The A704 is a PWM high efficiency LED driver 

controller. The LED string is driven at constant current 

rather than constant voltage, thus providing constant light 

output and enhanced reliability. 

 

 

FEATURES

Low Startup Current (5uA in typical). 

Low Operating Current (3mA in typical). 

Lead-Edge Blanking. 

Internal OVP Detected. 

150°C OTP Sensor with Hysteresis. 

Under Voltage Lockout (UVLO). 

Fixed PWM Frequency. 

PFC > 0.9 with Suitable External Components. 

 

 

 

**注意 & Noted:

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