LTC1647 LINER [Linear Technology], LTC1647 Datasheet - Page 12

• Manufacturer Part Number: LTC1647
• Description: Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

MS ONLY
BLOCK DIAGRAM
LTC4211
12
FILTER
TIMER
3 (4)
(3)
NOTE 1: SET BY FILTER CAPACITOR FOR MS
PIN NUMBERS FOR S8/MS8 (MS)
10μA
2μA
2μA
M6
M5
M4
V
V
20μs DEFAULT FOR MS8, S8
CC
CC
V
V
0.2V
REF
REF
+
–
+
–
+
–
COMP3
COMP4
COMP5
t
TIMER
NORMAL
NORMAL, RESET
FAULT
UVLO
V
CC
8 (9)
GLITCH FILTER
(SEE NOTE 1)
+
SLOW
COMP
–
+
–
50mV
+
GLITCH FILTER
2
SENSE
DELAY
COMP
300ns
FAST
–
COMP1
ON
150μs
–
+
–
LOGIC
7 (8)
V
+
REF
150mV
5 (6)
GLITCH FILTER
FUNCTION OF
OVERDRIVE
–
COMP2
FB
M3
CB
TRIPS
OR UVLO
COMP7
V
+
REF
–
+
ON LOW
200μA
GATE
0.2V
6 (7)
REGULATOR
START-UP
CURRENT
V
0.2V
V
REF
REF
10μA
10μA
= 1.236V
V
Z
(TYP) = 12V
CHARGING
CHARGE
PUMP
BG
GATE
POWER BAD
CB TRIPS
Z1
V
CC
COMP6
+
–
Z2
V
Z
(TYP) = 26V
V
M1
REF
M2
4211 BD
RESET
1
FAULT
(10)
MS ONLY
GND
4 (5)
4211fb