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LT3570 Datasheet(PDF) 18 Page - Linear Technology

Part No. LT3570
Description  1.5A Buck Converter, 1.5A Boost Converter and LDO Controller
Download  20 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT3570 Datasheet(HTML) 18 Page - Linear Technology

 
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LT3570
18
3570fb
TYPICAL APPLICATIONS
DSL Modem
“Dying Gasp” System
VIN1
SHDN1
SHDN2
SHDN3
SHDN1
SHDN2
SHDN3
SW1
FB1
C8
100nF
C7
1nF
C5
10nF
C2
22μF
C3
2.2μF
VOUT3
3.3V
500mA
R3
118k
VOUT2
5V
R8
25k
R1
105k
VOUT1
8V
250mA
VIN
8V TO 28V
R7
25k
R2
11.5k
R4
22.1k
R5
34.0k
R6
10.7k
3570 TA02
R9
20.0k
C9
10μF
C1
10μF
C6
1nF
10nF
L2
10μH
L1
4.7μH
D2
D3
D1
BOOST
SW2
FB2
SS2
NPN_DRV
FB3
VC2
SS1
VC1
VIN2 VIN3 BIAS
RT
SYNC
LT3570
GND
Q1
VIN1
SHDN1
SHDN2
SHDN3
SW1
FB1
C8
100nF
C7
1nF
C5
10nF
C2
22μF
C3
2.2μF
VOUT3
2.5V
200mA
R3
205k
VOUT2
3.3V
200mA
R8
51k
R1
442k
VOUT1
34V
VIN
12V
R7
20k
R2
10.5k
R4
64.9k
R5
137k
R6
64.9k
3570 TA03
R9
44.2k
C9
10μF
C10
0.1μF
C1
10μF
C6
1nF
C4
10nF
L2
22μH
L1
47μH
D2
D3
D1
BOOST
SW2
FB2
SS2
NPN_DRV
FB3
VC2
SS1
VC1
VIN2 VIN3 BIAS
RT
SYNC
LT3570
GND
Q1


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