LTC4214 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC4214' PDF : 32 Pages View PDF
LTC4214-1/LTC4214-2
TYPICAL PERFOR A CE CHARACTERISTICS All voltages are referenced to VEE Unless
otherwise specified.
VOVHST vs Temperature
0.18
VIN = 12V
0.17
0.16
0.15
0.14
0.13
0.12
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G22
TIMER Threshold vs Temperature
4.0
VIN = 12V
3.5
3.0
VTMRH
2.5
2.0
VTMRL
1.5
1.0
0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G25
ITMR (Circuit Breaker, Sourcing)
vs Temperature
60 VIN = 12V
55
TIMER = 2.2V
IDRN = 0µA
50
45
40
35
30
25
20
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G28
6
ISENSE vs Temperature
0
VIN = 12V
UV/OV = 2.5V
–5 TIMER = 0V
GATE = HIGH
VSENSE – VEE = 50mV
–10
–15
–20
–25
–30
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G23
ITMR (Initial Cycle, Sourcing)
vs Temperature
7.0 VIN = 12V
6.5 TIMER = 2.2V
6.0
5.5
5.0
4.5
4.0
3.5
3.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G26
ITMR (Circuit Breaker, IDRN =
20µA, Sourcing) vs Temperature
220 VIN = 12V
215
TIMER = 2.2V
IDRN = 20µA
210
205
200
195
190
185
180
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G29
ISENSE vs (VSENSE – VEE)
0.01
0.10
1
10
VIN = 12V
100
UV/OV = 2.5V
TIMER = 0V
GATE = HIGH
1000
TA = 25°C
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
(VSENSE – VEE) (V)
4214 G24
ITMR (Initial Cycle, Sinking)
vs Temperature
50 VIN = 12V
45 TIMER = 2.2V
40
35
30
25
20
15
10
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G27
ITMR (Cooling Cycle, Sinking)
vs Temperature
7.0 VIN = 12V
6.5 TIMER = 2.2V
6.0
5.5
5.0
4.5
4.0
3.5
3.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
4214 G30
421412f
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