Microchip MIC5318 Bedienungsanleitung

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 2021 Microchip Technology Inc.DS20006578A-page 1

MIC5318

Features

•Ultra-Low Dropout Voltage 110 mV @ 300mA

•Input Voltage Range: 2.3V to 6.0V

•300mA Guaranteed Output Current

•Stable with Ceramic Output Capacitors

•Ultra-Low Output Noise: 30 µVRMS

•Low Quiescent Current: 85µA Total

•High PSRR > 70dB @ 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 1.6mm x 1.6mm 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 300mA 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 1.6mm

UDFN package, occupying only 2.56 mm

2of PCB

area, fully a 36% reduction in board area when

compared to SC-70 and 2mm x 2mm 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

IN

6 BYP

NC

OUT

5

4

2

3

1EN

GND

IN

6 BYP

ADJ

OUT

5

4

2

3

MIC5318 (F)IXED

5-Lead TSOT23 (D5)

(Top View)

MIC5318 (ADJ.)

5-Lead TSOT23 (D5)

(Top View)

EN GND

BYP OUT

IN

3 1

5

2

4

EN GND

ADJ OUT

IN

3 1

5

2

4

High Performance 300mA µCap Ultra-Low Dropout Regulator

Produktspezifikationen