Datasheet > LP38503-ADJ_15

LP38503-ADJ_15

更新时间： 2024-11-15 01:20:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
27页	1388K
描述
LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for 2.7-V to 5.5-V Inputs

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LP38501-ADJ, LP38503-ADJ

SNVS522I –AUGUST 2007–REVISED AUGUST 2015

LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for

2.7-V to 5.5-V Inputs

1 Features

3 Description

TI's FlexCap low-dropout (LDO) linear regulators

feature unique compensation that allow use of any

type of output capacitor with no limits on minimum or

maximum equivalent series resistance (ESR). The

LP38501 and LP38503 series of LDOs operate from

a 2.7-V to 5.5-V input supply. These ultra-low-dropout

linear regulators respond very quickly to step

changes in load, making them suitable for low-voltage

microprocessor applications. Developed on a CMOS

•

Input Voltage: 2.7 V to 5.5 V

•

Adjustable Output Voltage: 0.6 V to 5 V

FlexCap: Stable with Ceramic, Tantalum, or

Aluminum Capacitors

•

Stable With 10-µF Input and Output Capacitors

Low Ground-Pin Current

25-nA Quiescent Current in Shutdown Mode

Ensured Output Current of 3 A

process (utilizing

LP38501-ADJ and LP38503-ADJ have low quiescent

currents that change little with load current.

a PMOS pass transistor) the

Ensured V_ADJAccuracy of ±1.5% at 25°C (A

Grade)

•

GND Pin Current: Typically 2 mA at 3-A load

current.

Disable Mode: Typically 25-nA quiescent current

when the EN pin is pulled low.

Simplified Compensation: Stable with any type of

output capacitor, regardless of ESR.

Precision Output: A grade versions available with

1.5% V_ADJtolerance (25°C) and 3% over line,

load, and temperature.

•

Ensured Accuracy of ±3.5% at 25°C (STD)

Overtemperature and Overcurrent Protection

ENABLE (EN) Pin (LP38501 only)

–40°C to +125°C Operating Temperature Range

2 Applications

•

ASIC Power Supplies In:

–

Printers, Graphics Cards, DVD Players

Set Top Boxes, Copiers, Routers

Device Information⁽¹⁾

PART NUMBER

PACKAGE

DDPAK/TO-263 (5) 10.16 mm x 8.42 mm

TO-263 (5) 10.16 mm x 9.85 mm

BODY SIZE (NOM)

•

DSP and FPGA Power Supplies

SMPS Regulator

LP38501

LP38503

Conversion from 3.3-V or 5-V Rail

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

the end of the data sheet.

Typical Application Circuits

*Minimum capacitance required (see Application and Implementation).

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...27

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与LP38503-ADJ_15相关器件

型号	品牌	获取价格	描述	数据表
LP38503ATJ-ADJ	NSC	获取价格	IC VREG 0.6 V-5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.665 V DROPOUT, PSSO5, TO-263, 5 PIN
LP38503ATJ-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
LP38503TJ-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
LP38503TJ-ADJ/NOPB	NSC	获取价格	IC VREG 0.6 V-5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.665 V DROPOUT, PSSO5, TO-263, 5 PIN
LP38503TS-ADJ	NSC	获取价格	3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs
LP38503TS-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
LP38503TSX-ADJ	NSC	获取价格	3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs
LP38503TSX-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
LP38511	TI	获取价格	800 mA Fast-Transient Response Low-Dropout Linear Voltage Regulator with Error Flag
LP38511_09	NSC	获取价格	800 mA Fast-Transient Response Low-Dropout Linear Voltage Regulator with Error Flag

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