LTC4212 LINER [Linear Technology], LTC4212 Datasheet - Page 17
![no-image](/images/no-image-200.jpg)
LTC4212
Manufacturer Part Number
LTC4212
Description
Hot Swap Controller with Power-Up Timeout
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC4212.pdf
(24 pages)
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OPERATIO
CONVERTER
CONVERTER
(PGOOD)
OUTPUT
OUTPUT
TIMER
DC/DC
DC/DC
FAULT
(RST)
GATE
PGT
PGF
V
PGI
ON
CC
2.34V
V
CC
1 2
CHECK FOR GATE < 0.2V
3
U
V
REF
POWER GOOD TIMEOUT FAULT SEQUENCE
4 5 6
Figure 3. Power Good Time-Out Fault and ECB Reset Sequence
CHECK FOR FAULT HIGH
FAST COMP ARMED
SOFT-START
CYCLE (C
7
2ND TIMING
ACTIVE
0.95V
0.65V
V
REF
TIMER
SLOW COMP & POWER GOOD CIRCUIT ARMED
8 9
)
V
TIME-OUT CYCLE
OUT
POWER GOOD
(C
10
PGT
)
< 200ms
V
OUT
11 12
PGI SAMPLED
13
14
ON GOES LOW
15
LOGIC RESET
ECB RESET
SEQUENCE
(200 A GATE PULLDOWN)
16
CIRCUIT BREAKER RESET
17
LTC4212
CYCLE (C
1ST TIMING
V
REF
TIMER
17
4212 F03
19
)
4212f