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HM2742 Datasheet (PDF) - Shenzhen Huazhimei Semiconductor Co., Ltd

HM2742 Datasheet PDF - Shenzhen Huazhimei Semiconductor Co., Ltd
No. de pieza HM2742
Descarga  HM2742 Descarga

Tamaño del archivo   760.99 Kbytes
Page   7 Pages
Fabricante Electrónico  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Página de inicio  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd
Descripción Electrónicos Non-isolated step-down switching power supply constant voltage control drive

HM2742 Datasheet (PDF)

Go To PDF Page Descarga Datasheet
HM2742 Datasheet PDF - Shenzhen Huazhimei Semiconductor Co., Ltd

No. de pieza HM2742
Descarga  HM2742 Click to download

Tamaño del archivo   760.99 Kbytes
Page   7 Pages
Fabricante Electrónico  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Página de inicio  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd
Descripción Electrónicos Non-isolated step-down switching power supply constant voltage control drive

HM2742 Datasheet (HTML) - Shenzhen Huazhimei Semiconductor Co., Ltd

HM2742 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2742 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2742 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2742 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2742 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2742 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM2742 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd

HM2742 Detalles de producto

DESCRIPTION
HM2742 is a high-efficiency and high-precision non-isolated step-down switch Power constant voltage control driver chip. Suitable for 85VAC~265VAC Non-isolated Buck topology with full range input voltage, especially suitable It is used to drive power supplies such as small household appliances and white goods. HM2742 integrates a 500V power switch inside, adopting a unique constant Voltage control mode, the system can work in inductor current discontinuous mode and Inductor current continuous mode. The scheme design is flexible, the peripheral application is simple, Can use lower system cost to make greater output power. HM2742 has multiple protection functions, including VBP clamp circuit, VBP under-voltage protection, output short-circuit protection, overheating protection and other functions, Strong reliability.

Features
● Unique constant pressure control Can work stably in DCM and CCM
● Unique digital control without loop compensation
● Integrated 500V power tube
● Integrated high voltage power supply
● Wide input voltage
● Output short circuit protection
● Over temperature protection
● VBP clamp, undervoltage protection
● SOP8 package




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