LT3640EFE LINER [Linear Technology], LT3640EFE Datasheet - Page 24

• Manufacturer Part Number: LT3640EFE
• Description: Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer
• Manufacturer: LINER [Linear Technology]

LT3640
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LT1933
LT1936
LT1940
LT1976/LT1967
LT3434/LT3435
LT3437
LT3480
LT3481
LT3493
LT3505
LT3508
LT3680
LT3684
LT3685
LT3693
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
500mA (I
36V, 1.4A (I
Converter
Dual 25V, 1.4A (I
Converter
60V, 1.2A (I
DC/DC Converters with Burst Mode Operation
60V, 2.4A (I
DC/DC Converters with Burst Mode Operation
60V, 400mA (I
Burst Mode Operation
36V with Transient Protection to 60V, 2A (I
Effi ciency Step-Down DC/DC Converter with Burst Mode Operation
34V with Transient Protection to 36V, 2A (I
Effi ciency Step-Down DC/DC Converter with Burst Mode Operation
36V, 1.4A (I
DC/DC Converter
36V with Transient Protection to 40V, 1.4A (I
High Effi ciency Step-Down DC/DC Converter
36V with Transient Protection to 40V, Dual 1.4A (I
High Effi ciency Step-Down DC/DC Converter
36V, 3.5A, 2.4MHz, Low Quiescent Current (<75μA) Step-Down
DC/DC Converter
34V with Transient Protection to 36V, 2A (I
High Effi ciency Step-Down DC/DC Converter
36V with Transient Protection to 60V, Dual 2A (I
High Effi ciency Step-Down DC/DC Converter
36V, 3.5A, 2.4MHz, Step-Down DC/DC Converter
●
OUT
FAX: [phone]
4V TO 34V
OUT
OUT
OUT
OUT
), 500kHz Step-Down Switching Regulator in SOT-23
OUT
), 500kHz, High Effi ciency Step-Down DC/DC
), 200kHz/500kHz, High Effi ciency Step-Down
), 200kHz/500kHz, High Effi ciency Step-Down
), 750kHz High Effi ciency Step-Down
V
OUT
IN
), Micropower Step-Down DC/DC Converter with
), 1.1MHz, High Effi ciency Step-Down DC/DC
4.7μF
●
2MHz 3.3V/0.8A and 0.8V/1.2A Buck Regulators
www.linear.com
SYN
WDE
PGOOD
RST1
RST2
WDO
WDI
CWDT
EN/UVLO
1.5nF
CPOR
OUT
OUT
OUT
OUT
1.5nF
V
IN
), 2.4MHz, High
), 2.8MHz, High
), 2.8MHz,
OUT
), 3MHz,
LT3640
RT
OUT
32.4k
), 2.4MHz,
SW
), 3MHz,
GND
0.1μF
BST
SS2
1nF
SW1
SW2
V
EN2
FB2
FB1
SS1
DA
IN2
1nF
COMMENTS
V
ThinSOT
V
MS8E Package
V
TSSOP16E Package
V
TSSOP16E Package
V
TSSOP16 Package
V
3mm
V
3mm
V
3mm
V
2mm
V
3mm
V
4mm
V
3mm × 3mm DFN10, MS10E Package
V
3mm
V
3mm
V
3mm × 3mm DFN10, MS10E Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 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
: 3.6V to 38V, V
: 3.6V to 34V, V
: 3.6V to 36V, V
: 3.6V to 34V, V
: 3.7V to 37V, V
: 3.6V to 36V, V
: 3.6V to 34V, V
: 3.6V to 38V, V
: 3.6V to 36V, V
4.7μH
1μH
×
×
×
×
×
×
×
×
3640 TA05
3mm DFN10 and TSSOP16E Packages
3mm DFN10 and MSOP10E Packages
3mm DFN10 and MSOP10E Packages
3mm DFN6 Package
3mm DFN8 and MSOP8E Packages
4mm QFN24 and TSSOP16E Packages
3mm DFN10 and MSOP10E Packages
3mm DFN10 and MSOP10E Packages
TM
Package
80.6k
49.9k
16.5k
49.9k
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
68μF
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.25V, I
= 0.78V, I
= 1.26V, I
= 0.8V, I
= 0.78V, I
= 0.8V, I
= 0.8V, I
= 1.26V, I
= 0.78V, I
= 0.8V, I
22μF
© LINEAR TECHNOLOGY CORPORATION 2010
V
3.3V/0.8A
V
0.8V/1.2A
OUT1
OUT2
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 1.6mA, I
= 1.9mA, I
= 3.8mA, I
= 100μA, I
= 100μA, I
= 1.9mA, I
= 4.6mA, I
= 75μA, I
= 1.3mA, I
= 100μA, I
= 70μA, I
= 50μA, I
= 2mA, I
= 850μA, I
= 70μA, I
LT 0110 • PRINTED IN USA
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
< 1μA,
= 2μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 30μA,
< 1μA,
= 1μA,
< 1μA,
< 1μA,
< 1μA,
3640p