LT1300 Linear Technology, LT1300 Datasheet - Page 3
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LT1300
Manufacturer Part Number
LT1300
Description
Micropower High Efficiency 3.3/5V Step-Up DC/DC Converter
Manufacturer
Linear Technology
Datasheet
1.LT1300.pdf
(8 pages)
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TYPICAL PERFORMANCE CHARACTERISTICS
600
500
400
200
900
800
700
300
100
20
18
16
14
12
10
88
86
84
82
80
78
76
74
72
70
68
66
0
8
6
4
2
0
1.5
1
Maximum Output Current
vs Input Voltage
0
Efficiency
Shutdown Pin Bias Current
V
T
V OUT = 3.3V
I LIM FLOATING
OUT
L = 10µH
A
= 25°C
V
1
IN
= 3.3V
= 3V
SHUTDOWN VOLTAGE (V)
2
2
LOAD CURRENT (mA)
L = 10µH
INPUT VOLTAGE (V)
10
3
V
IN
2.5
4
= 2.5V
V
IN
5
= 2V
100
6
3
W
LT1300 G7
LT1300 G1
7
LT1300 G4
U
1000
3.5
8
AC COUPLED
I
LOAD
100mV/DIV
200mA
V
170
165
160
155
140
135
130
125
120
150
145
250
225
200
175
100
150
125
OUT
50
25
75
0
0
1.4
No-Load Battery Current
V
0 0.1
Transient Response
V
CESAT
IN
1.6
= 2V, V
V
V
OUT
OUT
1.8
0.2 0.3 0.4 0.5 0.6 0.7
vs I
= 3.3V
= 5V
2.0
SWITCH CURRENT (A)
INPUT VOLTAGE (V)
SW
OUT
2.2
200 s/DIV
= 5V
2.4
2.6
2.8
3.0
0.8 0.9
LT1300 G8
3.2
LT1300 G2
LT1300 G5
3.4
1
10V/DIV
V
1V/DIV
V
SHDN
700
600
100
500
400
300
200
OUT
80
70
60
50
40
30
20
10
0
0
1.5
Total Quiescent Current
in Shutdown
0
Maximum Output Current
vs Input Voltage
Startup Response
V
R
OUT
LOAD
V
I
LIM
OUT
= 5V
1
FLOATING
= 20
= 5V,
2
DO3316-223
COILCRAFT
2
L = 22µH
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2.5
3
500 s/DIV
4
3
LT1300
L = 10µH
COILCRAFT
DO1608-103
5
3.5
6
4
LT1300 G3
LT1300 G6
7
LT1300 G9
3
4.5
8