Datasheet

UC2902
UC3902
SLUS232E − DECEMBER 19, 2002 − REVISED JULY 2011
5
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ORDERING INFORMATION
T
A
PACKAGE
(2)
PART NUMBER
40°C to 85°C
SOIC (D) UC2902D
−40°C to 85°C
Plastic DIP (N) UC2902N
0°C to 70°C
SOIC (D) UC3902D
0°C to 70°C
Plastic DIP (N) UC3902N
(2)
The D package is also available taped and reeled. Add an R suffix to the device type (i.e., bq24901DR) for quantities of 3,000 devices per reel.
1
2
3
4
8
7
6
5
GND
SENSE
ADJ
ADJR
VCC
SHARE+
SHARE−
COMP
D PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
GND
SENSE
ADJ
ADJR
VCC
SHARE+
SHARE−
COMP
N PACKAGE
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O DESCRIPTION
ADJ 3 I Current output of the adjust amplifier circuit (NPN collector)
ADJR 4 O Current adjust amplifier range set (NPN emitter)
COMP 5 I/O Output of the error amplifier, input of the adjust amplifier
GND 1 − Local power supply return and signal ground
SENSE 2 I Inverting input of the current sense amplifier
SHARE+ 7 I/O Positive input from share bus or drive-to-share bus
SHARE− 6 I Reference for SHARE+ pin
VCC 8 I Local power supply (positive)