Datasheet

VOUT
73VIN
1 V
10 µA
Q
Pump
Constant
Power
Engine
6
+
t
V(DS) Detector
I(D)
Detector
+
4
GND
I
VOUT
1 FLT
V
VIN
2
EN
+
1.15 V / 1.00 V
+
LCA
Fast Trip
Comparator
THERMAL
SHUTDOWN
+
2.85 V / 2.7 V
5
ISET
+
35 µA
1.4 µA
40 µA
6CT
0.16 V
+
+
+
1.4 V
S
R
Q
Q
200 k
P
LIM
V
VIN
±500 mV
+
8
PG
LATCH -1
RETRY -2
FACTORY
SET
Internal Rail
1.6 uI
LIM
1.5 uI
SET
I
LIM
1 V
R
RSET
I
SET
50 N
10 0 16.8 0
VIN
TPS2421-1
TPS2421-2
www.ti.com SLUS907H –JANUARY 2009–REVISED JANUARY 2014
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