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TC962 数据表(PDF) 6 Page - Microchip Technology

部件名 TC962
功能描述  High Current Charge Pump DC-to-DC Converter
PDF  12 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

TC962 数据表(HTML) 6 Page - Microchip Technology

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TC962
DS21484B-page 6
 2002 Microchip Technology Inc.
4.0
TYPICAL CHARACTERISTICS
Circuit of Figure 3-1, CP = CR = 10µF, CPESR ≈ CRESR ≈ 1Ω.
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
700
600
500
400
300
200
100
-60 -40 -20
0
20 40
60 80 100 120 140
TEMPERATURE (
°C)
-60 -40 -20
0
20
40 60 80 100 120 140
TEMPERATURE (
°C)
Supply Current vs. Temperature
0
10k
1k
100
1
10
100
1000
10,000
CAPACITANCE (pF)
Oscillator Frequency vs. C
10
OSC
TA = +25°C
20
18
16
14
12
10
8
Frequency vs. Temperature
6
V = 15V
+
V = 15V
+
COSC = FREQ x 2 = OPEN
-60 -40 -20
0
20
40 60 80 100 120 140
TEMPERATURE (
°C)
80
70
60
50
40
30
20
Output Resistance vs. Temperature
10
50
4.5
ZENER VOLTAGE (V)
Current vs. Zener Voltage
4.0
5.5
6.0
6.5
7.0
40
30
20
10
0
100
LOAD CURRENT (mA)
Power Conversion Efficiency vs. I
16
32
48
64
80
80
60
40
20
90
70
50
30
10
0
824
40
56
72
LOAD
150
120
90
60
30
135
105
75
45
15
0
V = 5V IL = 3mA
+
V = 15V IL = 20mA
+
TA = +25°C
TA = +25°C
EFFICIENCY
SUPPLY
CURRENT
100
INPUT VOLTAGE (V)
Output Resistance vs. Input Voltage
4
8
12
16
20
80
60
40
20
90
70
50
30
10
2
6
10
14
18
0
110
TA = +25°C
3mA
20mA



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