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LTC660 датащи(PDF) 4 Page - Linear Technology

номер детали LTC660
подробное описание детали  100mA CMOS Voltage Converter
PDF  12 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC660 датащи(HTML) 4 Page - Linear Technology

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LTC660
TYPICAL PERFORMANCE CHARACTERISTICS (Using Test Circuit in Figure 1)
Oscillator Frequency
vs Temperature
TEMPERATURE (
°C)
0
4
8
12
2
6
10
–20
20
60
100
LTC660 • TPC15
140
–40
–60
0
40
80
120
V+ = 5V
BOOST = OPEN
OSC = OPEN
LOAD CURRENT (mA)
0
0.8
1.0
80
LTC660 • TPC10
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 = V+
V+ = 2.5V
V+ = 1.5V
V+ = 3.5V
V+ = 4.5V
Output Voltage Drop
vs Load Current
Output Voltage
vs Oscillator Frequency
OSCILLATOR FREQUENCY (kHz)
0.1
–2.5
–4.0
–4.5
–5.0
1
10
100
LTC660 • TPC11
–3.5
–3.0
TA =25°C
V+ = 5V
BOOST = OPEN
IL = 1mA
IL = 10mA
IL = 80mA
Efficiency vs Oscillator Frequency
OSCILLATOR FREQUENCY (kHz)
0.1
70
75
80
85
90
1
10
100
LTC660 • TPC12
65
60
55
50
95
100
TA = 25°C
V+ = 5V
BOOST = OPEN
IL = 10mA
IL = 80mA
IL = 1mA
Oscillator Frequency
vs Supply Voltage
SUPPLY VOLTAGE (V)
0
4
8
12
2
6
10
1.0
2.5
3.5
4.5
LTC660 • TPC13
5.5
0.5
0
1.5 2.0
3.0
4.0
5.0
TA = 25°C
BOOST = OPEN
OSC = OPEN
Oscillator Frequency
vs Supply Voltage
SUPPLY VOLTAGE (V)
0
60
50
40
30
20
80
100
10
70
90
1.0
2.5
3.5
4.5
LTC660 • TPC14
5.5
0.5
0
1.5 2.0
3.0
4.0
5.0
TA = 25°C
BOOST = V+
OSC = OPEN
Oscillator Frequency
vs Temperature
TEMPERATURE (
°C)
–60
60
80
100
100
LTC660 • TPC16
40
20
10
70
90
50
30
0
–20
20
60
–40
120
0
40
80
140
V+ = 5V
BOOST = V+
OSC = OPEN
Oscillator Frequency
vs External Capacitance
CAPACITANCE (pF)
00.1
1
100
1000
100
10
1
10000
LTC660 • TPC17
0.1
10
BOOST = V+
BOOST = OPEN



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