Datasheet > CM6901GISTR

CM6901GISTR

更新时间： 2024-11-29 06:48:11

品牌	Logo	应用领域
虹冠电子 - CHAMP		控制器
页数	文件大小	规格书
15页	217K
描述
SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs

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技术参数
数据手册

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CM6901GISTR 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.77
Base Number Matches：	1

CM6901GISTR 数据手册

CM6901

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs

GENERAL DESCRIPTION

FEATURES

CM6901 is a SLS, SRC/LLC + SR resonant controller

and it can operate at both SRC and LLC region with

synchronous rectification to achieve high efficiency. Its

unique features: FM + 2 PWMING modes. It is used for

DC-DC conversion in offline application.

90+ Controller

Smaller and Thinner Transformer

20ms with reasonable Bulk Cap(hold up time)

SLS, SRC/LLC + SR resonant controller

Supply Voltage Range : 10V to 20V.

2 Gate Drivers: Typical Peak Drive from 12V

supply : (PMOS~200 ohm and NMOS~100 ohm).

UVLO =11V with 1V Hystetesis.

Reference OK Comparator.

Light load regulation is accomplished by transitioning

the controller from frequency modulation mode into

PWM mode. To have the optimal balance performance

between hold-up time and efficiency, its frequency range

crosses fr1(resonant frequency).

FM + 2 PWMING Mode Operation

Light Load PWMING (light load regulation)

SR Ideal Diode PWMING(cross resonant frequency

application )

CM6901 system has a constant voltage feedback loop

with precision 2.5V VFB reference. The 1V ILIMIT can

be latched when a standby converter is applied;

otherwise, it is an auto-restart I limit.

GM FEAO, FM modulation Error Amplifier

GM DEAO, PWM Error Amplifier

Close Loop Soft start Capability with Shutdown

Function.

Auto-Restart during Current Limit .

Precision 2.5V VFB threshold for constant voltage

feedback loop.

Precision 1V I limit threshold.

APPLICATIONS

CM6901 Pin Configuration

DC-DC power supply.

Operates in FM/PWM mode.

2009/11/02 Rev1.4

Champion Microelectronic Corporation

Page 1

12 3 4 5 6 7...15

中文翻译

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