Datasheet > TL1963A-XX_10

TL1963A-XX_10

更新时间： 2024-11-20 11:56:43

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
28页	833K
描述
1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR

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TL1963A-XX_10 数据手册

TL1963A-xx

www.ti.com........................................................................................................................................................ SLVS719E –JUNE 2008–REVISED AUGUST 2009

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

FEATURES

DCQ PACKAGE

(TOP VIEW)

•

Optimized for Fast Transient Response

Output Current: 1.5 A

SENSE/ADJ

OUT

Dropout Voltage: 340 mV

GND

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

1-mA Quiescent Current

SHDN

No Protection Diodes Needed

Controlled Quiescent Current in Dropout

DCY PACKAGE

(TOP VIEW)

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

and 3.3 V

OUT

GND

•

Adjustable Output Voltage: 1.21 V to 20 V

Less Than 1-μA Quiescent Current in

Shutdown

•

Stable with 10-μF Output Capacitor

Stable with Ceramic Capacitors

Reverse-Battery Protection

No Reverse Current

KTT PACKAGE

(TOP VIEW)

SENSE/ADJ

OUT

GND

Thermal Limiting

SHDN

APPLICATIONS

•

3.3-V to 2.5-V Logic Power Supplies

•

Post Regulator for Switching Supplies

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), 6-pin TO-223 (DCQ), and 3-pin SOT-223 (DCY) packages.

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.

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...28

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