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Updated at 31/10/2025 10:30:15(UTC+8)

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Description

The FAN6300AMY is a highly integrated quasi-resonant current-mode PWM Controller provides several features to enhance the performance of flyback converters. It is applied on quasi-resonant flyback converters where maximum operating frequency is below 100kHz. A built-in HV startup circuit can provide more startup current to reduce the startup time of the controller. Once the VDD voltage exceeds the turn-on threshold voltage, the HV startup function is disabled immediately to reduce power consumption. An internal valley voltage detector ensures power system operates at quasi-resonant operation over a wide-range of line voltage and any load conditions, as well as reducing switching loss to minimize switching voltage on drain of power MOSFET. To minimize standby power consumption and light-load efficiency, a proprietary green-mode function provides off-time modulation to decrease switching frequency and perform extended valley voltage switching to keep to a minimum switching voltage.
High-voltage startup
Quasi-resonant operation
Cycle-by-cycle current limiting
Peak-current-mode control
Leading-edge blanking (LEB)
Internal minimum tOFF
Internal 5ms soft-start
Over power compensation
GATE Output maximum voltage
Auto-recovery over-current protection(FB pin)
Auto-recovery open-loop protection(FB pin)
VDD pin and output voltage (DET pin) OVP latched

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FAN6300AMY Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	100 kHz
Supply Voltage (DC)	10.0V (min)
Number of Outputs	1 Output
Input Voltage (DC)	15.0 V
Output Voltage	18 V
Output Current	150 mA
Number of Positions	8 Position
Power Dissipation	400 mW
Rise Time	145 ns
Switching Frequency	100 kHz
Fall Time	55 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	400 mW
Supply Voltage	8V ~ 25V
Supply Voltage (Max)	25 V
Supply Voltage (Min)	10 V
Input Voltage	15 V
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Size-Length	4.9 mm
Size-Width	3.9 mm
Size-Height	1.75 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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