TPS5510

更新时间： 2024-11-20 22:49:39

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
6页	93K
描述
3-CHANNEL POWER SUPPLY SUPERVISOR

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TPS5510 数据手册

TPS5510

3-CHANNEL POWER SUPPLY SUPERVISOR

SLVS168 – JULY 1998

D OR P PACKAGE

(TOP VIEW)

Over Voltage Protection and Lock Out for

5 V, 3.3 V, and 12 V

Under Voltage Protection and Lock Out for

5 V and 3.3 V

PGI

GND

PGO

Fault Protection Output with Open Drain

Output Stage

FPO

VS5

PSON

VS33

Open Drain Power Good Output Signal for

Power Good Input, 5 V and 3.3 V

300 ms Power Good Delay

75 ms Delay for 5-V and 3.3-V Short-Circuit

Turn On Protection

38 ms PSON Control Debounce

73 µs Width Noise Deglitches

Wide Power Supply Voltage Range

from 4 V to 15 V

description

The TPS5510 is designed to minimize external components of personal computer switching power supply

systems. Itprovidesprotectioncircuits, powergoodindicator, faultprotectionoutput(FPO), andaPSONcontrol.

OVP (Over Voltage Protection) monitors 5 V, 3.3 V, and 12 V (12 V OV detects via V

terminal). UVP (Under

Voltage Protection) monitors 5 V and 3.3 V. When an OV or UV condition is detected, the PGO (power good

output) is asserted low and FPO is latched high. PSON from low to high resets the protection latch. UVP function

will be enabled 75 ms after PSON is set low and debounced.

Power good feature monitors PGI, 5 V and 3.3 V and issues a power good signal when they are ready.

The TPS5510 is characterised for operation from T = –40°C to 125°C junction temperature.

PGI

5 V

PGO

12 V

TPS5510

PGO

0.5 V

Drop

PGI

GND

FPO

VS5

5 V

PSON

VS33

3.3 V

Figure 1. TPS5510 Typical Application

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 Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6

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