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

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Description

The SG3525AN is a regulating pulse width Modulator IC is designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip 5.1V reference is trimmed to ±1% and the input common-mode range of the error amplifier includes the reference voltage eliminating external resistors. A synchronized input to the oscillator allows multiple units to be slaved or a single unit to be synchronized to an external system clock. A single resistor between the CT and the discharge terminals provide a wide range of dead time adjustment. This device also features built-in soft-start circuitry with only an external timing capacitor required. A shutdown terminal controls both the soft-start circuitry and the output stages, providing instantaneous turn OFF through the PWM latch with pulsed shutdown, as well as soft-start recycle with longer shutdown commands.
Separate oscillator sync terminal
Adjustable dead-time control
Internal soft-start
Pulse-by-pulse shutdown
Input under-voltage lockout with hysteresis
Latching PWM to prevent multiple pulses
Dual source/sink output drivers

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SG3525AN Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	DIP-16
Frequency	400 kHz
Supply Voltage (DC)	8.00V (min)
Number of Outputs	2 Output
Input Voltage (DC)	35.0 V
Output Voltage	5.1 V
Output Current	500 mA
Number of Channels	2 Channel
Number of Positions	16 Position
Power Dissipation	1 W
Quiescent Current	1 mA
Rise Time	100 ns
Switching Frequency	100Hz ~ 400kHz
Duty Cycle	49 %
Input Voltage (Max)	35 V
Input Voltage (Min)	8 V
Output Voltage (Max)	5.2 V
Output Voltage (Min)	5.0 V
Output Current (Max)	0.5 A
Maximum Duty Cycle	49 %
Fall Time	50 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	1000 mW
Supply Voltage	4.5V ~ 35V
Supply Voltage (Max)	35 V
Supply Voltage (Min)	8 V
Input Voltage	35 V
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Size-Length	20 mm
Size-Width	7.1 mm
Size-Height	5.1 mm
Weight	0.0260448220156 kg
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99
HK STC License	NLR

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