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LT1930 Datasheet(PDF) 9 Page - Linear Technology

Part # LT1930
Description  1A, 1.2MHz/2.2MHz, Step-Up DC/DC Converters
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1930 Datasheet(HTML) 9 Page - Linear Technology

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9
LT1930/LT1930A
TYPICAL APPLICATIO S
GND
VIN
SW
SHDN
FB
VIN
3.3V
4
51
3
D1
L1
5.6
µH
2
R1
40.2k
LT1930
1930/A TA07a
C2
10
µF
C1
4.7
µF
R2
13.3k
VOUT
5V
480mA
C1: TAIYO-YUDEN X5R JMK212BJ475MG www.t-yuden.com
C2: TAIYO-YUDEN X5R JMK316BJ106ML
D1: ON SEMICONDUCTOR MBR0520 www.onsemi.com
L1: SUMIDA CR43-5R6 www.sumida.com
OFF ON
LOAD CURRENT (mA)
0
65
70
75
300
500
1930/A TA07b
60
55
50
100
200
400
80
85
90
VIN = 3.3V
VIN = 2.6V
Efficiency
3.3V to 5V Boost Converter
GND
VIN
SW
SHDN
FB
4
51
3
D1
M1
L1
4.7
µH
2
R1
60.4k
R2
11.3k
LT1930
1930/A TA06
C1
2.2
µF
VIN
3V to 6V
C2
22
µF
C3
47pF
VOUT
8V
520mA AT VIN = 6V
240mA AT VIN = 3V
C1: TAIYO-YUDEN X5R LMK432BJ226MM
C2: TAIYO-YUDEN X5R LMK212BJ225MG
D1: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CR43-4R7
M1: SILICONIX Si6433DQ
SHDN
Boost Converter with Reverse Battery Protection
GND
VIN
SW
SHDN
FB
VIN
5V
4
51
3
D1
L1
2.2
µH
2
R1
115k
LT1930A
1930/A TA08a
C2
2.2
µF
C1
2.2
µF
R2
13.3k
VOUT
12V
250mA
C1: TAIYO-YUDEN X5R LMK212BJ225MG
C2: TAIYO-YUDEN X5R EMK316BJ225ML
D1: ON SEMICONDUCTOR MBR0520
L1: MURATA LQH3C2R2M24
SHDN
LOAD CURRENT (mA)
0
65
70
75
150
250
1930/A TA08b
60
55
50
50
100
200
80
85
90
300
VIN = 5V
VOUT = 12V
5V to 12V, 250mA Step-Up Converter
Efficiency



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