LTC4219 LINER [Linear Technology], LTC4219 Datasheet - Page 8

• Manufacturer Part Number: LTC4219
• Description: 5A Integrated Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

LTC4219
FUNCTIONAL DIAGRAM
8
* 100k (LTC4219-5)
** 40k (LTC4219-5)
V
EN1
EN2
TIMER
150k (LTC4219-12)
20k (LTC4219-12)
DD
1.235V
1.235V
2.73V
V
DD
INTERNAL 7.5mΩ
SENSE RESISTOR
+–
+
–
+
–
–
+
UVLO1
EN1
EN2
+
(EXPOSED PAD)
–
CM
CS
SENSE
1.235V
0.2V
INTERNAL 25mΩ
AND GATE
+
–
+
–
MOSFET
CHARGE
DRIVER
PUMP
TM1
TM2
OUT
GND
LOGIC
INRUSH
0.3V/ms
GATE
3.1V
GEN
V
DD
100μA
2μA
INTV
CC
TEMPERATURE
0.6V POSITIVE
FOLDBACK
PG
COEFFICIENT
UVLO2
REFERENCE
+
–
–
+
CLAMP
0.6V
1.235V
2.65V
X1
20k
INTV
OUT
I
OUT
MON
I
FLT
SET
PG
FB
CC
4219 BD
*
**
4219f