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ULQ2003ATPWRQ1 Datasheet, PDF (2/17 Pages) Texas Instruments – HIGH-VOLTAGE HIGH-CURRENT DARLINGTON TRANSISTOR ARRAYS
ULQ2003A-Q1
ULQ2004A-Q1
SGLS148D – DECEMBER 2002 – REVISED APRIL 2010
1
1B
LOGIC DIAGRAM
9
COM
16
1C
2
2B
15
2C
3
3B
14
3C
4
4B
13
4C
5
5B
12
5C
6
6B
11
6C
7
7B
10
7C
SCHEMATICS (EACH DARLINGTON PAIR)
RB
ULQ2003A: RB = 2.7 kW
ULQ2004A: RB = 10.5 kW
7.2 kW 3 kW
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A. All resistor values shown are nominal.
B. The collector-emitter diode is a parasitic structure and should not be used to conduct current. If the collector(s) go
below ground an external Schottky diode should be added to clamp negative undershoots.
2
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