LTC1642A_15 Datasheet, PDF (8/16 Pages) Linear Technology – Hot Swap Controller

LTC1642A
BLOCK DIAGRA
V_CC 16
SENSE 15
V_CC
+
23mV TO 53mV
–
–
+
GATE
14
CRWBR
1
CHARGE PUMP
25µA
21.5V
21V
45µA
1.5mA
+
0.41V –
FB 7
–
21V
1.22V +
RISING
DELAY
15µs TO
100µs
OV 9
+
21V
1.22V –
ON 4
+
21V
1.22V –
RISING
DELAY
15µs TO
100µs
RISING
DELAY
2µs
LOGIC
V_CC
+
2.7V –
RISING
DELAY
10µs
1.22V +
–
COMP⁺ 11
COMP ^– 12
+
–
21V 21V
10 COMPOUT
21V
20µA
+
1.22V –
21V
2
BRK TMR
2µA
+
1.22V –
21V
3
RST TMR
13 REF
21V
V_CC
10µA AT 5V
5 RESET
21V
V_CC
10µA AT 5V
6 FAULT
21V
1642a BD
1642af
8