UC3845价格

参考价格:¥0.7900

型号:UC3845 品牌:ST 备注:这里有UC3845多少钱,2025年最近7天走势,今日出价,今日竞价,UC3845批发/采购报价,UC3845行情走势销售排行榜,UC3845报价。
型号 功能描述 生产厂家&企业 LOGO 操作
UC3845

CURRENTMODE PWM CONTROLLER

DESCRIPTION TheUC3842/3/4/5family of controlICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes witha minimal external parts count. ■ OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS ■ LOW START-UP CURRENT (

STMICROELECTRONICS

意法半导体

UC3845

SMPS Controller

Description The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a tempe

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

UC3845

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

DESCRIPTION The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle ranges and under-volt

UTC

友顺

UC3845

Low Start-Up and Operating Current

Description The 3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF−Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperat

UMWGuangdong Youtai Semiconductor Co., Ltd.

友台半导体广东友台半导体有限公司

UC3845

Low Start-Up and Operating Current

Description The 3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF−Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperat

UMWGuangdong Youtai Semiconductor Co., Ltd.

友台半导体广东友台半导体有限公司

UC3845

CURRENT MODE PWM CONTROLLER

文件:708.83 Kbytes Page:28 Pages

TI

德州仪器

UC3845

SMPS Controller

文件:133.07 Kbytes Page:12 Pages

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

UC3845

CURRENT MODE PWM CONTROLLER

文件:720.15 Kbytes Page:24 Pages

TI

德州仪器

UC3845

CURRENT MODE PWM CONTROLLER

文件:693.83 Kbytes Page:28 Pages

TI

德州仪器

UC3845

Current-Mode PWM Controllers

文件:3.54454 Mbytes Page:56 Pages

TI1

德州仪器

UC3845

Current Mode PWM Controller

文件:937.89 Kbytes Page:3 Pages

TI

德州仪器

UC3845

Current Mode PWM Controller

文件:433.97 Kbytes Page:8 Pages

TI

德州仪器

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin

Microsemi

美高森美

High Performance Current Mode Controller

Coming Soon. If you have some information on related parts, please share useful information by adding links below.

FCI

戈采

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage

STMICROELECTRONICS

意法半导体

Current Mode PWM Controller Low Start-Up and Operating Current

DESCRIPTION The UC3842A-BW/43A-BW/44A-BW/45A-BW are fixed frequency current mode PWM controller. They are specially designed for OFF−Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle con

FCI

戈采

CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin

Microsemi

美高森美

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

1 FEATURES ■ TRIMMED OSCILLATOR DISCHARGE CURRENT ■ CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION ■ LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING ■ INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT ■ HIGH CURRENT TOTEM POLE OUTPUT UNDERVOLTAGE LOCKOUT WITH

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin

Microsemi

美高森美

CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin

Microsemi

美高森美

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

1 FEATURES ■ TRIMMED OSCILLATOR DISCHARGE CURRENT ■ CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION ■ LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING ■ INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT ■ HIGH CURRENT TOTEM POLE OUTPUT UNDERVOLTAGE LOCKOUT WITH

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage

STMICROELECTRONICS

意法半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

High Performance Current Mode Controllers The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These

ONSEMI

安森美半导体

Low Start-Up and Operating Current

Description The 3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF−Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperat

UMWGuangdong Youtai Semiconductor Co., Ltd.

友台半导体广东友台半导体有限公司

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

STMICROELECTRONICS

意法半导体

High Performance Current Mode Controllers

High Performance Current Mode Controllers The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

High Performance Current Mode Controllers The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

High Performance Current Mode Controllers

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

ONSEMI

安森美半导体

UC3845产品属性

  • 类型

    描述

  • 型号

    UC3845

  • 制造商

    STMicroelectronics

  • 功能描述

    3845

更新时间:2025-8-14 19:12:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ST/意法
25+
SOP-8
32000
ST/意法全新特价UC3845BD1013TR即刻询购立享优惠#长期有货
ST/意法
24+
PDIP-8
860000
明嘉莱只做原装正品现货
ON
24+/25+
DIP-8
5000
100%原装正品真实库存,支持实单
TI
11
PDIP-8
2275
ON
24+
ZIP64
20000
全新原厂原装,进口正品现货,正规渠道可含税!!
三年内
1983
只做原装正品
TI(德州仪器)
2024+
SOIC-14
500000
诚信服务,绝对原装原盘
ON
24+
SOIC-14
25000
ON全系列可订货
ST
1926+
SOP8
6852
只做原装正品现货!或订货假一赔十!
STM
23+
DIP-8
50000
原装正品 支持实单

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    UC1842A/3A/4A/5A家庭控制IC引脚兼容的引脚改良版的UC3842/3/4/5家庭。提供必要的功能,以控制电流模式开关模式电源用品,这个家庭有以下改进的功能。启动电流保证比0.5毫安。振荡器放电修剪到8.3毫安。在欠压锁定,输出阶段可以下沉低于1.2V超过5V的VCC至少10mA的。这个家庭的成员之间的差异,表中所示下面。 特点 •优化的离线和直流直流转换器 •低启动电流( •修整振荡器放电电流 •自动进馈补偿 •脉冲

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