TPS40200

更新时间： 2024-11-24 07:04:47

品牌	Logo	应用领域
德州仪器 - TI		输入元件控制器
页数	文件大小	规格书
46页	1374K
描述
WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER

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TPS40200 数据手册

TPS40200

www.ti.com ........................................................................................................................................ SLUS659D–FEBRUARY 2006–REVISED NOVEMBER 2008

WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER

FEATURES

DESCRIPTION

•

Input Voltage Range 4.5 to 52 V

Output Voltage (700 mV to 90% V_IN)

200 mA Internal P-Channel FET Driver

Voltage Feed-Forward Compensation

Undervoltage Lockout

The TPS40200 is

flexible non-synchronous

controller with a built in 200-mA driver for P-channel

FETs. The circuit operates with inputs up to 52 V with

a power-saving feature that turns off driver current

once the external FET has been fully turned on. This

feature extends the flexibility of the device, allowing it

to operate with an input voltage up to 52 V without

dissipating excessive power. The circuit operates with

voltage-mode feedback and has feed-forward

input-voltage compensation that responds instantly to

input voltage change. The integral 700-mV reference

is trimmed to 2%, providing the means to accurately

control low voltages. The TPS40200 is available in

and 8-pin SOIC and an 8-pin QFN package and

supports many of the features of more complex

Programmable Fixed Frequency (35–500 kHz)

Operation

•

Programmable Short Circuit Protection

Hiccup Overcurrent Fault Recovery

Programmable Closed Loop Soft Start

700 mV 1% Reference Voltage

External Synchronization

Small 8-Pin SOIC (D) and QFN (DRB) Packages

controllers.

Clock

frequency,

soft-start,

and

overcurrent limit are each easily programmed by a

single, external component. The part has

undervoltage lockout, and can be easily synchronized

to other controllers or a system clock to satisfy

sequencing and/or noise-reduction requirements.

APPLICATIONS

•

Industrial Control

Distributed Power Systems

DSL/Cable Modems

Scanners

Major sections in this data sheet include:

Telecom

•

Specifications

General Information

Example Applications

Design References

TYPICAL APPLICATION

V_IN

100

V_IN= 8 V

V_IN= 12 V

V_IN= 16 V

TPS40200

VDD

R_SENSE

ISNS

COMP GDRV

Q1 L1

V_OUT

GND

V_OUT= 5 V

0.5

1.5

2.5

Load Current - A

Figure 1. 12 V to 5 V Buck Converter with 94% Efficiency

Figure 2. Typical Efficiency of Application Circuit 1

(described in Application 1)

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.

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...46

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TPS40200 替代型号

型号	品牌	替代类型	描述	数据表
TPS5420	TI	功能相似	2-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
TPS40200-EP	TI	功能相似	WIDE-INPUT-RANGE NONSYNCHRONOUS VOLTAGE-MODE CONTROLLER
TL5001	TI	功能相似	PULSE-WIDTH-MODULATION CONTROL CIRCUITS

与TPS40200相关器件

型号	品牌	获取价格	描述	数据表
TPS40200_08	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200_081	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200D	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200DG4	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200DR	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200DRBR	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200DRBT	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200DRG4	TI	获取价格	WIDE INPUT RANGE NON-SYNCHRONOUS VOLTAGE MODE CONTROLLER
TPS40200-EP	TI	获取价格	WIDE-INPUT-RANGE NONSYNCHRONOUS VOLTAGE-MODE CONTROLLER
TPS40200-EP_08	TI	获取价格	WIDE-INPUT-RANGE NONSYNCHRONOUS VOLTAGE-MODE CONTROLLER

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