lt3493edcb-3 Linear Technology Corporation, lt3493edcb-3 Datasheet - Page 20

• Manufacturer Part Number: lt3493edcb-3
• Description: 1.2a, 750khz Step-down Switching Regulator In 2mm X 3mm Dfn
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO
LT3493-3
RELATED PARTS
PART NUMBER
LT1766
LT1767
LT1933
LT1936
LT1940
LT1976/LT1977
LT3434/LT3435
LT3437
LT3481
LT3493
LT3505
LT3506/LT3506A
Burst Mode is a registered trademark of Linear Technology Corporation.
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
60V, 1.2A I
DC/DC Converter
25V, 1.2A I
DC/DC Converter
500mA I
in SOT-23
36V, 1.4A I
DC/DC Converter
Dual 25V, 1.4A I
DC/DC Converter
60V, 1.2A I
DC/DC Converter with Burst Mode
60V, 2.4A I
DC/DC Converter with Burst Mode Operation
60V, 400mA I
with Burst Mode Operation
34V, 2A I
Converter with I
36V, 1.4A I
DC/DC Converter
36V, 1.2A I
DC/DC Converter
Dual 25V, 1.6A I
Step-Down DC/DC Converter
●
FAX: [phone]
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
, 500kHz Step-Down Switching Regulator
, 3MHz, MicroPower Step-Down DC/DC
OUT
, 200kHz, High Efficiency Step-Down
, 1.2MHz, High Efficiency Step-Down
, 500kHz, High Efficiency Step-Down
, 200kHz to 500kHz, High Efficiency Step-Down V
, 200kHz to 500kHz, High Efficiency Step-Down V
, 750MHz, High Efficiency Step-Down
, 750kHz, High Efficiency Step-Down
Q
14.5V TO 36V
OUT
OUT
, MicroPower Step-Down DC/DC Converter
= 50µA
, 1.1MHz, High Efficiency Step-Down
, 575kHz to 1.1MHz, High Efficiency
ON OFF
U
V
IN
●
www.linear.com
®
1µF
*FOR CONTINUOUS OPERATION ABOVE 30V
Operation
USE TWO 2k, 0.25W RESISTORS IN PARALLEL.
D1: CMDZ5235B
V
SHDN
IN
LT3493-3
12V Step-Down Converter
GND
BOOST
SW
FB
0.1µF
MBRM140
COMMENTS
V
TSSOP16 and TSSOP16E Packages
V
MS8E Package
V
ThinSOT Package
V
MS8E Package
V
TSSOP16E Package
TSSOP16E Package
TSSOP16E Package
V
3mm × 3mm DFN-10 and TSSOP16E Packages
V
3mm × 3mm DFN-10 and MS10E Packages
V
2mm × 3mm DFN Package
V
3mm × 3mm DFN-8 and MS8E Packages
V
4mm × 5mm DFN-16 Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 5.5V to 60V, V
: 3V to 25V, V
: 3.6V to 36V, V
: 3.6V to 36V, V
: 3.6V to 25V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.3V to 34V, V
: 3.6V to 36V, V
: 3.6V to 36V, V
: 3.6V to 25V, V
0.25W
22µH
D1
1k*
6V
1N4148
71.5k
4.99k
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
3493-3 TA07
= 1.2V, I
4.7µF
V
12V
1A
= 1.25V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.265V, I
= 0.8V, I
= 0.8V, I
= 0.8V, I
OUT
© LINEAR TECHNOLOGY CORPORATION 2006
Q
Q
= 1mA, I
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 2.5mA, I
= 1.6mA, I
= 1.9mA, I
= 3.5mA, I
= 100µA, I
= 100µA, I
= 1.9mA, I
= 1.9mA, I
= 3.8mA, I
Q
= 100µA, I
= 50µA, I
SD
LT 0906 • PRINTED IN USA
= 6µA,
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
= 25µA,
= <1µA,
= <1µA,
= 1µA,
= 1µA,
= 1µA,
= <30µA,
= 1µA,
= <30µA,
= <1µA,
= 1µA,
3493-3f