Datasheet

-
+
Q
R
+
S
Negative Bias
Regulator
Thermal
Shutdown
ON Time
One-Shot
Soft-Start
Gate Driver
Control Logic
VCC
UVLO
Gate
Driver
REGULATION
COMPARATOR
OVER-VOLTAGE
COMPARATOR
CURRENT
LIMIT
COMPARATOR
OFF Time
One-Shot
FB
LM5085
PGATE
ISEN
GND
VCC
ADJ
4.5V to 75V
Input
V
IN
GND
SHUTDOWN
R
T
C
VCC
C
ADJ
R
ADJ
Q1
D1
L1
1.25V
R
FB1
R
FB2
C
BYP
R
SEN
VCC
V
OUT
C
OUT
R3
C1
C2
1.6V
+
-
+
-
7.7V
40 PA
+
-
0.73V
+
-
VIN
RT
C
IN
V
IN
V
IN
LM5085, LM5085-Q1
www.ti.com SNVS565G –NOVEMBER 2008–REVISED MARCH 2013
Block Diagram
Sense resistor method shown for current limit detection.
Minimum output ripple configuration shown.
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Product Folder Links: LM5085 LM5085-Q1