LT3493EDCB#PBF Linear Technology, LT3493EDCB#PBF Datasheet - Page 20

• Manufacturer Part Number: LT3493EDCB#PBF
• Description: IC, STEP-DOWN PWM DC/DC CONVERTER, DFN-6
• Manufacturer: Linear Technology

Specifications of LT3493EDCB#PBF

• Primary Input Voltage: 36V
• No. Of Outputs: 1
• Output Current: 1.2A
• No. Of Pins: 6
• Operating Temperature Range: -40°C To +85°C
• Supply Voltage Range: 3.6V To 36V
• Switching Frequency Max: 815kHz
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LT3493
TYPICAL APPLICATION
RELATED PARTS
20
PART NUMBER
LT1766
LT1933
LT1936
LT1940
LT1976
LT3010
LTC3407
LT3430/LT3431
LT3470
Burst Mode is a registered trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
60V, 1.2A I
DC/DC Converter
36V, 600mA I
DC/DC Converter
36V, 1.4A I
DC/DC Converter
25V, Dual 1.4A I
DC/DC Converter
60V, 1.2A I
DC/DC Converter with Burst Mode
80V, 50mA, Low Noise Linear Regulator
Dual 600mA I
DC/DC Converter
60V, 2.75A I
DC/DC Converter
40V, 200mA I
●
FAX: [phone]
OUT
OUT
OUT
OUT
OUT
OUT
OUT
14.5V TO 36V
, 200kHz, High Effi ciency Step-Down
, 500kHz, High Effi ciency Step-Down
, 200kHz, High Effi ciency Step-Down
, 200kHz/500kHz, High Effi ciency Step-Down
OUT
, 500kHz, High Effi ciency Step-Down
, 26μA I
, 1.5MHz, Synchronous Step-Down
ON OFF
, 1.1MHz, High Effi ciency Step-Down
V
IN
Q
, Step-Down DC/DC Converter
●
www.linear.com
1μF
* FOR CONTINUOUS OPERATION ABOVE 30V
®
USE TWO 2k, 0.25Ω RESISTORS IN PARALLEL.
D1: CMDZ5235B
V
SHDN
Operation
IN
LT3493
12V Step-Down Converter
GND
BOOST
SW
FB
MBRM140
0.1μF
COMMENTS
V
TSSOP16/TSSOP16E Packages
V
TSSOP16E Package
V
TSSOP16E Package
V
MS8E Package
V
MS10E Package
V
TSSOP16E Package
0.25W
22μH
IN
IN
IN
IN
IN
IN
1k*
D1
6V
: 5.5V to 60V, V
: 3.6V to 25V, V
: 3.3V to 60V, V
: 1.5V to 80V, V
: 2.5V to 5.5V, V
: 5.5V to 60V, V
71.5k
4.99k
1N4148
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
3493 TA07
4.7μF
V
12V
1A
OUT
= 1.2V, I
= 1.25V, I
= 1.2V, I
= 1.28V, I
= 1.2V, I
© LINEAR TECHNOLOGY CORPORATION 2006
= 0.6V, I
Q
Q
Q
Q
Q
Q
= 2.5mA, I
= 100μA, I
= 2.5mA, I
= 40μA, I
LT 1108 REV B • PRINTED IN USA
= 3.8mA, I
= 30μA, I
SD
SD
SD
SD
SD
SD
< 1μA,
< 1μA,
< 1μA,
= 25μA,
= 30μA,
< 30μA,
3493fb