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LT3988
20
3988f
Typical applicaTions
1MHz, Wide Input Range 5V and 1.8V Outputs
C2
2200pF
R2
57.6k
R4
14k
L1
6.8µH
V
OUT1
5V, 0.5A
V
OUT2
1.8V, 0.5A
C4
0.22µF
C6
22µF
3988 TA03
R3
10.2k
C3
2200pF
f
SW
= 1MHz
C1 TO C7: X5R OR X7R
D1: DIODES, INC. B160
D2: DIODES, INC. B120
L2
3.3µH
C5
0.22µF
D1 D2
C7
22µF
R5
10k
FB1
DA1
SW1
BOOST1
SYNC
TRACK/SS1
FB2
DA2
SW2
BOOST2
BD
TRACK/SS2
EN/UVLO
GND
V
IN1
V
IN2
LT3988
R1
40.2k
RT
V
IN
7V TO 24V
80V TRANSIENT
C1
4.7µF
4.7µF
V
OUT1
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