LTC4220 データシートの表示（PDF） - Linear Technology
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LTC4220 Datasheet PDF : 36 Pages
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LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
TYPICAL PERFORMANCE CHARACTERISTICS
ITMR (Circuit Breaker, Sourcing)
vs Temperature
280
TIMER = 2V
IDRN = 0μA
260
240
220
200
180
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G22
ITMR (Circuit Breaker, IDRN = 50μA,
Sourcing) vs Temperature
690
TIMER = 2V
670 IDRN = 50μA
650
630
610
590
570
550
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G32
ITMR (Cooling Cycle, Sinking)
vs Temperature
10
TIMER = 2V
9
8
7
6
5
4
3
2
1
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G23
ITMR vs IDRN
10
1
0.1
0.001
0.01
0.1
IDRN (mA)
1
10
425212 G33
∆ITMRACC/∆IDRN vs Temperature
9.0
TIMER ON
8.8 (CIRCUIT BREAKING,
8.6 IDRN = 50μA)
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G34
IDRN vs VDRAIN
100
IIN = 2mA
10
1
0.1
0.01
0.001
TA = 125°C
TA = 85°C
0.0001
0.00001
0
TA = 25°C
TA = –40°C
2 4 6 8 10 12 14 16
VDRAIN (V)
425212 G25
VDRNL vs Temperature
2.60
FOR PWRGD STATUS (MS ONLY)
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G35
8
VDRNCL vs Temperature
8.0
IDRN = 50μA
7.8
7.6
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G36
VPGL vs Temperature
3.0
(MS ONLY)
2.5
2.0
IPG = 10mA
1.5
1.0
IPG = 5mA
0.5
IPG = 1.6mA
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G37
425212fd
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