Datasheet

UVLO1
Comp
+
-
+
-
Thermal
Shutdown
2.5V
+-
Current
Sense
Reference
V
ref
V
ref
ENA_1
FB1
ENA_1
120ms
Delay
0.95xVref
FB1
0.95xVref
FB2
RisingEdge
Deglitch
ENA_1
ENA_2
Current
Sense
+-
ENA_2
ENA_2
FB2
V
ref
VIN1(2Pins)
GND
EN1
EN2
V
IN2
(2Pins)
FB1
(seeNoteA)
PG1
MR
RESET
FB2
(seeNoteA)
V
IN1
PG1
Comp
RisingEdge
Deglitch
PG2
PG2
Comp
V
OUT1
(2Pins)
V
OUT2
(2Pins)
2.5V
UVLO2
Comp
+
-
+
-
TPS70445, TPS70448
TPS70451, TPS70458
TPS70402
SLVS307F –SEPTEMBER 2000–REVISED APRIL 2010 www.ti.com
Adjustable Voltage Version
A. For most applications, FB1 and FB2 should be externally connected to resistor dividers as close as possible to the
device. For other implementations, refer to FB terminals connection discussion in the Application Information
section.
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