LTM2883C データシートの表示（PDF） - Linear Technology
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LTM2883C
Linear Technology
LTM2883C Datasheet PDF : 36 Pages
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LTM2883
Typical Performance Characteristics TA = 25°C, LTM2883-3 VCC = 3.3V,
LTM2883-5 VCC = 5V, VL = 3.3V, GND = GND2 = 0V, ON = VL unless otherwise noted.
VCC2 Load Regulation
vs Temperature
5.20
LTM2883-3
5.15
VI+C=C
=
I–
3.3V
= 0A
5.10
V+ Load Regulation
vs Temperature
12.8
I+ = 1mA
I+ = 5mA
12.7
I+ = 10mA
I+ = 15mA
I+ = 20mA
12.6
V– Load Regulation
vs Temperature
–12.2
–12.3
I– = 1mA
I– = 15mA
–12.4
LTM2883-3
VCC
ICC2
=
=
3.3V
I+ = 0A
5.05
12.5
–12.5
5.00
12.4
–12.6
4.95
4.90
–50
ICC2 = 1mA
ICC2 = 20mA
–25 0 25 50 75
TEMPERATURE (°C)
100 125
2883 G10
12.3
12.2
–50 –25
LTM2883-3
VCC
ICC2
=
=
3.3V
I– =
0A
0 25 50 75
TEMPERATURE (°C)
100 125
2883 G12
–12.7
–12.8
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2883 G14
VCC2 Load Regulation
vs Temperature
5.20
LTM2883-5
5.15
VI+C=C
=
I–
5V
= 0A
5.10
5.05
5.00
4.95
4.90
–50
ICC2 = 1mA
ICC2 = 20mA
–25 0 25 50 75
TEMPERATURE (°C)
100 125
2883 G11
V+ Load Regulation
vs Temperature
12.7
I+ = 1mA
I+ = 5mA
12.6
I+ = 10mA
I+ = 15mA
I+ = 20mA
12.5
12.4
12.3
12.2
12.1
–50 –25
LTM2883-5
VCC
ICC2
=
=
5V
I– =
0A
0 25 50 75
TEMPERATURE (°C)
100 125
2883 G13
V– Load Regulation
vs Temperature
–12.2
I– = 1mA
I– = 20mA
–12.3
LTM2883-5
VCC
ICC2
=
=
5V
I+ =
0A
–12.4
–12.5
–12.6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2883 G15
VCC2 Efficiency
60
0.6
LTM2883-3, VCC = 3.3V
LTM2883-5, VCC = 5V
50
0.5
40
0.4
EFFICIENCY
30
0.3
20
0.2
POWER LOSS
10
0.1
I+ = I– = 0A
0
0
0
10
20
30
40
LOAD CURRENT (mA)
2883 G16
VCC2 Voltage and ICC Current
vs Load Current
6 I+ = I– = 0A
150
5
125
VOLTAGE
4
100
3
ICC CURRENT
75
2
50
1
25
LTM2883-3, VCC = 3.3V
LTM2883-5, VCC = 5V
0
0
0
10
20
30
40
LOAD CURRENT (mA)
2883 G17
2883f
8
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