Datasheet > FX026

FX026

更新时间： 2024-11-19 12:30:27

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
29页	2177K
描述
22-V Input, 10-A Integrated FET Converter With Ultra-Low Quiescent

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FX026 数据手册

TPS51362

www.ti.com

SLUSBB6A –FEBRUARY 2013–REVISED JUNE 2013

22-V Input, 10-A Integrated FET Converter

With Ultra-Low Quiescent ( ULQ™)

Check for Samples: TPS51362

FEATURES

APPLICATIONS

•

Input Voltage Range: 3 V to 22 V

•

Notebook Computers (VCCIO)

Memory Rails (DDR VDDQ)

Output Voltage Range: 0.6 V to 2 V

10-A Integrated FET Converter

Fewest External Components

DESCRIPTION

The TPS51362 is a high-voltage input, synchronous

converter with integrated FET, based on DCAP-2™

control topology, which enables fast transient

response and supports both POSCAP and all MLCC

output capacitors. TI proprietary FET technology

combined with TI leading-edge package technology

provides the highest density solution for single-output

power rail such as VCCIO and VDDQ for DDR

notebook memory, or any point-of-load (POL) in wide

application.

ULQ™-100 Mode of Operation to Enable Long

Battery Life During System Standby

•

Soft-Start Time Programmable by External

Capacitor

•

Switching Frequency: 800 kHz

D-CAP2™ Architecture to Enable POSCAP and

All MLCC Output Capacitor Usage

•

Integrated and Temperature Compensated

Low-Side On-Resistance Sensing for Accurate

OCL Protection

The key feature of the TPS51362 is its ULQ™ Mode

to enable low-bias current (100 µA in low power

mode, enabled by LP#). This feature is extremely

beneficial for long battery life in system standby

mode.

Powergood Output

OCL, OVP, UVP and UVLO Protections

•

Thermal Shutdown (non-latch)

Output Discharge Function

The feature set includes switching frequency of 800

kHz. Programmable soft-start time with an external

capacitor. auto skip, pre-bias startup, integrated

bootstrap switch, power good, enable and a full suite

of fault protection schemes, including OCL, UVP,

OVP, 5-V UVLO and thermal shutdown.

Integrated Boost MOSFET Switch

28-Pin, 3.5-mm × 4.5-mm, RVE, QFN Package

with 0.4-mm Pitch and 1-mm Height

It is packaged in 3.5 mm × 4.5 mm, 0.4-mm pitch, 28-

pin QFN (RVE), and specified from -10°C to 85°C.

SIMPLIFIED APPLICATION

VSNS

V_IN

GSNS

7.4 V

TRIP GND V5 VIN VIN VIN

PGND 14

20 V

GSNS VSNS SLEW

24 REFIN2

25 REFIN

26 VREF

27 NU

PGND 13

PGND 12

PGND 11

PGND 10

TPS51362

28 EN

PGOOD LP# MODE NC BST

SW SW SW SW

PGOOD

LP#

V_OUT

1.05 V

UDG 13052

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

ULQ, DCAP-2 are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...29

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FX026 替代型号

型号	品牌	替代类型	描述	数据表
TPS51362RVER	TI	完全替代	具有超低静态电流的 3V 至 22V、10A 同步降压转换器 \| RVE \| 28 \| -
TPS51362RVET	TI	完全替代	具有超低静态电流的 3V 至 22V、10A 同步降压转换器 \| RVE \| 28 \| -
TPS51363RVER	TI	类似代替	22-V Input, 8-A or 10-A Converter With Integrated FET

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