Datasheet

10
OUT
11
12
2IN
3
1
1.0V
7ILIM
+
10 uA
Q
Pump
Constant
Power
Engine
S
+
-
V(DS) Detector
I(D)
Detector
+
13
GND
I
OUT
14
15 FLT
V
IN
16
EN
+
1.15 V / 1.00 V
+
LCA
Fast Trip
Comparator
1.6 x I
LIM
5
THERMAL
SHUTDOWN
+
2.85 V / 2.70 V
4
8
IFLT
+
35 uA
1.4 uA
40 uA
6RTRY
3V
3V
9CT
0.16V
+
+
+
1.4V
S
R
Q
Q
P
LIM
Internal Rail
´200kW
1V¸R
RFLT
I
FAULT
50kΩ
10MΩ
100kΩ
16.8MΩ
IN
TPS2590
SLUS960F –JULY 2009–REVISED MAY 2013 www.ti.com
DEVICE INFORMATION
TPS2590 FUNCTIONAL BLOCK DIAGRAM
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