产品名称:

CX7506

工作模式: 六级能效
推荐功率范围: 65W
常用规格: 5V8A
封装: SOT23-6
备注: 外置MOS管 恒流(PIN3接10nF到地)恒压动态优 带载启机动性能好
线补:
频率:
限流:
OCP/OVP:
OTP:
MOS:
工作模式: 六级能效
封装: SOT23-6
备注: 外置MOS管 恒流(PIN3接10nF到地)恒压动态优 带载启机动性能好
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详细介绍

GENERAL DESCRIPTION


CX7506 is a high performance current mode PWM controller for offline flyback converter applications. The IC has built-in General Primary Side CC control, which simplifies isolated power supply

design that requires CC regulation of the output. 

In CX7506, PWM switching frequency with shuffling is fixed to 65KHz and is trimmed to tight range. The IC has built-in green and burst mode control for light and zero loadings, which can achieve less than 75mW standby power for sub 30W applications.. 

CX7506 integrates functions and protections of Under Voltage Lockout (UVLO), VDD over Voltage Protection (VDD OVP), Cycle-by-cycle Current Limiting (OCP), Short Load Protection (SLP), Over Load Protection (OLP), On-Chip Thermal Shutdown (OTP), Soft Start, VDD Clamping, etc.


FEATURES


■  General Primary Side Constant-Current (CC) Control Supports DCM and CCM Operation

■  ±5% CC Regulation, ±1% CV Regulation with Fast Dynamic Response

■  CC Algorithm Compensates for Line Variation and Transformer Inductance Tolerance

■  Less than 75mW Standby Power for sub 30W Application

■  Current Mode Control

■  Built-in Frequency Shuffling

■   Fixed 65KHz Switching Frequency

■   Green Mode and Burst Mode Control

■  On-chip Thermal Shutdown

■  Cycle-by-Cycle Current Limiting 

■  Built-in Leading Edge Blanking

■  Built-in Slope Compensation

■  Very Low Startup and Operation Current

■  Available with SOT23-6 Package


APPLICATIONS


■  Chargers and Adapter

■  Motor Driver Power Supply


TYPICAL APPLICATION CIRCUIT (For Applications with CC/CV Control)


CX7506


TYPICAL APPLICATION CIRCUIT (For Applications with Only CV Control)


CX7506

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