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LTC4212 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC4212
Description  Hot Swap Controller with Power-Up Timeout
Download  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4212 Datasheet(HTML) 2 Page - Linear Technology

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LTC4212
4212f
Supply Voltage (VCC) ............................................... 17V
Input Voltages
ON, PGI ................................................ – 0.3V to 17V
SENSE .................................... – 0.3V to (VCC + 0.3V)
TIMER, PGT, PGF ....................................– 0.3V to 2V
Output Voltages
GATE ............................... Internally Limited (Note 3)
FAULT .................................................. – 0.3V to 17V
Operating Temperature Range
LTC4212C .............................................. 0
°C to 70°C
LTC4212I ........................................... – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
ORDER PART
NUMBER
LTC4212CMS
LTC4212IMS
MS PART
MARKING
LTC5
LTC6
TJMAX = 125°C, θJA = 200°C/ W
1
2
3
4
5
ON
TIMER
PGT
PGF
GND
10
9
8
7
6
FAULT
VCC
SENSE
GATE
PGI
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
VCC Supply Voltage Range
q
2.5
16.5
V
ICC
VCC Supply Current
ON = High, TIMER = Low
q
1
1.5
mA
VLKO
Internal VCC Undervoltage Lockout
VCC Low-to-High Transition
q
2.13
2.34
2.47
V
VLKOHST
VCC Undervoltage Lockout Hysteresis
110
mV
IINON
ON Input Current
VON = VCC or GND
±1
±10
µA
ILEAK
FAULT Leakage Current
VFAULT = 15V, Pull-Down Device Off
q
±0.1
±2.5
µA
IINPGI
PGI Pin Input Current
VPGI = VCC or GND
±1
±10
µA
IINSENSE
SENSE Input Current
VSENSE = VCC or GND
±1
±10
µA
VCB(FAST)
SENSE Trip Voltage (VCC – VSENSE)
Fast Comparator Trips
q
130
150
170
mV
VCB(SLOW)
SENSE Trip Voltage (VCC – VSENSE)
Slow Comparator Trips
q
40
50
60
mV
IGATEUP
GATE Pull-Up Current
Charge Pump On, VGATE ≤ 0.2V
q
– 12.5
– 10
– 7.5
µA
IGATEDOWN Normal GATE Pull-Down Current
ON Low
q
130
200
270
µA
Fast GATE Pull-Down Current
FAULT Latched and Circuit Breaker
50
mA
Tripped or in UVLO, VGATE = 15V
∆VGATE
External N-Channel Gate Drive
VGATE – VCC (For VCC = 2.5V)
q
4.0
8
V
VGATE – VCC (For VCC = 2.7V)
q
4.5
8
V
VGATE – VCC (For VCC = 3.3V)
q
5.0
10
V
VGATE – VCC (For VCC = 5V)
q
10
16
V
VGATE – VCC (For VCC = 12V)
q
10
18
V
VGATE – VCC (For VCC = 15V), (Note 3)
q
815
V
VGATEOV
GATE Overvoltage Lockout Threshold
q
0.08
0.2
0.3
V
VONHI
ON Threshold High
q
1.23
1.316
1.39
V
VONLO
ON Threshold Low
q
0.4
0.455
0.5
V
VPGI
Power Good Input Threshold
q
1.20
1.236
1.26
V
VPGIHST
Power Good Input Hysterisis
28
mV
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are TA = 25°C. VCC = 5V, unless otherwise noted. (Note 2)
ELECTRICAL CHARACTERISTICS


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