LT3667
34
3667fb
For more information www.linear.com/LT3667
LINEAR TECHNOLOGY CORPORATION 2014
LT 1114 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT3667
EN2/ILIM2 EN3/ILIM3
GND
IN3
LT3667
BOOST
SW
DA
FB1
BD
OUT3
FB3
3667 TA07
EN
IN1
UVLO1
RT
OUT2
f = 600kHz
FB2
*DERATE OUTPUT CURRENT AT HIGHER AMBIENT TEMPERATURES
AND INPUT VOLTAGES TO MAINTAIN JUNCTION TEMPERATURE
BELOW THE ABSOLUTE MAXIMUM
51mA*
IN2
C1
2.2µF
C2
0.22µF
D1
DFLS160
C8
22pF
L1
22µH
R1
931k
5V
400mA
3.3V*
200mA
R2
249k
R5
6.19k
C1-C7: X5R OR X7R
L1: CDRH4D22/HP
R3
499k
R4
158k
R
T
174k
V
IN
*
6V TO 40V
C7
1µF
C6
1µF
C3
22µF
C9
47nF
C5
10µF
C4
10µF
5V, 3.3V and 51mA Regulator
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