lt3686a Linear Technology Corporation, lt3686a Datasheet - Page 28

• Manufacturer Part Number: lt3686a
• Description: 37v/1.2a Step-down Regulator In 3mm
• Manufacturer: Linear Technology Corporation

LT3686A
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION
LT3686
LT3689
LT3682
LT3970
LT3990
LT3480
LT3685
LT3505
LT3437
LT1976/LT1977 60V, 1.2A (I
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
37V, 55V with Transient Protection 1.2A, 2.5MHz, High
Effi ciency Step-Down DC/DC Converter
36V, 60V Transient Protection, 800mA, 2.2MHz, High
Effi ciency MicroPower Step-Down DC/DC Converter
with POR Reset and Watchdog Timer
36V, 60V
Step-Down DC/DC Converter
40V, 350mA (I
DC/DC Converter with Only 2.5μA of Quiescent Current
60V, 350mA (I
DC/DC Converter with Only 2.5μA of Quiescent Current
36V with Transient Protection to 60V, 2A (I
High Effi ciency Step-Down DC/DC Converter with
Burst Mode
36V with Transient Protection to 60V, 2A (I
High Effi ciency Step-Down DC/DC Converter
36V with Transient Protection to 40V, 1.4A (I
High Effi ciency Step-Down DC/DC Converter
60V, 400mA (I
Converter with Burst Mode Operation
Step-Down DC/DC Converter with Burst Mode Operation
●
MAX
FAX: [phone]
®
OUT
, 1A, 2.2MHz, High Effi ciency MicroPower
Operation
OUT
OUT
OUT
), 200/500kHz, High Effi ciency
), 2.2MHz, High Effi ciency Step-Down
), 2.2MHz, High Effi ciency Step-Down
), MicroPower Step-Down DC/DC
7V TO 37V
V
IN
●
2.2μF
1nF
www.linear.com
OUT
OUT
5V Step-Down Converter
61.9k
OUT
), 2.4MHz,
), 2.4MHz,
V
EN/UVLO
SYNC/MODE
SS
RT
), 3MHz,
IN
LT3686A
GND
COMMENTS
V
10-Pin 3mm × 3mm DFN Package
V
16-Pin 3mm × 3mm QFN Package
V
DFN Package
V
2mm × 3mm DFN, 10-Pin MSOP Packages
V
3mm × 3mm DFN, 16-Pin MSOPE Packages
V
3mm × 3mm DFN, 10-Pin MSOP Packages
V
3mm × 3mm DFN, 10-Pin MSOP Packages
V
3mm × 3mm DFN, 8-Pin MSOP Packages
V
3mm × 3mm DFN, 16-Pin TSSOP Packages
V
Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 3.6V to 37V, Transient to 55V, V
: 3.6V to 36V Transient to 60V, V
: 3.6V to 36V, V
: 4.2V to 40V, V
: 4.2V to 60V, V
: 3.6V to 38V, V
: 3.6V to 38V, V
: 3.6V to 34V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
BOOST
SW
BD
DA
FB
0.22μF
10k
52.3k
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
10μH
3686A TA02f
= 0.8V, I
= 1.21V, I
= 1.21V, I
= 0.78V, I
= 0.78V, I
= 0.78V, I
= 1.25V, I
= 1.2V, I
15μF
V
5V
1.2A
OUT
Q
OUT(MIN)
Q
OUT(MIN)
= 75μA, I
Q
Q
Q
Q
Q
Q
© LINEAR TECHNOLOGY CORPORATION 2010
= 100μA, I
= 2.5μA, I
= 2.5μA, I
= 70μA, I
= 70μA, I
= 2mA, I
= 100μA, I
= 0.8V, I
= 0.8V, I
SD
SD
SD
SD
SD
<1μA, 12-Pin 3mm × 3mm
SD
SD
SD
= 2μA, 8-Pin
<1μA, 10-Pin
<1μA, 10-Pin
<1μA, 16-Pin TSSOP
<1μA, 10-Pin
<1μA, 10-Pin
<1μA, 10-Pin
Q
LT 0810 • PRINTED IN USA
Q
= 75μA, I
= 1.1mA, I
SD
SD
<1μA,
<1μA,
3686af