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TC7660 датащи(PDF) 3 Page - Microchip Technology

номер детали TC7660
подробное описание детали  CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
PDF  12 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC7660 датащи(HTML) 3 Page - Microchip Technology

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TC7660
CHARGE PUMP DC-TO-DC
VOLTAGE CONVERTER
© 2001 Microchip Technology Inc.
DS21465A
TC7660-7 9/30/96
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 1)
500
450
400
200
150
100
50
0
–55
–25
0
+25
+50
+75 +100 +125
TEMPERATURE (
°C)
Output Source Resistance vs. Temperature
V + = +2V
V + = +5V
–25
0
+25
+75 +100 +125
12
10
8
6
4
2
+50
Operating Voltage vs. Temperature
–55
TEMPERATURE (
°C)
0
78
10k
1k
100
Ω
TA = +25°C
Output Source Resistance vs. Supply Voltage
6
5
4
3
2
1
0
SUPPLY VOLTAGE (V)
OSCILLATOR FREQUENCY (Hz)
100
98
96
92
90
88
86
84
82
80
94
100
1k
10k
Power Conversion Eff. vs. Osc. Freq.
TEMPERATURE (
°C)
Unloaded Osc. Freq. vs. Temperature
20
–55
18
16
14
12
10
8
6
–25
0
+25 +50
+75 +100 +125
V+ = +5V
OSCILLATOR CAPACITANCE (pF)
10k
1
Freq. of Osc. vs. Ext. Osc. Capacitance
1k
100
10
10
100
1000
10k
IOUT = 1 mA
TA = +25°C
V+ = +5V
TA = +25°C
V+ = +5V
IOUT = 1 mA
IOUT = 15 mA
10
Ω
SUPPLY VOLTAGE RANGE



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