参数资料
型号: LT1300CS8#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.75 A SWITCHING REGULATOR, 155 kHz SWITCHING FREQ-MAX, PDSO8
封装: SOIC-8
文件页数: 3/8页
文件大小: 219K
代理商: LT1300CS8#TR
3
LT1300
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
No-Load Battery Current
Total Quiescent Current
in Shutdown
SWITCH CURRENT (A)
0
0.1
V
CESAT
(mV)
150
125
200
175
250
225
0.8 0.9
LT1300 G5
100
75
50
25
0
0.2 0.3 0.4 0.5 0.6 0.7
1
Maximum Output Current
vs Input Voltage
Maximum Output Current
vs Input Voltage
200
s/DIV
0
Transient Response
VIN = 2V, VOUT = 5V
Startup Response
VCESAT vs ISW
Efficiency
Shutdown Pin Bias Current
VOUT
100mV/DIV
AC COUPLED
VOUT
1V/DIV
VSHDN
10V/DIV
LT1300 G8
SHUTDOWN VOLTAGE (V)
0
SHUTDOWN
CURRENT
(A)
2
6
8
10
20
14
2
4
5
LT1300 G4
4
16
18
12
13
6
7
8
TA = 25°C
LOAD CURRENT (mA)
1
74
EFFICIENCY
(%)
76
78
80
82
10
100
1000
LT1300 G1
72
70
68
66
84
86
88
VIN = 3V
VIN = 2V
VIN = 2.5V
VOUT = 3.3V
L = 10H
INPUT VOLTAGE (V)
1.4
INPUT
CURRENT
(A)
150
145
160
155
170
165
3.0
2.8
LT1300 G2
140
135
130
125
120
1.8
1.6
2.2
2.0
2.6
2.4
3.4
3.2
VOUT = 5V
VOUT = 3.3V
INPUT VOLTAGE (V)
0
I SHDN
+
I
VIN
+
I
SENSE
(A)
40
50
60
8
LT1300 G3
30
20
0
2
4
6
10
80
70
1
3
5
7
INPUT VOLTAGE (V)
1.5
OUTPUT
CURRENT
(mA)
500
600
700
34
LT1300 G6
400
300
2
2.5
3.5
4.5
200
100
0
VOUT = 5V,
ILIM FLOATING
L = 22H
COILCRAFT
DO3316-223
L = 10H
COILCRAFT
DO1608-103
INPUT VOLTAGE (V)
1.5
0
LOAD
CURRENT
(mA)
100
300
400
500
2.5
3
3.5
900
LT1300 G7
200
2
600
700
800
L = 10H
VOUT = 3.3V
ILIM FLOATING
VOUT = 5V
RLOAD = 20
LT1300 G9
500
s/DIV
200mA
ILOAD
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