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
VZ vs Temperature
14.5
IIN = 2mA
14.0
13.5
13.0
12.5
12.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G04
IIN vs VIN
1000
TA = –40°C
100
TA = 25°C
10
TA = 85°C
1
TA = 125°C
0.1
0 2 4 6 8 10 12 14 16 18 20 22
VIN (V)
425212 G02
Circuit Breaker Current Limit
Voltage VCB vs Temperature
60
58
56
54
52
50
48
46
44
42
40
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G07
rZ vs Temperature
10
IIN = 2mA
9
8
7
6
5
4
3
2
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G03
Undervoltage Lockout VLKO
vs Temperature
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G05
Analog Current Limit Voltage
VACL vs Temperature
120
115
110
105
100
95
90
85
80
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G08
IIN vs Temperature
2000
VIN = (VZ – 0.3V)
1800
1600
1400
1200
1000
800
600
400
200
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G01
Undervoltage Lockout Hysteresis
VLKH vs Temperature
1.5
1.3
1.1
0.9
0.7
0.5
–55 –35 –15 5 25 45 65 95 105 125
TEMPERATURE (°C)
425212 G06
Fast Current Limit Voltage VFCL
vs Temperature
300
275
250
225
200
175
150
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
425212 G09
425212fd
5
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