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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

Description
The FSL126MR integrated Pulse Width Modulator (PWM) and SenseFET is specifically designed for high performance offline Switch-Mode Power Supplies (SMPS) with minimal external components. FSL126MR includes integrated high-voltage power switching regulators that combine an avalanche-rugged SenseFET with a current-mode PWM control block.
Features
 Internal Avalanche-Rugged SenseFET (650V)
 Under 50mW Standby Power Consumption at 265VAC, No-load Condition with Burst Mode
 Precision Fixed Operating Frequency with Frequency Modulation for Attenuating EMI
 Internal Startup Circuit
 Built-in Soft-Start: 15ms
 Pulse-by-Pulse Current Limiting
 Various Protections: Over-Voltage Protection (OVP), Overload Protection (OLP), Output-Short Protection (OSP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown Function with Hysteresis (TSD)
 Auto-Restart Mode
 Under-Voltage Lockout (UVLO)
 Low Operating Current: 1.8mA
 Adjustable Peak Current Limit
Applications
 SMPS for VCR, STB, DVD, & DVCD Players
 SMPS for Home Appliance
 Adapter

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FSL126MR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	DIP-8
Power Rating	21 W
Number of Outputs	1 Output
Input Voltage (DC)	26.0 V
Output Current	1.32 A
Breakdown Voltage	650 V
Supply Current	2.5 mA
Number of Positions	8 Position
Power Dissipation	1.5 W
Output Power	21 W
Switching Frequency	67 kHz
Duty Cycle	77 %
Output Current (Min)	1.32 A
Maximum Duty Cycle	83 %
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	1500 mW
Input Voltage	26 V
	Show
Size-Length	9.83 mm
Size-Width	6.67 mm
Size-Height	3.683 mm
Operating Temperature	-40℃ ~ 105℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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