Description
R1280D002A/C
Pin No 1 2
Symbol EXT1 GND
3
AMPOUT1
4
DTC1
5
VFB1
6
VFB2
7
DTC2
8
Vrefout
9
VIN
10
EXT2
R1280D002B
Pin No 1 2 3 4 5 6 7 8 9 10
Symbol EXT1 GND CE DTC1 VFB1 VFB2 DTC2 Vrefout VIN EXT2
Description External Transistor of Channel 1 Drive Pin (CMOS
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 700kHz (R1280D002A,B)/200kHz (R1280D002C).
- Maximum Duty Cycle Typ. 90% (Only applied to R1280D002B Series).
- High Reference Voltage Accuracy ±1.5%.
- U. V. L. O. ThresholdTyp. 2.2V (Hysteresis: Typ. 0.1V).
- Small Package thin SON-10 (package thickness Max. 0.9mm).
R1280D002B Datasheet
