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L5991AD中文资料
L5991AD数据手册规格书PDF详情
DESCRIPTION
This primary controller I.C., developed in BCD60II technology, has been designed to implement off line or DC-DC power supply applications using a fixed frequency current mode control.
Based on a standard current mode PWM control ler this device includes some features such as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 100ns leading edge blanking on current sense, pulse by pulse current limit, over current protection with soft start intervention, and Standby function for oscillator frequency reduction when the converter is lightly loaded.
■ CURRENT-MODE CONTROL PWM
■ SWITCHING FREQUENCY UP TO 1MHz
■ LOW START-UP CURRENT (< 120µA)
■ HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A)
■ FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION
■ PROGRAMMABLE DUTY CYCLE
■ 100 AND 50 MAXIMUM DUTY CYCLE LIMIT
■ STANDBY FUNCTION
■ PROGRAMMABLE SOFT START
■ PRIMARY OVERCURRENT FAULT DETECTION WITH RE-START DELAY
■ PWM UVLO WITH HYSTERESIS
■ IN/OUT SYNCHRONIZATION
■ LATCHED DISABLE
■ INTERNAL 100ns LEADING EDGE BLANKING OF CURRENT SENSE
■ PACKAGE: DIP16 AND SO16
L5991AD产品属性
- 类型
描述
- 型号
L5991AD
- 功能描述
开关变换器、稳压器与控制器 Prog Current Mode
- RoHS
否
- 制造商
Texas Instruments
- 输出电压
1.2 V to 10 V
- 输出电流
300 mA
- 输入电压
3 V to 17 V
- 开关频率
1 MHz
- 安装风格
SMD/SMT
- 封装/箱体
WSON-8
- 封装
Reel
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
STMicroelectronics |
24+ |
16-SO |
66800 |
原厂授权一级代理,专注汽车、医疗、工业、新能源! |
|||
STMICROELECTRONICS |
22+ |
N/A |
12245 |
现货,原厂原装假一罚十! |
|||
STMICROELECTRONICS |
24+ |
con |
10000 |
查现货到京北通宇商城 |
|||
STMICROELECTRONICS |
24+ |
con |
2500 |
优势库存,原装正品 |
|||
ST/意法 |
25+ |
16-SO |
32360 |
ST/意法全新特价L5991AD13TR即刻询购立享优惠#长期有货 |
|||
STM |
15+ |
原厂原装 |
1800 |
进口原装现货假一赔十 |
|||
ST |
16+/17+ |
SOP |
3500 |
原装正品现货供应56 |
|||
ST |
22+ |
16-SOIC |
2100 |
||||
ST/意法 |
2021+ |
SOP |
9000 |
原装现货,随时欢迎询价 |
|||
ST(意法半导体) |
24+ |
SOP-16 |
942 |
特价优势库存质量保证稳定供货 |
L5991AD13TR 价格
参考价格:¥6.7420
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