Datasheet > TL1963A-Q1

TL1963A-Q1

更新时间： 2024-11-25 11:11:51

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
29页	1631K
描述
具有反向电流保护功能的汽车类 1.5A、20V、可调节低压降稳压器

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TL1963A-Q1

SLVSA79A –APRIL 2010–REVISED SEPTEMBER 2016

TL1963A-Q1 1.5-A Low-Noise Fast-Transient-Response Low-Dropout Regulator

1 Features

3 Description

The TL1963A-Q1 device 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-Q1 regulators have very low output noise,

which makes them ideal for sensitive RF supply

applications.

•

Qualified for Automotive Applications

•

AEC-Q100 Test Guidance With the Following:

–

Device Temperature Grade 1: –40°C to 125°C

Ambient Operating Temperature

–

Device HBM ESD Classification Level 2

Device CDM ESD Classification Level C6

•

Optimized for Fast Transient Response

Output Current: 1.5 A

Dropout Voltage: 340 mV

Output voltage range is from 1.21 V to 20 V. The

TL1963A-Q1 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

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

1-mA Quiescent Current

No Protection Diodes Required

Controlled Quiescent Current in Dropout

protection

circuitry

includes

reverse-battery

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

and 3.3 V

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-Q1 regulators are

available in the 5-pin TO-263 (KTT) package.

•

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

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

No Reverse Current

TL1963A-Q1

TO-263 (5)

10.16 mm × 8.42 mm

Thermal Limiting

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

2 Applications

•

3.3-V to 2.5-V Logic Power Supplies

Post Regulator for Switching Supplies

Simplified Schematic

OUT

2.5 V at 1 A

10 µF

V_IN= 5 V

4.22 kΩ

TL1963A-Q1

SHDN

GND

ADJ

4.0 kΩ

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...29

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