ICL7660SIBAT 데이터 시트보기 (PDF) - Intersil
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ICL7660SIBAT Datasheet PDF : 13 Pages
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Functional Block Diagram
OSC
7
LV
6
OSCILLATOR
AND DIVIDE-BY-
2 COUNTER
INTERNAL SUPPLY
REGULATOR
3
ICL7660S, ICL7660A
VOLTAGE
LEVEL
TRANSLATOR
Q4
Q3
3
Q1
Q2
SUBSTRATE
LOGIC
NETWORK
3
V+
8
CAP+
2
GND
3
CAP-
4
VOUT
5
Typical Performance Curves
See Figure 12, “ICL7660S Test Circuit” on page 7) and Figure 13 “ICL7660A Test Circuit” on page 7
12
250
10
200
8
SUPPLY VOLTAGE RANGE
150
(NO DIODE REQUIRED)
6
100
4
TA = +125°C
TA = +25°C
TA = -55°C
2
50
0
-55
-25
0
25
50
100
125
TEMPERATURE (°C)
FIGURE 1. OPERATING VOLTAGE AS A
FUNCTION OF TEMPERATURE
0
0
2
4
6
8
10
12
SUPPLY VOLTAGE (V)
FIGURE 2. OUTPUT SOURCE RESISTANCE AS A
FUNCTION OF SUPPLY VOLTAGE
350
300
250
200
IOUT = 20mA,
V+ = 5V
IOUT = 3mA,
V+ = 2V
150
IOUT = 20mA,
V+ = 5V
100
50
0
-50 -25
IOUT = 20mA,
V+ = 12V
0
25
50
75 100 125
TEMPERATURE (°C)
FIGURE 3. OUTPUT SOURCE RESISTANCE AS A
FUNCTION OF TEMPERATURE
98
96 V+ = 5V
94 TA = +25°C
IOUT = 1mA
92
90
88
86
84
82
80
100
1k
10k
50k
OSC FREQUENCY fOSC (Hz)
FIGURE 4. POWER CONVERSION EFFICIENCY AS A
FUNCTION OF OSCILLATOR FREQUENCY
5
FN3179.7
January 23, 2013
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