LTC1983-5 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1983-5' PDF : 12 Pages View PDF
LTC1983-3/LTC1983-5
TYPICAL PERFOR A CE CHARACTERISTICS
Efficiency vs IOUT (LTC1983-5)
90
80
VIN = 5V
70
VIN = 2.3V
VIN = 3.3V
60
50
40
30
20
10
0
0
TA = 25°C
20
40
60
80 100
IOUT (mA)
1983 G01
Efficiency vs IOUT
100
VOUT = –3V
TA = 25°C
VIN = 3.3V
75
VIN = 5V
50
25
0
0.01
0.1
1
10
100
IOUT (mA)
1983 GO4
Open-Loop Current
vs Temperature (LTC1983-5)
4.9
VIN = 5V
4.7
4.5
4.3
4.1
3.9
3.7
3.5
–40
10
60
TEMPERATURE (°C)
110
1983 G07
Output Impedance vs
Input Voltage
12.5
IOUT = 25mA
12.0
TA = 25°C
11.5
11.0
10.5
10.0
ROUT
9.5
9.0
8.5
8.0
2.35
3.35
4.35
VIN (V)
5.35
1983 TA02
–3VOUT vs IOUT Over Temperature
–2.1
–2.3
120°C
–2.5
–2.7
80°C
–2.9
–3.1
–40°C, 0°C, 40°C
–3.3
–3.5
0
20 40 60 80 100 120
OUTPUT CURRENT (mA)
1983 G05
Open-Loop Input Current
vs VIN (LTC1983-5)
4.5
TA = 25°C
4.0
3.5
3.0
2.5
2.0
1.5
2.3 2.8 3.3 3.3 4.3 4.8
VIN (V)
1983 G09
Output Impedance
vs IOUT (LTC1983-5)
30
TA = 25°C
VIN = 2.3V
25
20
15
VIN = 3.3V
10
5
0
VIN = 5V
20
40
60
80 100
IOUT (mA)
1983 G03
–3VOUT vs IOUT Over Temperature
(VIN = 5V)
3.3
VIN = 5V
3.2
3.1
–40°C 0°C
3.0
40°C
2.9
80°C
2.8
2.7
0
20 40 60 80 100 120
OUTPUT CURRENT (mA)
1983 G06
Burst Mode Current
vs Temperature (LTC1983-3)
50
VIN = 5V
45
40
35
30
25
20
15
10
–40
10
60
TEMPERATURE (°C)
110
1983 G08
1983fa
3
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