MIC2875 datasheet(1/24 Pages) MICROCHIP

부품명	MIC2875

상세설명	4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect

PDF	24 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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 2015 Microchip Technology Inc.

DS20005549A-page 1

MIC2875

Features

• Up to 95% Efficiency

• Input Voltage Range: 2.5V to 5.5V

• Fully-Integrated, High-Efficiency, 2 MHz

Synchronous Boost Regulator

• Bi-Directional True Load Disconnect

• Integrated Anti-Ringing Switch

• Minimum Switching Frequency of 45 kHz

• <1 μA Shutdown Current

• Bypass Mode for VIN ≥ VOUT

• Overcurrent Protection and Thermal Shutdown

• Fixed and Adjustable Output Versions

• 8-pin 2 mm × 2 mm TDFN Package

Applications

• Tablet and Smartphones

• USB OTG and HDMI Hosts

• Portable Power Reserve Supplies

• Low-Noise Audio Applications

• Portable Equipment

General Description

The MIC2875 is a compact and highly-efficient 2 MHz

synchronous boost regulator with a 4.8A switch. It

features a bi-directional load disconnect function which

prevents any leakage current between the input and

output when the device is disabled. The MIC2875

operates in bypass mode automatically when the input

voltage is greater than the target output voltage. At light

loads, the boost converter goes to the PFM mode to

improve the efficiency.

To minimize switching artifacts in the audio band, the

MIC2875 is designed to operate with a minimum

switching frequency of 45 kHz. The MIC2875 also

features an integrated anti-ringing switch to minimize

EMI.

The MIC2875 is available in a 8-pin 2 mm × 2 mm Thin

DFN (TDFN) package, with a junction temperature

range of –40°C to +125°C.

Package Type

MIC2875 (FIXED OUTPUT)

8-Pin 2x2 TDFN* (MT)

(Top View)

MIC2875 (ADJ. OUTPUT)

8-Pin 2x2 TDFN* (MT)

(Top View)

SW

PGND

IN

AGND

OUT

/PG

EN

FB

▲

EP

1

2

3

45

6

7

8

SW

PGND

IN

AGND

OUT

/PG

EN

OUTS

▲

EP

1

2

3

45

6

7

8

* Includes exposed thermal pad (EP), see Table 3-1.

4.8A ISW, Synchronous Boost Regulator

with Bi-Directional Load Disconnect

유사한 부품 번호 - MIC2875

제조업체	부품명	데이터시트	상세설명
Micrel Semiconductor	MIC2875	403Kb / 7P	4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect

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Texas Instruments	TPS61178	1Mb / 40P	20-V, 10-A Fully-Integrated Synchronous Boost with Load Disconnect Control
Micrel Semiconductor	MIC2875	403Kb / 7P	4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect
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MIC2875 데이터시트(PDF) 1 Page - Microchip Technology

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