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LTC660 データシート(PDF) 3 Page - Linear Technology

部品番号 LTC660
部品情報  100mA CMOS Voltage Converter
PDF  12 Pages
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メーカー  LINER [Linear Technology]
ホームページ  http://www.linear.com
Logo LINER - Linear Technology

LTC660 データシート(HTML) 3 Page - Linear Technology

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LTC660
TYPICAL PERFORMANCE CHARACTERISTICS (Using Test Circuit in Figure 1)
Output Voltage and Efficiency
vs Load Current, V + = 5V
LOAD CURRENT (mA)
0
–3.8
–3.4
–3.0
80
LTC660 • TPC06
–4.2
–4.6
–5.0
84
92
100
76
68
80
88
96
72
64
60
20
40
60
10
90
30
50
70
100
LTC660
EFFICIENCY
LTC660
OUTPUT VOLTAGE
TA = 25°C
BOOST = OPEN
OSCILLATOR FREQUENCY (kHz)
0.1
40
50
60
70
80
1
10
100
LTC660 • TPC03
30
20
10
0
90
100
C1 = C2 = 22
µF
C1 = C2 = 150
µF
C1 = C2 = 1500
µF
TA = 25°C
V+ = 5V
BOOST = OPEN
Output Resistance
vs Oscillator Frequency
LOAD CURRENT (mA)
0
90
100
80
LTC660 • TPC07
80
70
85
95
75
65
60
20
40
60
10
90
30
50
70
100
V+ = 5.5V
TA = 25°C
BOOST = OPEN
V+ = 4.5V
V+ = 3.5V
V+ = 2.5V
V+ = 1.5V
Efficiency vs Load Current
SUPPLY VOLTAGE (V)
0
0
2
6
8
10
2
18
LTC690 • TPC04
4
13
4
5
6
12
14
16
TA = 25°C
BOOST = OPEN
Output Resistance
vs Supply Voltage
TEMPERATURE (
°C)
–60
15
20
25
100
LTC660 • TPC05
10
5
0
–20
20
60
140
80
–40
0
40
120
V+ = 1.5V
BOOST = OPEN
V+ = 3V
V+ = 5V
Output Resistance vs Temperature
Output Voltage Drop
vs Load Current
LOAD CURRENT (mA)
0
0.8
1.0
80
LTC660 • TPC09
0.6
0.4
0.7
0.9
0.5
0.3
0.2
0.1
0
20
40
60
10
90
30
50
70
100
V+ = 5.5V
TA = 25°C
BOOST = OPEN
V+ = 2.5V
V+ = 1.5V
V+ = 3.5V
V+ = 4.5V
Efficiency vs Load Current
LOAD CURRENT (mA)
0
90
100
80
LTC660 • TPC08
80
70
85
95
75
65
60
20
40
60
10
90
30
50
70
100
V+ = 5.5V
TA = 25°C
BOOST = V+
V+ = 3.5V
V+ = 2.5V
V+ = 1.5V
V+ = 4.5V
SUPPLY VOLTAGE (V)
1.5
0
50
100
150
200
2.5
3.5
4.5
5.5
LTC660 • G01
250
300
23
4
5
BOOST = V+
BOOST = OPEN
TA = 25°C
Supply Current vs Supply Voltage
OSCILLATOR FREQUENCY (kHz)
10
100
1000
0.01
1
10
1000
LTC660 • G02
1
0.1
100
TA = 25°C
V+ = 5V
Supply Current
vs Oscillator Frequency



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