描述 Description

■ Description
The FA7610CP(N), 7612CP(N) and 7617CP(N) are bipolar ICs containing basic circuits necessary for PWM-type switching power supply control.
To minimize the number of external discrete components, the FA7610CP(N) is provided for a flyback or step-up power supply circuit, the FA7612CP(N) for a step-down power-supply circuit and FA7617CP(N) for a flyback power supply circuit.■

特性 Features

FA7610CP(N)
? For flyback transformer-type or step-up power-supply circuit (maximum output duty = 64% typical)
? Totem-pole predriver
? PWM-type switching power supply control
? Low-voltage operation (VCC = 3.6 to 22V)
? Latch-mode short-circuit protection function (no malfunction by noise)
? Soft-start function
? Undervoltage lockout function
? One capacitor shared for short circuit protection and for soft start to minimize the number of external discrete componentsFA7612CP(N)
? For step-down power-supply circuit (maximum output duty = up to 100%)
? Open collector output
? PWM-type switching power supply control
? Low-voltage operation (VCC = 3.6 to 22V)
? Latch-mode short-circuit protection function (no malfunction by noise)
? Soft-start function
? Undervoltage lockout function
? One capacitor shared for short circuit protection and for soft start to minimize the number of external discrete componentsFA7617CP(N)
? For flyback transformer-type power-supply circuit (maximum output duty = 67% typical)
? Open collector output
? PWM-type switching power supply control
? Low-voltage operation (VCC = 3.6 to 22V)
? Latch-mode short-circuit protection function (no malfunction by noise)
? Soft-start function
? Undervoltage lockout function
? One capacitor shared for short circuit protection and for soft start to minimize the number of external discrete components■ Applications
? Battery power supply for portable equipment?