Microchip MIC5318 Manual

Microchip Ikke kategoriseret MIC5318

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 2021 Microchip Technology Inc. DS20006578A-page 1

MIC5318

Features

• Ultra-Low Dropout Voltage 110 mV @ 300 mA

• Input Voltage Range: 2.3V to 6.0V

• 300 mA Guaranteed Output Current

• Stable with Ceramic Output Capacitors

• Ultra-Low Output Noise: 30 µVRMS

• Low Quiescent Current: 85 µA Total

• High PSRR > 70 dB @ 1 kHz

• Less than 35 µs Turn-On Time

• High Output Accuracy

- ±2% Initial Accuracy

- ±3% over Temperature

• Thermal Shutdown and Current-Limit Protection

• Tiny 6-lead 1.6 mm x 1.6 mm UDFN package

• Thin SOT23-5 Package

Applications

• Mobile Phones

• PDAs

• GPS Receivers

• Portable Electronics

• Digital Still and Video Cameras

General Description

The MIC5318 is a high performance, single output

ultra-low dropout regulator, offering low total output

noise in an ultra-small UDFN package. The MIC5318 is

capable of sourcing 300 mA output current and offers

high PSRR and low output noise, making it an ideal

solution for RF applications.

Ideal for battery operated applications, the MIC5318

offers 2% initial accuracy, extremely low dropout

voltage (110 mV @ 300 mA), and low ground current

(typically 85 µA total). The MIC5318 can also be put

into a “zero” off-mode current state, drawing no current

when disabled.

The MIC5318 is available in the 1.6 mm x 1.6 mm

UDFN package, occupying only 2.56 mm

2 of PCB

area, fully a 36% reduction in board area when

compared to SC-70 and 2 mm x 2 mm UDFN

packages.

The MIC5318 has an operating junction temperature

range of –40°C to +125°C and is available in fixed and

adjustable output voltages in lead-free (RoHS

compliant) UDFN and Thin SOT23-5 packages.

Package Types

MIC5318 (F )IXED

6-Lead UDFN (MT)

(Top View)

MIC5318 (ADJ.)

6-Lead UDFN (MT)

(Top View)

1EN

GND

6 BYP

OUT

1EN

GND

6 BYP

ADJ

OUT

MIC5318 (F )IXED

5-Lead TSOT23 (D5)

(Top View)

MIC5318 (ADJ.)

5-Lead TSOT23 (D5)

(Top View)

EN GND

BYP OUT

3 1

EN GND

ADJ OUT

3 1

High Performance 300 mA µCap Ultra-Low Dropout Regulator

MIC5318

DS20006578A-page 2 2021 Microchip Technology Inc.

Typical Application Circuit

Functional Block Diagrams

Transceiver

1.6mm

VOUTVIN

GND

VIN

1μF1μF

MIC5318-x.xYMT

BYP

0.01μF

VIN

BYP

VOUT

GND

Current

Limit

Quick-

Start

VREF

Thermal

Shutdown

Error

Amp

Fixed Version

VIN

BYP

VOUT

GND

Current

Limit

Quick-

Start

VREF

Thermal

Shutdown

Error

Amp

ADJ

Adjustable Version

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	MIC5318

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