PR624X/PR624XB
Green-power Current Mode PWM Power Switch
GENERAL DESCRIPTION
PR624X is a current Mode power switch, exhibit
extra low standby power consumption (<100mW).
PWM switching frenquency at normal operation is
internally fixed. At no load or light load condition, It
operates in hiccup mode to minimize switching loss.
Lower standby power and higher conversion
efficiency is thus achieved.
PR624X offers power on soft start control and rich
protection coverage with auto-recovery features
including VDD under voltage lockout (UVLO), VDD
over voltage protection (OVP), Cycle-by-Cycle
current limiting (OCP), over load protection (OLP),
over temperature protection (OTP).
Excellent EMI performance is achieved with
PR624X proprietary frequency hiccup technique.
The frequency at below 22KHZ is minimized to
avoid audible noise during operation.
PR626X is offered in both DIP-8L and SOP-8L
package.