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LTC3124 Datasheet(PDF) 25 Page - Linear Technology

Part # LTC3124
Description  15V, 5A 2-Phase Synchronous Step-Up DC/DC Converter with Output Disconnect
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3124 Datasheet(HTML) 25 Page - Linear Technology

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LTC3124
25
3124f
For more information www.linear.com/LTC3124
TYPICAL APPLICATIONS
1.8V to 5.5V Input to 15V Output, 500kHz Synchronous Boost
Converter with Output Disconnect, 300mA
Single Li Cell to 12V, 1MHz Synchronous Boost Converter
with Output Disconnect, 800mA
C1
100nF
VOUT
15V
300mA
COUT
22µF
×2
LB
10µH
LA
10µH
VIN
1.8V TO 5.5V
SWB
CAP
PGNDB
VOUTB
SWA
LTC3124
CC
3.3nF
CF
100pF
3124 TA06a
CVCC
4.7µF
CIN
10µF
R1
1.3M
R2
113k
RC
49.9k
RT
57.6k
C1: 100nF, 16V, X7R, 0805
CIN: 10µF, 10V, X7R, 1206
COUT: 22µF ×2, 16V, X7R, 1210
CVCC: 4.7µF, 10V, X7R, 1206
LA, LB: WÜRTH WE-HCI 7443251000
OFF ON
VIN
SGND
PWM/SYNC
SD
VCC
FB
RT
VC
PGNDA
VOUTA
Efficiency
VIN (V)
1.5
90
95
100
3
4
5.5
3124 TA06b
85
80
75
2
2.5
3.5
4.5
5
OUTPUT CURRENT = 300mA
C1
100nF
VOUT
12V
800mA
COUT
22µF
×2
LB
5.6µH
LA
5.6µH
VIN
2.7V TO 4.2V
SWB
CAP
PGNDB
VOUTB
SWA
LTC3124
CC
680pF
CF
47pF
3124 TA08
CVCC
4.7µF
CIN
10µF
R1
1.02M
R2
113k
RC
88.7k
RT
28k
C1: 100nF, 16V, X7R, 0805
CIN: 10µF, 10V, X7R, 1206
COUT: 22µF ×2, 16V, X7R, 1210
CVCC: 4.7µF, 10V, X7R, 1206
LA, LB: COILCRAFT XAL5050-562ME
OFF ON
VIN
SGND
PWM/SYNC
SD
VCC
FB
RT
VC
PGNDA
VOUTA



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