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IC SG3525 SMD SG 3525 SG3525A 3525A SG3525AP SG3525ADR PWM Controller
Rp12.000
SG3525 SG3525A SG3525ADR SG3525AP PWM Controller BF13
Description:
The SG3525A 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
Applications
Power Management
Description:
The SG3525A 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
Applications
Power Management
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