SS6577
External NMOS Step-Down PWM Controller
FEATURES
N-Channel MOSFET Drive Operating input voltage from 4.
5V to 24V Wide output Range : 0.
8V to 20V Reference: ±1.
5% 0.
8V Reference Low dropout operation : 95% duty cycle Fixed constant frequency - 500kHz Low standby current, I Q typically 720µA Logic-control micropower shutdown Output overvoltage protection Internal diode for bootstrapped gate drive Current-mode operation for excellent line and load transient response Available in 8-lead SO or MSOP packages
DESCRIPTION
The SS6577 is a current-mode switching
regulator controller that drives an external N-channel power MOSFET using a fixed frequency architecture.
It uses an external divider...