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TL1963A-XX

更新时间： 2024-11-20 03:59:35

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
26页	806K
描述
1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR

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TL1963A-XX 数据手册

TL1963A-xx

www.ti.com ........................................................................................................................................................ SLVS719A–JUNE 2008–REVISED AUGUST 2008

1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR

FEATURES

•

Optimized for Fast Transient Response

•

Reverse-Battery Protection

No Reverse Current

Thermal Limiting

Output Current: 1.5 A

Dropout Voltage: 340 mV

Low Noise: 40 µV_RMS(10 Hz to 100 kHz)

1-mA Quiescent Current

APPLICATIONS

•

3.3-V to 2.5-V Logic Power Supplies

Post Regulator for Switching Supplies

No Protection Diodes Needed

Controlled Quiescent Current in Dropout

Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V,

and 3.3 V

KTT PACKAGE

(TOP VIEW)

•

Adjustable Output Voltage: 1.21 V to 20 V

SENSE/ADJ

OUT

Less Than 1-µA Quiescent Current in

Shutdown

GND

•

Stable with 10-µF Output Capacitor

SHDN

Stable with Ceramic Capacitors

DESCRIPTION/ORDERING INFORMATION

The TL1963A-xx is a low-dropout (LDO) regulator optimized for fast transient response. The device can supply

1.5 A of output current with a dropout voltage of 340 mV. Operating quiescent current is 1 mA, dropping to less

than 1 µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other

regulators. In addition to fast transient response, the TL1963A-xx regulators have very low output noise, which

makes them ideal for sensitive RF supply applications.

Output voltage range is from 1.21 V to 20 V. The TL1963A-xx regulators are stable with output capacitors as low

as 10 µF. Small ceramic capacitors can be used without the necessary addition of ESR, as is common with other

regulators. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting, and

reverse-current protection. The devices are available in fixed output voltages of 1.5 V, 1.8 V, 2.5 V, and 3.3 V,

and as an adjustable device with a 1.21-V reference voltage. The TL1963A-xx regulators are available in the

5-pin TO-263 (KTT) package.

ORDERING INFORMATION⁽¹⁾

V_OUT

T_A

PACKAGE⁽²⁾

ORDERABLE PART NUMBER

TOP-SIDE MARKING

TL1963A-15

(TYP)

1.5 V

1.8 V

2.5 V

3.3 V

ADJ

TL1963A-15KTTR

TL1963A-18KTTR

TL1963A-25KTTR

TL1963A-33KTTR

TL1963AKTTR

TL1963A-18

TL1963A-25

TL1963A-33

TL1963A

–40°C to 125°C

TO-263 (KTT)

Reel of 500

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

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.

PowerPAD, PowerFLEX are trademarks of Texas Instruments.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information 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.

12 3 4 5 6 7...26

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与TL1963A-XX相关器件

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TL1963A-XX_09	TI	获取价格	1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR
TL1963A-XX_10	TI	获取价格	1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR
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