LTC1044AI(Rev0) 데이터 시트보기 (PDF) - Linear Technology
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LTC1044AI Datasheet PDF : 12 Pages
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LTC1044A
TYPICAL PERFOR A CE CHARACTERISTICS Using the Test Circuit
Output Resistance
vs Supply Voltage
1000
TA = 25°C
IL = 3mA
COSC = 100pF
100
COSC = 0pF
10
0 1 2 3 4 5 6 7 8 9 10 11 12
SUPPLY VOLTAGE (V)
LTC1044A • TPC09
Output Voltage
vs Load Current, V + = 10V
10
8
TA = 25°C
fOSC = 20kHz
6
4
2
0
–2
–4
–6
SLOPE = 45Ω
–8
–10
0 10 20 30 40 50 60 70 80 90 100
LOAD CURRENT (mA)
LTC1044A • TPC12
Oscillator Frequency as a
Function of COSC, V+ = 10V
100k
V+ = 10V
TA = 25°C
10k
PIN 1 = V+
PIN 1 = OPEN
1k
100
Output Voltage
vs Load Current, V+ = 2V
2.5
2.0
TA = 25°C
fOSC = 1kHz
1.5
1.0
0.5
0
SLOPE = 250Ω
– 0.5
–1.0
–1.5
–2.0
–2.5
0 1 2 3 4 5 6 7 8 9 10
LOAD CURRENT (mA)
LTC1044A • TPC10
Output Resistance
vs Temperature
400
360
C1 = C2 = 10µF
320
280
V+ = 2V, fOSC = 1kHz
240
200
160
120
V+ = 5V, fOSC = 5kHz
80
40
0
–55 –25
V+ = 10V, fOSC = 20kHz
0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
LTC1044A • TPC13
Oscillator Frequency
vs Supply Voltage
100k
TA = 25°C
COSC = 0pF
10k
1k
10
1
10
100
1000 10000
EXTERNAL CAPACITOR (PIN 7 TO GND)(pF)
LTC1044A • TPC15
0.1k
0 1 2 3 4 5 6 7 8 9 10 11 12
SUPPLY VOLTAGE (V)
LTC1044A • G16
Output Voltage
vs Load Current, V+ = 5V
5
4
TA = 25°C
fOSC = 5kHz
3
2
1
0 SLOPE = 80Ω
–1
–2
–3
–4
–5
0 10 20 30 40 50 60 70 80 90 100
LOAD CURRENT (mA)
LTC1044A • TPC11
Oscillator Frequency as a
Function of COSC, V + = 5V
100k
TA = 25°C
PIN 1 = V+
10k
1k
PIN 1 = OPEN
100
10
1
10
100
1000 10000
EXTERNAL CAPACITOR (PIN 7 TO GND)(pF)
LTC1044A • TPC14
Oscillator Frequency
vs Temperature
35
30
COSC = 0pF
25
V+ = 10V
20
15
10
V+ = 5V
5
0
–55 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
LTC1044A • TPC17
4
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