Datasheet > LP3875-ADJ

LP3875-ADJ

更新时间： 2024-11-15 02:58:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
20页	1669K
描述
1.5A Fast Ultra Low Dropout Linear Regulators

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LP3875-ADJ 数据手册

LP3875-ADJ

www.ti.com

SNVS247D –SEPTEMBER 2003–REVISED APRIL 2013

LP3875-ADJ 1.5A Fast Ultra Low Dropout Linear Regulators

Check for Samples: LP3875-ADJ

FEATURES

DESCRIPTION

The LP3875-ADJ fast ultra low-dropout linear

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

supply. These ultra low dropout linear regulators

respond very quickly to step changes in load, which

makes them suitable for low voltage microprocessor

applications. The LP3875-ADJ is developed on a

CMOS process which allows low quiescent current

operation independent of output load current. This

CMOS process also allows the LP3875-ADJ to

operate under extremely low dropout conditions.

•

Ultra Low Dropout Voltage

Low Ground Pin Current

Load Regulation of 0.06%

10nA Quiescent Current in Shutdown Mode

Specified Output Current of 1.5A DC

Available in DDPAK/TO-263, TO-220 and SOT-

223 Packages

•

Minimum Output Capacitor Requirements

Overtemperature/Overcurrent Protection

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

Dropout Voltage: Ultra low dropout voltage; typically

38mV at 150mA load current and 380mV at 1.5A load

current.

APPLICATIONS

Ground Pin Current: Typically 6mA at 1.5A load

current.

•

Microprocessor Power Supplies

GTL, GTL+, BTL, and SSTL Bus Terminators

Power Supplies for DSPs

SCSI Terminator

Shutdown Mode: Typically 10nA quiescent current

when the shutdown pin is pulled low.

Adjustable Output Voltage: The output voltage may

be programmed via two external resistors.

Post Regulators

High Efficiency Linear Regulators

Battery Chargers

Other Battery Powered Applications

TYPICAL APPLICATION CIRCUIT

OUTPUT

1.5A

V_IN

V_OUT

INPUT

C_FF

R1*

R2*

LP3875-ADJ

ADJ

C_OUT

GND

10 mF

Tantalum

C_IN

10 mF

)

V_OUT= 1.216 x (1+

*See Application Hints

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...20

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LP3875-ADJ 替代型号

型号	品牌	替代类型	描述	数据表
LP3875	TI	功能相似	具有使能功能的 1.5A、7V、低压降稳压器
LP38858	TI	功能相似	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38855	TI	功能相似	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Enable

与LP3875-ADJ相关器件

型号	品牌	获取价格	描述	数据表
LP3875-ADJ_15	TI	获取价格	1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-1.8	NSC	获取价格	1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-1.8/NOPB	TI	获取价格	LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-18	TI	获取价格	LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-2.5	NSC	获取价格	1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-2.5/NOPB	TI	获取价格	LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-3.3	NSC	获取价格	1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-3.3/NOPB	TI	获取价格	LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-5.0	TI	获取价格	LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators
LP3875EMP-5.0	NSC	获取价格	1.5A Fast Ultra Low Dropout Linear Regulators

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