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LTC3499 Datasheet(PDF) 13 Page - Linear Technology

Part # LTC3499
Description  750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3499 Datasheet(HTML) 13 Page - Linear Technology

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LTC3499/LTC3499B
13
3499f
L
4.7
µH
3499 F04a
LTC3499
SW
FB
GND
VIN
VOUT
SHDN
VC
SS
OFF
ON
COUT
10
µF
X5R
VOUT
5V
350mA
CIN: TAIYO YUDEN X5R JMK212BJ225MD
COUT: TAIYO YUDEN X5R JMK212BJ106MD
L: COILCRAFT MSS5131-472MLB
VIN
Li-Ion
3.1V TO 4.2V
1M
324k
0.01
µF
330pF
100k
CIN
2.2
µF
X5R
+
TYPICAL APPLICATIO S
Lithium-Ion to 5V, 350mA
Lithium-Ion to 5V Efficiency
Two Cells to 5V, 175mA
Two Cells to 5V Efficiency
L
4.7
µH
3499 F05a
LTC3499
SW
FB
GND
VIN
VOUT
SHDN
VC
SS
OFF
ON
COUT
10
µF
X5R
VOUT
5V
175mA
VIN
2 AA CELLS
1.8V TO 3.2V
1M
324k
0.01
µF
330pF
100k
CIN
2.2
µF
X5R
+
CIN: TAIYO YUDEN X5R JMK212BJ225MD
COUT: TAIYO YUDEN X5R JMK212BJ106MD
L: COILCRAFT MSS5131-472MLB
LOAD CURRENT (mA)
0.1
70
80
100
100
3499 G03
60
50
1
10
1000
40
30
90
100
1000
100000
10
1
0.1
10000
VIN = 4.2V
VIN = 3.6V
VIN = 3V
POWER LOSS
EFFICIENCY
LOAD CURRENT (mA)
0.1
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
100000
1
10
100
1000
3499 G01
VIN = 3.2V
VIN = 2.4V
VIN = 1.8V
POWER LOSS
EFFICIENCY



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