LT1933
20
1933fe
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0409 REV E • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT1074/LT1074HV 4.4A I
OUT
, 100kHz, High Effi ciency Step-Down DC/DC
Converter
V
IN
: 7.3V to 45V/64V, V
OUT(MIN)
= 2.21V, I
Q
= 8.5mA, I
SD
= 10µA,
DD-5/DD-7, TO220-5/TO220-7 Packages
LT1076/LT1076HV 1.6A I
OUT
, 100kHz, High Effi ciency Step-Down DC/DC
Converter
V
IN
: 7.3V to 45V/64V, V
OUT(MIN)
= 2.21V, I
Q
= 8.5mA, I
SD
= 10µA,
DD-5/DD-7, TO220-5/TO220-7 Packages
LT1676 60V, 440mA I
OUT
, 100kHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 7.4V to 60V, V
OUT(MIN)
= 1.24V, I
Q
= 3.2mA, I
SD
= 2.5µA,
S8 Package
LT1765 25V, 2.75mA I
OUT
, 1.25MHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 3V to 25V, V
OUT(MIN)
= 1.2V, I
Q
= 1mA, I
SD
= 15µA,
S8, TSSOP16E Packages
LT1766 60V, 1.2A I
OUT
, 200kHz, High Effi ciency Step-Down DC/DC
Converter
V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= 25µA,
S8, TSSOP16/TSSOP16E Packages
LT1767 25V, 1.2A I
OUT
, 1.25MHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 3V to 25V, V
OUT(MIN)
= 1.2V, I
Q
= 1mA, I
SD
= 6µA,
S8, MS8/MS8E Packages
LT1776 40V, 550mA I
OUT
, 200kHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 7.4V to 40V, V
OUT(MIN)
= 1.24V, I
Q
= 3.2mA, I
SD
= 30µA,
S8, N8, S8 Packages
LT1940 25V, Dual 1.4A I
OUT
, 1.1MHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 3.6V to 25V, V
OUT(MIN)
= 1.25V, I
Q
= 3.8mA, I
SD
< 30µA,
TSSOP16E Package
LT1956 60V, Dual 1.2A I
OUT
, 500kHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= 25µA,
TSSOP16/TSSOP16E Packages
LT1976 60V, Dual 1.2A I
OUT
, 200kHz, High Effi ciency Step-Down
DC/DC Converter with Burst Mode
®
V
IN
: 3.3V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 100µA, I
SD
< 1µA,
TSSOP16E Package
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 Package
LT3407 Dual 600mA I
OUT
, 1.5MHz, Synchronous Step-Down
DC/DC Converter
V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40µA, I
SD
< 1µA,
MS10E Package
LT3412 2.5A I
OUT
, 4MHz, Synchronous Step-Down DC/DC
Converter
V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60µA, I
SD
< 1µA,
TSSOP16E Package
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 Package
LT3430/LT3431 60V, 2.75A I
OUT
, 200kHz/500kHz, Synchronous Step-Down
DC/DC Converter
V
IN
: 5.5V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= 30µA,
TSSOP16E Package
Burst Mode is a registered trademark of Linear Technology Corporation.
2.5V Step-Down Converter
V
IN
3.6V TO 36V
OFF ON
C3
0.47µF
D2
L1
15µH
R2
10k
R1
10.5k
C1
22µF
1933 TA03
C2
2.2µF
V
OUT
2.5V/500mA
V
IN
BOOST
GND FB
SHDN SW
LT1933
D1
