Component COTS : 843BQ

2.5 to 5.5V V in 
Up to 28V Overvoltage Protection
1.5A Overcurrent Protection
130ms start-up delay

2.5 V to 36 V VIN

2.495V fixed Vout

0.5% initial accuracy

4.5 V TO 26 V Vin
0.92 V TO 23 V Vout
Up to 2 A I OUT
Fixed 340 kHz Fosc

2.34 V to 6.6 V V In
0.6 V to 6.12 V V Out
Up to 6 A I OUT  
Up to 4 MHz FOsc
Int/Ext Clock

1.5 A IOUT
340 mV V DO 
Adjust. V Out up 20 V

3.6 to 33 V V in 
0.8 V to 30 V Vout
3.5 A Iout
Adjust. Fosc up to 2.4 MHz

Fixed V OUT of 2.5 V
Max 5 mV drift

3 ppm/°C

8 V to 40 V VCC ; 50 % Max Duty Cycle ;
Up to 1 MHz ;Current Mode up to 1.5 A Gate Drive

Fixed V OUT of 2.5 V
Max 0.65 % V OUT drift

100 ppm/°C

2.4 A I OUT
4.5 V to 15 V V cc
V out up to 28 V
3 mA I cc
50 ns Rise / Fall Time

3.5 to 33 V V in 
0.8 V to 36 V Vout
4 A Iout
Adjust. Fosc up to 0.6 MHz

From 7V to 90V VIn

0.05A IOUT

290mV V DO 

Adjust. VOut up 90 V