MIC5205 datasheet(1/20 Pages) MICROCHIP

Part #	MIC5205

Description	150 mA Low-Noise LDO Regulator

PDF	20 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

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2017 - 2022 Microchip Technology Inc. and its subsidiaries

DS20005785C-page 1

MIC5205

Features

• Ultra-Low Noise Output

• High Output Voltage Accuracy

• Guaranteed 150 mA Output

• Low Quiescent Current

• Low Dropout Voltage

• Extremely Tight Load and Line Regulation

• Very Low Temperature Coefficient

• Current and Thermal Limiting

• Reverse-Battery Protection

• Zero Off-Mode Current

• Logic-Controlled Electronic Enable

Applications

• Cellular Telephones

• Laptop, Notebook, and Palmtop Computers

• Battery-Powered Equipment

• PCMCIA VCC and VPP Regulation/Switching

• Consumer/Personal Electronics

• SMPS Post-Regulator and DC/DC Modules

• High-Efficiency Linear Power Supplies

General Description

The MIC5205 is an efficient linear voltage regulator

with ultra low-noise output, very low dropout voltage

(typically 17 mV at light loads and 165 mV at 150 mA),

and very low ground current (600 µA at 100 mA

output). The MIC5205 offers better than 1% initial

accuracy.

Designed especially for hand-held, battery-powered

devices, the MIC5205 includes a CMOS or TTL

compatible enable/shutdown control input. When shut

down, power consumption drops nearly to zero.

Regulator ground current increases only slightly in

dropout, further prolonging battery life.

Key MIC5205 features include a reference bypass pin

to improve its already excellent low-noise performance,

reversed-battery protection, current limiting, and

overtemperature shutdown.

The MIC5205 is available in fixed and adjustable output

voltage versions in a small SOT-23-5 package.

For low-dropout regulators that are stable with ceramic

output capacitors, see the µCap MIC5245/6/7 family.

Package Type

MIC5205

5-Lead SOT-23 (M5)

IN

OUT

BYP

EN

LBxx

KBxx

Part

Identification

1

3

45

IN

OUT

ADJ

EN

LBAA

KBAA

1

3

45

22

GND

Pb-Free

Marking

150 mA Low-Noise LDO Regulator

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MIC5205 Datasheet(PDF) 1 Page - Microchip Technology

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