Datasheet

LTC4217
8
4217fe
FuncTional DiagraM
4217 BD
20k
V
DD
UV
OUT
FB
PG
GND
I
MON
INTV
CC
INTV
CC
100µA
TIMER
F LT
+
–
I
SET
GATE
SENSE
(EXPOSED PAD)
X1
CLAMP
0.6V POSITIVE
TEMPERATURE
COEFFICIENT
REFERENCE
INTERNAL 25mΩ
MOSFET
INTERNAL 7.5mΩ
SENSE RESISTOR
CHARGE
PUMP
AND GATE
DRIVER
OUT
3.1V
GEN
LOGIC
INRUSHCS
CM
0.3V/ms
FOLDBACK
0.6V
2.65V
1.235V
+–
+
–
PG
1.235V
–
+
UV
0.2V
–
+
TM1
1.235V
–
+
TM2
0.62V
–
+
RST
V
DD
V
DD
2.73V
+
–
UVLO1
OV
1.235V
–
+
OV
2µA
–
+
UVLO2
V
DD
V
DD
*
*
*
*
OUT
*
*
150k
20k
*LTC4217-12 (DFN) ONLY
140k
20k
224k
20k