Datasheet

LT3988
21
3988f
Typical applicaTions
700kHz, 24V and 12V Outputs with Coincident Tracking
C3
2200pF
R5
309k
R7
150k
L1
47µH
V
OUT1
24V, 1A
V
OUT2
12V, 1A
C4
0.22µF
C6
10µF
3988 TA04
R6
10k
f
SW
= 700kHz
C1 TO C7: X5R OR X7R
D1, D2: DIODES, INC. B160
R4: USE 0.25W RESISTOR
DERATE OUTPUT CURRENT AT HIGHER AMBIENT TEMPERATURES AND INPUT VOLTAGES
TO MAINTAIN JUNCTION TEMPERATURE BELOW THE ABSOLUTE MAXIMUM.
L2
22µH
C5
0.22µF
D1 D2
C7
10µF
R8
10k
R3
309k
R2
10k
FB1
DA1
SW1
BOOST1
SYNC
TRACK/SS1
FB2
DA2
SW2
BOOST2
TRACK/SS2 BD
EN/UVLO
GND
V
IN1
V
IN2
LT3988
R1
61.9k
RT
V
IN1
26V TO 60V
80V TRANSIENT
C1
4.7µF
C2
4.7µF
V
IN2
14V TO 60V
R4
4.7k