lt4254cgn-trpbf Linear Technology Corporation, lt4254cgn-trpbf Datasheet - Page 8

• Manufacturer Part Number: lt4254cgn-trpbf
• Description: Positive High Voltage Hot Swap Controller With Open-circuit Detect
• Manufacturer: Linear Technology Corporation

LT4254
BLOCK DIAGRA
8
RETRY
0.65V
4.65V
9.8V
V
UV
OV
FB
CC
10
7
1
2
REF GEN
V
P
W
V
16
CC
GEN
4V
V
2V
P
–
+
+
–
+
–
INTERNAL
TIMER
TIMER
HIGH
LOW
UV
+
–
FOLDBACK
3.5mV
4V
4V
12mV ~ 50mV
SENSE
–
+
–
+
15
UV
OV
+
–
–
+
CURRENT
CIRCUIT
DETECT
OPEN-
LIMIT
LOGIC
4V
–
+
GND
V
8
P
123µA
3µA
4254
BD
CHARGE
DRIVER
PUMP
GATE
AND
13
4
5
9
OPEN
GATE
PWRGD
TIMER
4254fb