TPS71202DRCR

更新时间： 2024-09-13 13:14:51

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德州仪器 - TI		稳压器
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TPS71202DRCR 数据手册

TPS71202, TPS71219

TPS71229, TPS71247

A ct ual S i ze

(3 m m x 3 m m )

TPS71256, TPS71257

www.ti.com

SBVS049B–MAY 2004–REVISED MARCH 2005

Dual 250 mA Output, UltraLow Noise, High PSRR,

Low-Dropout Linear Regulator

FEATURES

DESCRIPTION

•

Dual 250 mA High-Performance RF LDOs

The TPS712xx family of low-dropout (LDO) voltage

regulators is tailored to noise-sensitive and RF appli-

cations. These products feature dual 250 mA LDOs

with ultralow noise, high power-supply rejection ratio

(PSRR), and fast transient and start-up response.

Each regulator output is stable with low-cost 2.2 µF

ceramic output capacitors and features very low

dropout voltages (125 mV typical at 250 mA). Each

regulator achieves fast start-up times (approximately

60 µs with a 0.001 µF bypass capacitor) while

consuming very low quiescent current (300 µA typical

with both outputs enabled). When the device is

placed in standby mode, the supply current is re-

duced to less than 0.3 µA typical. Each regulator

exhibits approximately 32 µVrms of output voltage

noise with V_OUT= 2.8 V and a 0.01 µF noise

reduction (NR) capacitor. Applications with analog

components that are noise-sensitive, such as port-

able RF electronics, will benefit from high PSRR, low

noise, and fast line and load transient features. The

TPS712 family is offered in a thin 3mm x 3mm SON

package and is fully specified from -40°C to +125°C

(T_J).

•

Available in Fixed and Adjustable

Voltage Options (1.2 V to 5.5 V)

•

High PSRR: 65 dB at 10 kHz

UltraLow Noise: 32 µVrms

Fast Start-Up Time: 60 µs

Stable with 2.2 µF Ceramic Capacitor

Excellent Load/Line Transient Response

Very Low Dropout Voltage: 125 mV at 250 mA

Independent Enable Pins

Thermal Shutdown and Independent Current

Limit

•

Available in Thermally-Enhanced SON

Package: 3mm x 3mm x 1mm

APPLICATIONS

•

Cellular and Cordless Phones

Wireless PDA/Handheld Products

PCMCIA/Wireless LAN Applications

Digital Camera/Camcorder/Internet Audio

DSP/FPGA/ASIC/Controllers and Processors

PSRR (RIPPLE REJECTION) vs FREQUENCY

I_OUT= 250 mA

DRC PACKAGE

3mm x 3mm SON

(TOP VIEW)

10 EN1

I_OUT= 1 mA

FB1/NC

OUT1

OUT2

GND

EN2

FB2/NC

V_OUT= 2.8 V

C_OUT= 2.2

C_NR= 0.01

100

10k

100k

10M

Frequency (Hz)

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...15

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TPS71202DRCR 替代型号

型号	品牌	替代类型	描述	数据表
TPS71202DRCTG4	TI	类似代替	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
TPS71202DRCT	TI	类似代替	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
TPS71202DRCRG4	TI	类似代替	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator

与TPS71202DRCR相关器件

型号	品牌	获取价格	描述	数据表
TPS71202DRCRG4	TI	获取价格	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
TPS71202DRCT	TI	获取价格	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
TPS71202DRCTG4	TI	获取价格	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
TPS71202-EP	TI	获取价格	DUAL, 250-mA OUTPUT, ULTRA-LOW NOISE, HIGH PSRR, LOW-DROPOUT LINEAR REGULATOR
TPS71202MDRCTEP	TI	获取价格	DUAL, 250-mA OUTPUT, ULTRA-LOW NOISE, HIGH PSRR, LOW-DROPOUT LINEAR REGULATOR
TPS71219	TI	获取价格	SYNCHRONOUS SEPIC / FLYBACK CONVERTER WITH 1.1A SWITCH AND INTEGRATED LDO
TPS71219DRC	TI	获取价格	DUAL OUTPUT, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PDSO10, 3 X 3 MM, PLASTIC, SON-10
TPS71219DRCR	TI	获取价格	250-mA, dual-channel low-dropout voltage regulator with enable 10-VSON -40 to 125
TPS71219DRCRG4	TI	获取价格	Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
TPS71219DRCT	TI	获取价格	250-mA, dual-channel low-dropout voltage regulator with enable 10-VSON -40 to 125

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