16
LT3433
3433f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2003
LT/TP 0504 1K • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1076/LT1076HV 1.6A (I
OUT
), 100kHz High Efficiency Step-Down DC/DC Converters V
IN
: 7.3V to 45V/64V, V
OUT(MIN)
= 2.21V, I
Q
= 8.5mA,
I
SD
< 10µA, DD5/DD7, TO220-5/TO220-7
LT1676 60V, 440mA (I
OUT
), 100kHz High Efficiency Step-Down V
IN
: 7.4V to 60V, V
OUT(MIN)
= 1.24V, I
Q
= 3.2mA,
DC/DC Converter I
SD
< 2.5µA, SO-8
LT1765 25V, 2.75A (I
OUT
), 1.25MHz High Efficiency Step-Down V
IN
: 3V to 25V, V
OUT(MIN)
= 1.20V, I
Q
= 1mA,
DC/DC Converter I
SD
< 15µA, SO-8, TSSOP16E
LT1766/LT1956 60V, 1.2A (I
OUT
), 200kHz/500kHz High Efficiency Step-Down V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.20V, I
Q
= 2.5mA,
DC/DC Converters I
SD
< 25µA, TSSOP16/TSSOP16E
LT1767 25V, 1.2A (I
OUT
), 1.25MHz High Efficiency Step-Down V
IN
: 3V to 25V, V
OUT(MIN)
= 1.20V, I
Q
= 1mA,
DC/DC Converter I
SD
< 6µA, MS8/MS8E
LT1776 40V, 550mA (I
OUT
), 200kHz High Efficiency Step-Down V
IN
: 7.4V to 40V, V
OUT(MIN)
= 1.24V, I
Q
= 3.2mA,
DC/DC Converter I
SD
< 30µA, N8, SO-8
LT1976 60V, 1.2A (I
OUT
), 200kHz High Efficiency Micropower (I
Q
< 100µA) V
IN
: 3.3V to 60V, V
OUT(MIN)
= 1.20V, I
Q
= 100µA,
Step-Down DC/DC Converter I
SD
< 1µA, TSSOP16E
LT3010 80V, 50mA Low Noise Linear Regulator V
IN
: 1.5V to 80V, V
OUT(MIN)
= 1.28V, I
Q
= 30µA,
I
SD
< 1µA, MS8E
LTC3412/LTC3414 2.5A (I
OUT
), 4MHz Synchronous Step-Down DC/DC Converters V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60µA,
I
SD
< 1µA, TSSOP16E
LTC3414 4A (I
OUT
), 4MHz Synchronous Step-Down DC/DC Converter V
IN
: 2.3V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 64µA,
I
SD
< 1µA, TSSOP20E
LTC3727/LTC3727-1 36V, 500kHz High Efficiency Step-Down DC/DC Controllers V
IN
: 4V to 36V, V
OUT(MIN)
= 0.8V, I
Q
= 670µA,
I
SD
< 20µA, QFN32, SSOP28
LT3430/LT3431 60V, 2.75A (I
OUT
), 200kHz/500kHz High Efficiency Step-Down V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.20V, I
Q
= 2.5mA,
DC/DC Converters I
SD
< 30µA, TSSOP16E
LTC3440/LTC3441 600mA/1.2A (I
OUT
), 2MHz/1MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25µA,
with 95% Efficiency I
SD
< 1µA, MS10
TYPICAL APPLICATIO
U
V
BST
SW_H
V
IN
BURST_EN
V
C
V
FB
SW_L
PWRGND
V
OUT
V
BIAS
SHDN
SS
SGND
LT3433
D1
1N4148
C1
0.1µF
C6 100pF
R2
510k
5%
R1
2.2M
5%
V
IN
4V TO 60V
3433 TA02
C2
0.1µF
C3
10µF
D2
1N4148
L1
33µH
COILCRAFT LPO1704-333
D
S2
B120A
C5
2.2µF
V
OUT
5V
10mA
2.2µF
D
S1
B160A
LT1761-5
GND
OUTIN
BYPSHDN
C4
0.01µF
Burst Only Low Noise 5V Maintenance Supply
