TC962 データシートの表示（PDF） - TelCom Semiconductor Inc => Microchip
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TC962 Datasheet PDF : 5 Pages
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HIGH CURRENT CHARGE PUMP
DC -TO-DC CONVERTER
1
TC962
TYPICAL CHARACTERISTICS
Supply Current vs. Temperature
700
600
500
400
V + = 15V
300
200
V + = 15V
100
0
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Oscillator Frequency vs. CEXT
TA = +25°C
10k
1k
100
10
1
10
100 1000
CAPACITANCE (pF)
10,000
Frequency vs. Temperature
20
18
16
14
12
10
8
6
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Output Resistance vs. Temperature
80
70
60
50 V+ = 5V IL = 3mA
40
30
V+ = 15V IL = 20mA
20
10
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Current vs. Zener Voltage
50 TA = +25°C
40
30
20
10
0
4.5 4.0
5.5
6.0
6.5 7.0
ZENER VOLTAGE (V)
Power Conversion Efficiency vs. I LOAD
100
TA = +25°C
150
90
135
EFFICIENCY
80
120
70
105
60
SUPPLY
90
CURRENT
50
75
40
60
30
45
20
30
10
15
0
0
8 16 24 32 40 48 56 64 72 80
LOAD CURRENT (mA)
Output Resistance vs. Input Voltage
110
100
TA = +25°C
90
80
70
60 3mA
20mA
50
40
30
20
10
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
2
3
4
5
6
7
8
TELCOM SEMICONDUCTOR, INC.
4-41
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