LT1300 查看數據表（PDF） - Linear Technology
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LT1300 Datasheet PDF : 8 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1300
Efficiency
88
86
VOUT = 3.3V
L = 10µH
84
82
80
VIN = 3V
VIN = 2.5V
78
76
VIN = 2V
74
72
70
68
66
1
10
100
LOAD CURRENT (mA)
1000
LT1300 G1
No-Load Battery Current
170
165
VOUT = 5V
160
155
150
145
VOUT = 3.3V
140
135
130
125
120
1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4
INPUT VOLTAGE (V)
LT1300 G2
Shutdown Pin Bias Current
20
18 TA = 25°C
16
14
12
10
8
6
4
2
0
01 2 34 56 7 8
SHUTDOWN VOLTAGE (V)
LT1300 G4
VCESAT vs ISW
250
225
200
175
150
125
100
75
50
25
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
SWITCH CURRENT (A)
LT1300 G5
Maximum Output Current
vs Input Voltage
900
VOUT = 3.3V
800 ILIM FLOATING
700
Transient Response
VIN = 2V, VOUT = 5V
VOUT
100mV/DIV
AC COUPLED
600
L = 10µH
500
400
300
ILOAD 200mA
0
200µs/DIV
200
100
0
1.5
2
2.5
3
3.5
INPUT VOLTAGE (V)
LT1300 G7
LT1300 G8
Total Quiescent Current
in Shutdown
80
70
60
50
40
30
20
10
0
0 1 2 34 5 6 78
INPUT VOLTAGE (V)
LT1300 G3
Maximum Output Current
vs Input Voltage
700
VOUT = 5V,
600 ILIM FLOATING
500
L = 22µH
COILCRAFT
400
DO3316-223
L = 10µH
COILCRAFT
DO1608-103
300
200
100
0
1.5
2 2.5 3 3.5 4 4.5
INPUT VOLTAGE (V)
LT1300 G6
Startup Response
VOUT
1V/DIV
VSHDN
10V/DIV
VOUT = 5V
RLOAD = 20Ω
500µs/DIV
LT1300 G9
3
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