MIC5501 datasheet(1/22 Pages) MICROCHIP

Part #	MIC5501

Description	300 mA Single Output LDO in Small Packages

PDF	22 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2019 Microchip Technology Inc.

DS20006006B-page 1

MIC5501/2/3/4

Features

• Input Voltage Range: 2.5V to 5.5V

• Fixed Output Voltages from 1.0V to 3.3V

• 300 mA Guaranteed Output Current

• High Output Accuracy (±2%)

• Low Quiescent Current: 38 μA

• Stable with 1 μF Ceramic Output Capacitors

• Low Dropout Voltage: 160 mV @ 300 mA

• Output Discharge Circuit: MIC5502, MIC5504

• Internal Enable Pull-Down: MIC5503, MIC5504

• Thermal-Shutdown and Current-Limit Protection

• 4-Lead 1.0 mm x 1.0 mm Thin DFN Package

• MIC5501/4 5-Lead SOT23 Package

Applications

• Smartphones

• DSC, GPS, PMP, and PDAs

• Medical Devices

• Portable Electronics

• 5V Systems

General Description

The MIC5501/2/3/4 is an advanced general-purpose

LDO ideal for powering general-purpose portable

devices. The MIC5501/2/3/4 family of products

provides a high-performance 300 mA LDO in an

ultra-small 1 mm x 1 mm package. The MIC5502 and

MIC5504 LDOs include an auto-discharge feature on

the output that is activated when the enable pin is low.

The MIC5503 and MIC5504 have an internal pull-down

resistor on the enable pin that disables the output when

the enable pin is left floating. This is ideal for

applications where the control signal is floating during

processor boot up.

Ideal

for

battery-powered

applications,

the

MIC5501/2/3/4 offers 2% initial accuracy, low dropout

voltage (160 mV at 300 mA), and low ground current

(typically 38 μA). The MIC5501/2/3/4 can also be put

into a zero-off-mode current state, drawing virtually no

current when disabled.

The MIC5501/2/3/4 has an operating junction

temperature range of –40°C to +125°C.

Package Types

MIC5501/2/3/4

4-Lead DFN (MT)

(Top View)

MIC5501/4

SOT23-5 (M5)

(Top View)

VIN

EN

VOUT

GND

43

12

EP

EN GND

NC

VOUT

VIN

3

1

5

2

4

300 mA Single Output LDO in Small Packages

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