• Part: R1280D002A
  • Description: 2CH PWM DC/DC CONTROLLER
  • Manufacturer: RICOH
  • Size: 2.02 MB
Download R1280D002A Datasheet PDF
RICOH
R1280D002A
FEATURES - Input Voltage Range 2.5V to 5.5V - Built-in Latch-type Protection Function by monitoring duty cycle (Fixed Delay Time Typ. 100ms) - Oscillator Frequency 700k Hz (R1280D002A,B)/200k Hz (R1280D002C) - Maximum Duty Cycle Typ. 90% (Only applied to R1280D002B Series) - High Reference Voltage Accuracy ±1.5% - U.V.L.O. Threshold Typ. 2.2V (Hysteresis: Typ. 0.1V) - Small Package thin SON-10 (package thickness Max. 0.9mm) APPLICATIONS - Constant Voltage Power Source for Portable Equipment. - Constant Voltage Power Source for LCD and CCD. R1280D002x BLOCK DIAGRAM - R1280D002A/C - R1280D002B R1280D002x SELECTION GUIDE The mask option for the ICs can be selected at the user's request. The selection can be made with designating the part number as...