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LTC4212CMS Datasheet(PDF) 9 Page - Linear Technology

Part # LTC4212CMS
Description  Hot Swap Controller with Power-Up Timeout
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4212CMS Datasheet(HTML) 9 Page - Linear Technology

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9
LTC4212
4212f
PI FU CTIO S
–
+
SLOW
COMP
50mV
150mV
0.2V
COMP7
M3
18
µS
GLITCH FILTER
UVLO
–
+
FAST
COMP
500ns
DELAY
BG
VREF =
1.236V
0.2V
CB
TRIPS
OR UVLO
ON LOW
>10
µs
START-UP
CURRENT
REGULATOR
GATE
CHARGING
200
µA10µA
CB TRIPS
VREF
10
µA
7
GATE
8
SENSE
9
VCC
CHARGE
PUMP
Z1
VZ (TYP) = 12V
M2
GND
5
FAULT
10
–
+
4212 BD
–
+
–
+
COMP3
tTIMER
0.2V
VREF
COMP4
NORMAL
TIMER
2
ON
1
2
µA
M6
VCC
M5
COMP6
Z2
VZ (TYP) = 28V
VCC
1.316V
0.455V
1.5
µs
DELAY
VREF
4
PGF
COMP5
M12
M9
M8
3
PGT
COMP9
M1
M10
5
µA
5
µA
5
µA
VREF
0.65V
0.95V
DISABLE
GLITCH
FILTER
VALID
GLITCH
DISABLE
TIMER
6
PGI
COMP8
+
–
+
–
COMP2
COMP1
LOGIC
10
µs
120
µs
200
µA
GATE
PULLDOWN
RESET
ECB
0.95V
0.65V
BLOCK DIAGRA
FAULT (Pin 10): Open Drain FAULT Output or External
FAULT Input. If the FAST COMP, SLOW COMP or the
power good circuit trips the ECB, the FAULT pin is latched
low. The FAULT pin is an open drain output and is typically
connected by a 10k pull-up resistor to VCC. An external
circuit can also trip the ECB by driving FAULT below
1.236V (typical).



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