R1282D002A Datasheet, PDF (3/18 Pages) RICOH electronics devices division – 2CH PWM DC/DC CONTROLLER

PIN CONFIGURATION
SON-10
10 9 8 7 6
(mark side)
R1282D002A
12345
PIN DESCRIPTION
Pin No
1
2
3
4
5
6
7
8
9
10
Symbol
EXT1
GND
AMPOUT1
DTC1
VFB1
VFB2
DTC2
Vrefout
VIN
EXT2
Description
External Transistor of Channel 1 Drive Pin (CMOS Output)
Ground Pin
Amplifier Output Pin of Channel 1
Maximum Duty Cycle of Channel 1 Setting Pin
Feedback pin of Channel 1
Feedback pin of Channel 2
Maximum Duty Cycle of Channel 2 Setting Pin
Reference Output Pin
Voltage Supply Pin of the IC
External Transistor of Channel 2 Drive Pin (CMOS Output)
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
VEXT1,2
VAMPOUT1
VDTC1,2
Vrefout
VFB1,2
IEXT1,2
PD
Topt
Tstg
Item
VIN Pin Voltage
VEXT1,2 Pin Output Voltage
AMPOUT1 Pin Voltage
DTC1,2 Pin Voltage
VREFOUT Pin Voltage
VFB1,VFB2 Pin Voltage
EXT1,2 Pin Output Current
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Rating
6.5
−0.3~VIN+0.3
−0.3~VIN+0.3
−0.3~VIN+0.3
−0.3~VIN+0.3
−0.3~VIN+0.3
±50
250
−40 to +85
−55 to +125
Unit
V
V
V
V
V
V
mA
mW
°C
°C
3