MIC2875 datasheet(1/24 Pages) MICROCHIP

tên linh kiện	MIC2875

Giải thích chi tiết về linh kiện	4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect

PDF	24 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	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

Số phần tương tự - MIC2875

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Micrel Semiconductor	MIC2875	403Kb / 7P	4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect

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Microchip Technology	MIC2876	625Kb / 26P	4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect 06/23/16
Texas Instruments	TPS61178	728Kb / 35P	20-V, 10-A Fully-Integrated Synchronous Boost with Load Disconnect Control
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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