TLV717185PDQNT

更新时间： 2024-11-16 11:07:03

品牌	Logo	应用领域
德州仪器 - TI		稳压器
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23页	837K
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具有主动输出放电和使能功能的 150mA、低 IQ、低压降稳压器 \| DQN \| 4 \| -40 to 85

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TLV717185PDQNT 数据手册

TLV717xx

TLV717xxP

www.ti.com

SBVS176A –OCTOBER 2011–REVISED APRIL 2012

150-mA, Low-Dropout Regulator with Foldback Current Limit for Portable Devices

Check for Samples: TLV717xx, TLV717xxP

FEATURES

DESCRIPTION

The TLV717xx series of low-dropout (LDO) linear

regulators are low quiescent current LDOs with

excellent line and load transient performance and are

designed for power-sensitive applications. These

devices provide a typical accuracy of 0.5%.

•

Very Low Dropout: 215 mV at 150 mA

Accuracy: 0.5% (typical)

Low I_Q: 35 µA

•

Available in Fixed-Output Voltages:

1.2 V to 5.0 V⁽¹⁾

The TLV717xx series offer current foldback that

throttles down the output current with a decrease in

load resistance. The typical value at which current

foldback initiates is 350 mA; the typical value of the

output short current limit value is 40 mA.

•

High PSRR:

–

70 dB at 1 kHz

50 dB at 1 MHz

•

Stable with Effective Output Capacitance:

0.1 µF⁽²⁾

Furthermore, these devices are stable with an

effective output capacitance of only 0.1 µF. This

feature enables the use of cost-effective capacitors

that have higher bias voltages and temperature

derating. The devices regulate to specified accuracy

with no output load.

Foldback Current Limit

•

(1)

Package: 1-mm × 1-mm DQN

See the Package Option Addendum at the end of this

document for a complete list of available voltage options.

(2)

The TLV717xx series is available in a 1-mm × 1-mm

DQN package that makes them ideal for hand-held

applications. The TLV717xxP provides an active pull-

down circuit to quickly discharge output loads.

See the Input and Output Capacitor Requirements section in

the Application Information for more details.

APPLICATIONS

•

Wireless Handsets, Smart Phones, PDAs

MP3 Players

Typical Application Circuit

V_IN

V_OUT

OUT

Other Hand-Held Products

1 mF

C_IN

C_OUT

Ceramic

TLV717xx

TLV717xx Series

1-mm x 1-mm DQN

(Bottom View)

Off

GND

OUT

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.

All trademarks are the property of their respective owners.

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...23

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TLV717185PDQNT 替代型号

型号	品牌	替代类型	描述	数据表
TLV717185PDQNR	TI	类似代替	具有主动输出放电和使能功能的 150mA、低 IQ、低压降稳压器 \| DQN \| 4 \|

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