Datasheet > LP3966_15

LP3966_15

更新时间： 2024-11-16 01:03:27

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德州仪器 - TI		/
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25页	2065K
描述
3A Fast Ultra Low Dropout Linear Regulators

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LP3966_15 数据手册

LP3963, LP3966

www.ti.com

SNVS067H –APRIL 2000–REVISED APRIL 2013

LP3963/LP3966 3A Fast Ultra Low Dropout Linear Regulators

Check for Samples: LP3963, LP3966

FEATURES

DESCRIPTION

The LP3963/LP3966 series of fast ultra low-dropout

linear regulators operate from a +2.5V to +7.0V input

supply. Wide range of preset output voltage options

are available. These ultra low dropout linear

regulators respond very quickly to step changes in

load which makes them suitable for low voltage

microprocessor applications. The LP3963/LP3966 are

developed on a CMOS process which allows low

quiescent current operation independent of output

load current. This CMOS process also allows the

LP3963/LP3966 to operate under extremely low

dropout conditions.

•

Ultra Low Dropout Voltage

Low Ground Pin Current

Load Regulation of 0.06%

15µA Quiescent Current in Shutdown Mode

Specified Output Current of 3A DC

Available in DDPAK/TO-263 and TO-220

Packages

•

Output Voltage Accuracy ± 1.5%

Error Flag Indicates Output Status (LP3963)

Sense Option Improves Load Regulation

(LP3966)

Dropout Voltage: Ultra low dropout voltage; typically

80mV at 300mA load current and 800mV at 3A load

current.

•

Minimum Output Capacitor Requirements

Overtemperature/Overcurrent Protection

−40°C to +125°C Junction Temperature Range

Ground Pin Current: Typically 6mA at 3A load

current.

Shutdown Mode: Typically 15µA quiescent current

when the shutdown pin is pulled low.

APPLICATIONS

•

Microprocessor Power Supplies

GTL, GTL+, BTL, and SSTL Bus Terminators

Power Supplies for DSPs

SCSI Terminator

Error Flag: Error flag goes low when the output

voltage drops 10% below nominal value (for LP3963).

SENSE: Sense pin improves regulation at remote

loads. (For LP3966)

Post Regulators

Precision Output Voltage: Multiple output voltage

options are available ranging from 1.2V to 5.0V and

adjustable (LP3966), with a specified accuracy of

±1.5% at room temperature, and ±3.0% over all

conditions (varying line, load, and temperature).

High Efficiency Linear Regulators

Battery Chargers

Other Battery Powered Applications

Typical Application Circuits

*SD and ERROR pins must be pulled high through a 10kΩ pull-up resistor. Connect the ERROR pin to ground if this

function is not used. See Application Hints for more information.

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...25

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与LP3966_15相关器件

型号	品牌	获取价格	描述	数据表
LP3966-1.8	NSC	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966-ADJ	NSC	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-1.8	NSC	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-1.8	TI	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-1.8/NOPB	NSC	获取价格	IC VREG 1.8 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PSSO5, PLASTIC, TO-263, 5 PIN,
LP3966ES-1.8/NOPB	TI	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-2.5	NSC	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-2.5	TI	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-2.5/NOPB	TI	获取价格	3A Fast Ultra Low Dropout Linear Regulators
LP3966ES-3.3	TI	获取价格	3A Fast Ultra Low Dropout Linear Regulators

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