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LP875484YFQR.A中文资料
LP875484YFQR.A数据手册规格书PDF详情
1 Features
1• Six High-Efficiency Step-Down DC/DC Converter
Cores:
– Max Output Current 10 A
– Cores Bundled to a 6-Phase Converter
– Load Current Reporting
– Programmable Overcurrent Protection (OCP)
– Auto PWM/PFM and Forced-PWM Operations
and Automatic Low Power-Mode Setting
– Automatic Phase Adding/Shedding
– Remote Differential Feedback Voltage Sensing
– Output Voltage Ramp Control
– VOUT Range = 0.6 V to 1.67 V
• I2C-Compatible Interface which Supports Standard
(100 kHz), Fast (400 kHz), and High-Speed (3.4
MHz) Modes
• Four Selectable I2C Addresses
• Interrupt Function with Programmable Masking
• Output Short-Circuit and Input Overvoltage
Protection (OVP)
• Spread Spectrum and Phase Control for EMI
Reduction
• Overtemperature Protection (OTP)
• Undervoltage Lock-out (UVLO)
2 Applications
• Smart Phones, eBooks and Tablets
• GSM, GPRS, EDGE, LTE, CDMA and WCDMA
Handsets
• Gaming Devices
3 Description
The LP8754 is designed to meet the power
management requirements of the latest applications
processors in mobile phones and similar portable
applications. The device contains six step-down
DC/DC converter cores, which are bundled together
in a 6-phase buck converter. The device is fully
controlled by a Dynamic Voltage Scaling (DVS) interface or an I2C-compatible serial interface.
The automatic PWM/PFM operation together with the automatic phase adding/shedding maximizes
efficiency over a wide output current range. The
LP8754 supports remote differential voltage sensing
to compensate IR drop between the regulator output
and the point-of-load thus improving the accuracy of
the output voltage.
The protection features include short-circuit
protection, current limits, input OVP, UVLO,
temperature warning, and shutdown functions.
Several error flags are provided for status information
of the IC. In addition, I2C read-back includes total
load current and load current for each buck core: The
LP8754 has the ability to sense current being delivered to the load without the addition of current
sense resistors. During start-up, the device controls
the output voltage slew rate to minimize overshoot
and the inrush current.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI |
23+ |
BGA |
8560 |
受权代理!全新原装现货特价热卖! |
|||
TI/德州仪器 |
23+ |
BGA |
3000 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
|||
TI/德州仪器 |
20+PB |
BGA |
160 |
20+PB |
|||
TI |
14+ |
BGA |
1335 |
原装 |
|||
TI |
24+ |
49-DSBGA(2.99x2.85) |
66800 |
原厂授权一级代理,专注汽车、医疗、工业、新能源! |
|||
TI |
20+ |
原装 |
65790 |
原装优势主营型号-可开原型号增税票 |
|||
Texas Instruments |
24+ |
49-DSBGA(2.99x2.85) |
65200 |
一级代理/放心采购 |
|||
TI |
25+ |
BGA-48 |
1001 |
就找我吧!--邀您体验愉快问购元件! |
|||
TEXAS INSTRUMENTS |
23+ |
NA |
9600 |
全新原装正品!一手货源价格优势! |
|||
TI |
22+ |
49DSBGA (2.99x2.85) |
9000 |
原厂渠道,现货配单 |
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