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LTC1144 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC1144
Description  Switched-Capacitor Wide Input Range Voltage Converter with Shutdown
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1144 Datasheet(HTML) 4 Page - Linear Technology

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LTC1144
4
1144fa
For more information www.linear.com/LTC1144
Typical perForMance characTerisTics
Oscillator Frequency as a
Function of COSC
Oscillator Frequency
vs Temperature
Output Voltage vs Load Current
Output Voltage vs Load Current
Supply Current as a Function of
Oscillator Frequency
Power Conversion Efficiency and
Supply Current vs Load Current
Output Resistance
vs Supply Voltage
Output Resistance vs
Temperature
Oscillator Frequency
vs Supply Voltage
SUPPLY VOLTAGE (V)
2
0
50
100
150
200
6
10
14
18
LTC1144 • TPC01
250
300
4
8
12
16
TA = 25°C
EXTERNAL CAPACITANCE (PIN 7 TO GND), COSC (pF)
1
1
10
10000
LTC1144 • TPC04
0.1
0.01
10
100
1000
1000
100
TA = 25°C
V+ = 15V
BOOST = OPEN OR GROUND
BOOST = V+
LOAD CURRENT (mA)
0
–5
–4
–3
–2
–1
0
5
10
15
20
LTC1144 • TPC07
25
30
TA = 25°C
V+ = 5V
C1 = C2 = 10µF
BOOST = OPEN
ROUT = 90
TEMPERATURE (°C)
–55
100
120
140
25
75
LTC1144 • TPC02
80
60
–25
0
50
100
125
40
20
V+ = 5V
IL = 3mA
V+ = 15V
IL = 20mA
TEMPERATURE (°C)
–55 –25
10
100
1000
0
25
50
75
100 125
LTC1144 • TPC05
1
BOOST = V+
BOOST = OPEN OR GROUND
TA = 25°C
V+ = 15V
OSCILLATOR FREQUENCY (kHz)
0.01
100
1000
100
LTC1144 • TPC08
10
1
0.1
1
10
10000
TA = 25°C
C1 = C2 = 10µF
V+ = 15V
V+ = 5V
SUPPLY VOLTAGE (V)
2
10
100
1000
6
10
14
4
8
12
16
18
LTC1144 • TPC03
1
TA = 25°C
COSC = 0
BOOST = V+
BOOST = OPEN OR GROUND
LOAD CURRENT (mA)
0
–15
–10
–5
0
10
20
30
40
LTC1144 • TPC06
50
60
TA = 25°C
V+ = 15V
C1 = C2 = 10µF
BOOST = OPEN
ROUT = 56Ω
LOAD CURRENT (mA)
0
60
80
100
40
LTC1144 • TPC09
40
20
0
60
80
100
40
20
0
10
20
30
50
PEFF
IS
TA = 25°C
V+ = 15V
C1 = C2 = 10µF
BOOST = OPEN
(SEE TEST CIRCUIT)



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