Datasheet

LT3988
19
3988f
Typical applicaTions
400kHz, 5V and 3.3V Outputs
C2
2200pF
R2
57.6k
R4
34k
L1
22µH
V
OUT1
5V, 1A
V
OUT2
3.3V, 1A
C4
0.22µF
C6
47µF
3988 TA02
R3
10.2k
C3
2200pF
f
SW
= 400kHz
C1 TO C7: X5R OR X7R
D1, D2: DIODES, INC. B160
L2
15µH
C5
0.22µF
D1 D2
C7
47µF
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
118k
RT
V
IN
7V TO 40V
80V TRANSIENT
C1
4.7µF