LTC4212 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC4212 Datasheet PDF : 24 Pages
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LTC4212
ABSOLUTE AXI U RATI GS
(Note 1)
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
UW U
PACKAGE/ORDER I FOR ATIO
ON 1
TIMER 2
PGT 3
PGF 4
GND 5
TOP VIEW
10 FAULT
9 VCC
8 SENSE
7 GATE
6 PGI
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 200°C/ W
ORDER PART
NUMBER
LTC4212CMS
LTC4212IMS
MS PART
MARKING
LTC5
LTC6
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS 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)
SYMBOL PARAMETER
VCC
ICC
VLKO
VLKOHST
IINON
ILEAK
IINPGI
IINSENSE
VCB(FAST)
VCB(SLOW)
IGATEUP
IGATEDOWN
VCC Supply Voltage Range
VCC Supply Current
Internal VCC Undervoltage Lockout
VCC Undervoltage Lockout Hysteresis
ON Input Current
FAULT Leakage Current
PGI Pin Input Current
SENSE Input Current
SENSE Trip Voltage (VCC – VSENSE)
SENSE Trip Voltage (VCC – VSENSE)
GATE Pull-Up Current
Normal GATE Pull-Down Current
Fast GATE Pull-Down Current
∆VGATE External N-Channel Gate Drive
VGATEOV
VONHI
VONLO
VPGI
VPGIHST
GATE Overvoltage Lockout Threshold
ON Threshold High
ON Threshold Low
Power Good Input Threshold
Power Good Input Hysterisis
CONDITIONS
ON = High, TIMER = Low
VCC Low-to-High Transition
VON = VCC or GND
VFAULT = 15V, Pull-Down Device Off
VPGI = VCC or GND
VSENSE = VCC or GND
Fast Comparator Trips
Slow Comparator Trips
Charge Pump On, VGATE ≤ 0.2V
ON Low
FAULT Latched and Circuit Breaker
Tripped or in UVLO, VGATE = 15V
VGATE – VCC (For VCC = 2.5V)
VGATE – VCC (For VCC = 2.7V)
VGATE – VCC (For VCC = 3.3V)
VGATE – VCC (For VCC = 5V)
VGATE – VCC (For VCC = 12V)
VGATE – VCC (For VCC = 15V), (Note 3)
MIN
q 2.5
q
q 2.13
q
q 130
q 40
q – 12.5
q 130
TYP MAX
16.5
1
1.5
2.34 2.47
110
±1 ±10
±0.1 ±2.5
±1 ±10
±1 ±10
150 170
50 60
– 10 – 7.5
200 270
50
q 4.0
q 4.5
q 5.0
q 10
q 10
q8
q 0.08
q 1.23
q 0.4
q 1.20
8
8
10
16
18
15
0.2 0.3
1.316 1.39
0.455 0.5
1.236 1.26
28
2
UNITS
V
mA
V
mV
µA
µA
µA
µA
mV
mV
µA
µA
mA
V
V
V
V
V
V
V
V
V
V
mV
4212f
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