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TL1451A Datasheet, PDF (13/29 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS | |||
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TL1451A
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS024E â FEBRUARY 1983 â REVISED NOVEMBER 1999
TYPICAL CHARACTERISTICS
PROTECTION ENABLE TIME
vs
PROTECTION ENABLE CAPACITANCE
18
15
12
9
6
3
0
0
50
100
150
200
250
CPE â Protection Enable Capacitance â µF
SCP
15
Vref
16
170 kâ¦
Vref
Short-circuit
Protection
Comparator
ERROR AMP 1
ERROR AMP 2
+
1.25 V
â
12 kâ¦
CPE
S
R
Protection
Latch
Figure 14
Vref
U.V.L.O.
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
13
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