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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

Description
This third-generation Primary Side Regulation (PSR) and highly integrated PWM controller provides several features to enhance the performance of low-power flyback converters. The proprietary topology, TRUECURRENT™, of FSEZ1317 enables precise CC regulation and simplified circuit design for battery charger applications. A low-cost, smaller, and lighter charger results, as compared to a conventional design or a linear transformer.
Features
Low Standby Power Under 30mW
High-Voltage Startup
Fewest External Component Counts
Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
Green-Mode: Linearly Decreasing PWM Frequency
Fixed PWM Frequency at 50kHz with Frequency Hopping to Solve EMI Problem
Cable Compensation in CV Mode
Peak-Current-Mode Control in CV Mode
Cycle-by-Cycle Current Limiting
VDD Over-Voltage Protection with Auto Restart
VDD Under-Voltage Lockout (UVLO)
Gate Output Maximum Voltage Clamped at 15V
Fixed Over-Temperature Protection with Auto Restart
Available in the 7-Lead SOP and DIP Packages

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FSEZ1317MY Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	7 Pin
Case/Package	SOIC-7
Frequency	50 kHz
Number of Outputs	1 Output
Input Voltage (DC)	15.0 V
Output Voltage	15 V
Output Current	1 A
Number of Positions	7 Position
Output Power	30 mW
Switching Frequency	50 kHz
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	23 V
Supply Voltage (Min)	15 V
Input Voltage	15 V
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Operating Temperature	-40℃ ~ 105℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

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SN:H1.28889LO36827V34Q0QC0S0

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