LTC1874 데이터 시트보기 (PDF) - Linear Technology
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LTC1874 Datasheet PDF : 12 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC1874
Reference Voltage
vs Temperature
825
VIN = 4.2V
820
815
810
805
800
795
790
785
780
775
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1874 G01
Normalized Oscillator Frequency
vs Temperature
10
VIN = 4.2V
8
6
4
2
0
–2
–4
–6
–8
–10
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1874 G02
Undervoltage Lockout Trip
Voltage vs Temperature
2.24
VIN FALLING
2.20
2.16
2.12
2.08
2.04
2.00
1.96
1.92
1.88
1.84
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1874 G03
Maximum (VIN – SENSE–) Voltage
vs Duty Cycle
130
VIN = 4.2V
120
TA = 25°C
110
100
90
80
70
60
50
20 30 40 50 60 70 80 90 100
DUTY CYCLE (%)
1874 G04
Shutdown Threshold
vs Temperature
600
VIN = 4.2V
560
520
480
440
400
360
320
280
240
200
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1874 G05
3
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