LP38501-ADJ

更新时间： 2024-11-15 11:38:55

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
16页	355K
描述
3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs

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LP38501-ADJ 数据手册

May 19, 2008

LP38501/3-ADJ, LP38501A/3A-ADJ

3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V

Inputs

General Description

Features

National's FlexCap LDO's feature unique compensation that

allows the use of any type of output capacitor with no limits

on minimum or maximum ESR. The LP38501/3 series of low-

dropout linear regulators operates from a +2.7V to +5.5V 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. Developed on a

CMOS process, (utilizing a PMOS pass transistor), the

LP38501/3 has low quiescent current that changes little with

load current.

FlexCap: Stable with ceramic, tantalum, or aluminum

■

capacitors

Stable with 10 µF input/output capacitor

■

Adjustable output voltage from 0.6V to 5V

Low ground pin current

25 nA quiescent current in shutdown mode

Guaranteed output current of 3A

Available in TO-263, TO-263 THIN packages

Guaranteed V_ADJaccuracy of ±1.5% @ 25°C (A Grade)

Ground Pin Current: Typically 2 mA at 3A load current.

Disable Mode: Typically 25 nA quiescent current when the

Enable pin is pulled low.

Guaranteed V_ADJaccuracy of ±3.5% @ 25°C (STD)

Over-Temperature and Over-Current protection

■

−40°C to +125°C operating T_Jrange

Simplified Compensation: Stable with any type of output

capacitor, regardless of ESR.

Enable pin (LP38501)

Precision Output: "A" grade versions available with 1.5%

V_ADJtolerance (25°C) and 3% over line, load and tempera-

ture.

Applications

ASIC Power Supplies In:

■

Printers, Graphics Cards, DVD Players

Set Top Boxes, Copiers, Routers

DSP and FPGA Power Supplies

■

SMPS Regulator

Conversion from 3.3V or 5V Rail

Typical Application Circuit

30028119

300281

www.national.com

12 3 4 5 6 7...16

中文翻译

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与LP38501-ADJ相关器件

型号	品牌	获取价格	描述	数据表
LP38501-ADJ_15	TI	获取价格	LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for 2.7-V to 5.5-V Inpu
LP38501ATJ-ADJ/NOPB	TI	获取价格	LP38501/3-ADJ, LP38501A/3A-ADJ 3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V In
LP38501TJ-ADJ/NOPB	TI	获取价格	LP38501/3-ADJ, LP38501A/3A-ADJ 3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V In
LP38501TS-ADJ	TI	获取价格	LP38501/3-ADJ, LP38501A/3A-ADJ 3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V In
LP38501TS-ADJ	NSC	获取价格	3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs
LP38501TS-ADJ/NOPB	TI	获取价格	LP38501/3-ADJ, LP38501A/3A-ADJ 3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V In
LP38501TSX-ADJ	NSC	获取价格	3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs
LP38501TSX-ADJ/NOPB	TI	获取价格	LP38501/3-ADJ, LP38501A/3A-ADJ 3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V In
LP38502-ADJ	TI	获取价格	具有使能功能的 1.5A、可调节超低压降稳压器
LP38502ASD-ADJ	NSC	获取价格	1.5A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs

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