Datasheet > UP9511SQGJ

UP9511SQGJ

更新时间： 2024-09-24 01:15:51

品牌	Logo	应用领域
力智 - UPI		/
页数	文件大小	规格书
19页	371K
描述
Phase Synchronous-Rectified Buck Controller

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UP9511SQGJ 数据手册

uP9511S

8/7/6/5/4/3/2/1-Phase Synchronous-Rectified Buck Controller

for Next Generation GPU Core Power

Features

General Description

The uP9511S is an 8/7/6/5/4/3/2/1-phase PWM controller Support NVIDIA’s Open VReg Type 4+ PWMVID

specifically designed to provide high-precision output

voltage system for next generation GPUs. The uP9511S

provides programmable output voltage and active voltage

positioning functions to adjust the output voltage as a

function of the load current, so it is optimally positioned

for a load current transient.

Technology

Selectable 8/7/6/5/4/3/2/1-Phase Operation by

Hardware Setting

Differential Remote Voltage Sensing

Continuous InductorDCR Current Sensing Voltage

Adjustment

The uP9511S supportsNVIDIAOpen Voltage Regulator 4+

with PWMVIDfeature. The PWMVIDinput is buffered and

filtered to generate accurate reference voltage and the output

voltage is precisely regulated to the reference input.

Switching Frequency Adjustment

Operating Phase Number Adjustment

Adjustable Current Balancing by R_DS(ON)Current

Sensing

The uP9511S adopts continuous totalDCR current sensing

for load line programming. The uP9511S provides hardware

setting to adjust the operating phase number in different

load current state. The uP9511S uses MOSFET R_DS(ON)

current sensing for channel current balance.

Adjustable Soft-Start

Channel Current Limit Protection

Over/Under Voltage Protection

Over Temperature Protection

RoHS Compliant and Halogen Free

Other features include adjustable soft-start, channel current

limit, under voltage protection, over voltage protection and

power good output. The uP9511S is available in VQFN5x5-

40L package.

Applications

Middle-High End GPU Core Power Supplies

Ordering Information

Pin Configuration

Order Number

uP9511SQGJ

Package

Top Marking

uP9511S

VQFN5x5 - 40L

Note:

(1) Please check the sample/production availability with

uPI representatives.

(2) uPI products are compatible with the current IPC/

JEDEC J-STD-020 requirements. They are halogen-free,

RoHS compliant and 100% matte tin (Sn) plating that are

suitable for use in SnPb or Pb-free soldering processes.

FBRTN

PROG3

PROG4

LPC

ISEN1

ISEN2

ISEN3

ISEN4

ISEN5

ISEN6

ISEN7

ISEN8

5VCC

PWM1

GND

PSI

PGOOD

VID

REFADJ

uP9511S-DS-F0000, Jan. 2018

www.upi-semi.com

12 3 4 5 6 7...19

中文翻译

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