TPS51103DRCR

更新时间： 2024-11-01 13:00:55

品牌	Logo	应用领域
德州仪器 - TI		电脑计算机
页数	文件大小	规格书
17页	672K
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TPS51103DRCR 数据手册

TPS51103

www.ti.com ...................................................................................................................................................................................................... SLUS808–JUNE 2008

INTEGRATED LDO WITH SWITCHOVER CIRCUIT FOR NOTEBOOK COMPUTERS

FEATURES

DESCRIPTION

•

Wide Input Voltage Range: 4.5 V to 28 V

5-V/3.3-V, 100-mA, LDO Output

The TPS51103 integrates three LDOs. The 5-V and

3.3-V LDOs are both rated at 100 mA and also

include a glitch-free switch-over feature allowing for

optimized battery life. An additional 3.3-V LDO is

designed to provide an always on power output for

the real time clock (RTC). The TPS51103 integrates

a clock output to use with an external charge pump.

The TPS51103 offers an innovative solution for

optimizing the complex and multiple power rails

Glitch Free Switch Over Circuit

Always-On 3.3-V, 5-mA LDO Output for RTC

250 kHz Clock Output for Charge Pump

Thermal Shutdown (Non-latch)

10Ld QFN (DRC) Package

APPLICATIONS

•

typically found in

TPS51103 is available in the 10-pin QFN package

and is specified from –40°C to 85°C.

a Notebook Computer. The

Notebook Computers

Mobile Digital Consumer Products

TYPICAL APPLICATION CIRCUIT

AC2

V15

1 mF

AC1

5V_IN

0.1 mF

0.1 mF 0.1 mF 0.1 mF

TPS51103DRC

VCLK

GND

VRTC3

EN5

V5IN 10

5V_IN

VREG5

5 V/100 mA

(4.5 V to 28 V

3.3 V/5 mA

EN5

VIN

VREG3

V3IN

3.3 V/100 mA

EN3

3.3V_IN

EN3

10 mF

1 mF

10 mF

UDG-08017

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...17

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TPS51103DRCR 替代型号

型号	品牌	替代类型	描述	数据表
TPS51103DRCTG4	TI	类似代替	DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO10, GREEN, PLASTIC, QFN-10
TPS51103DRCRG4	TI	类似代替	Integrated LDO with Switchover Circuit for Notebook Computers 10-SON -40 to 85
TPS51103DRCT	TI	类似代替	Integrated LDO with Switchover Circuit for Notebook Computers 10-VSON -40 to 85

与TPS51103DRCR相关器件

型号	品牌	获取价格	描述	数据表
TPS51103DRCRG4	TI	获取价格	Integrated LDO with Switchover Circuit for Notebook Computers 10-SON -40 to 85
TPS51103DRCT	TI	获取价格	Integrated LDO with Switchover Circuit for Notebook Computers 10-VSON -40 to 85
TPS51103DRCTG4	TI	获取价格	DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO10, GREEN, PLASTIC, QFN-10
TPS5110PW	TI	获取价格	Synchronous Buck PWM Controller with NMOS LDO Controller 24-TSSOP -40 to 85
TPS5110PWR	TI	获取价格	Synchronous Buck PWM Controller with NMOS LDO Controller 24-TSSOP -40 to 85
TPS5110PWRG4	TI	获取价格	1.5A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO24, GREEN, PLASTIC, TSSOP-24
TPS51113	TI	获取价格	SYNCHRONOUS BUCK CONTROLLER WITH HIGH-CURRENT GATE DRIVER
TPS51113DRCR	TI	获取价格	SYNCHRONOUS BUCK CONTROLLER WITH HIGH-CURRENT GATE DRIVER
TPS51113DRCT	TI	获取价格	SYNCHRONOUS BUCK CONTROLLER WITH HIGH-CURRENT GATE DRIVER
TPS51116	TI	获取价格	COMPLETE DDR AND DDR2 MEMORY POWER SOLUTION SYNCHRONOUS BUCK CONTROLLER, 3-A LDO, BUFFERED

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