Datasheet > HFC0400GS

HFC0400GS

更新时间： 2024-02-02 09:45:13

品牌	Logo	应用领域
芯源 - MPS		控制器
页数	文件大小	规格书
25页	1356K
描述
Fixed Frequency Flyback Controller with Ultra-low No Load Power Consumption

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HFC0400GS 数据手册

HFC0400

Fixed Frequency Flyback Controller

with Ultra-low No Load Power Consumption

The Future of Analog IC Technology

DESCRIPTION

FEATURES



Fixed-frequency current-mode control with

built-in slope compensation

Frequency foldback down to 25kHz at light

loads

Burst mode for low standby power

consumption

HFC0400 is a fixed-frequency current-mode

controller with built-in slope compensation. It

targets medium-power, off-line, flyback, switch-

mode power supplies. At light loads, the

controller freezes the peak current and reduces

its switching frequency down to 25kHz to offer

excellent light-load efficiency.



Frequency jitter to reduce EMI signature

X-cap discharge function

Internal high-voltage current source

VCC under-voltage lockout with hysteresis

(UVLO)

At very light loads, the controller enters burst

mode to achieve very low standby power

consumption.

HFC0400 offers frequency jittering to help

dissipate energy generated by conducted noise.



Brown-out protection on HV pin

Overload protection with programmable

delay

HFC0400 also has an X-cap discharge function

to discharge the X-cap when the input is

unplugged.



Thermal shutdown (auto-restart with

hysteresis)

Latch-off for external over-voltage protection

(OVP) and over-temperature protection

(OTP) on TIMER pin

HFC0400 features multiple protections that

include thermal shutdown (TSD), VCC under-

voltage lockout (UVLO), overload protection

(OLP), over-voltage protection (OVP), and

brown-out protection.



Short-circuit protection

Programmable soft start

APPLICATIONS

HFC0400 is available in an SOIC8-7A package.



AC/DC adapters for notebook computers,

tablets, and smartphones



Offline battery chargers

LCD TV s and monitors

All MPS parts are lead-free and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Products, Quality Assurance page.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

HFC0400 Rev. 1.0

11/28/2012

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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HFC05-11N5K-RC	ALLIED	获取价格	High Frequency Chip Inductors
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