lt3681 Linear Technology Corporation, lt3681 Datasheet - Page 24

• Manufacturer Part Number: lt3681
• Description: 36v, 2a, 2.8mhz Step-down Switching Regulator With Integrated Power Schottky Diode
• Manufacturer: Linear Technology Corporation

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LT3681
TYPICAL APPLICATIO
PART NUMBER
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24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
60V, 1.2A (I
Converter
25V, 1.2A (I
Converter
500mA (I
36V, 1.4A (I
Dual 25V, 1.4A (I
Converter
60V, 1.2A (I
Converter with Burst Mode
60V, 2.4A (I
Converter with Burst Mode
60V, 400mA (I
Burst Mode
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
36V with Transient Protection to 40V, 1.4A (I
Effi ciency Step-Down DC/DC Converter
36V with Transient Protection to 40V, Dual 1.4A (I
Effi ciency Step-Down DC/DC Converter
34V with Transient Protection to 36V, 2A (I
Effi ciency Step-Down DC/DC Converter
36V with Transient Protection to 60V, 2A (I
Effi ciency Step-Down DC/DC Converter
●
OUT
FAX: [phone]
OUT
OUT
OUT
OUT
OUT
OUT
), 500kHz Step-Down Switching Regulator in SOT-23
OUT
3.6V TO 27V
), 200kHz, High Effi ciency Step-Down DC/DC
), 1.2MHz, High Effi ciency Step-Down DC/DC
), 500kHz High Effi ciency Step-Down DC/DC Converter V
), 200kHz/500kHz, High Effi ciency Step-Down DC/DC
), 200/500kHz, High Effi ciency Step-Down DC/DC
), 750kHz High Effi ciency Step-Down DC/DC Converter V
OUT
), MicroPower Step-Down DC/DC Converter with
4.7 F
), 1.1MHz, High Effi ciency Step-Down DC/DC
V
IN
U
L: NEC PLC-0745-3R3
330pF
●
13k
www.linear.com
105k
ON OFF
1.265V Step-Down Converter
OUT
OUT
OUT
OUT
OUT
f = 500kHz
), 2.4MHz, High
), 2.8MHz, High
), 2.8MHz, High
), 2.4MHz, High
), 3MHz, High
RUN/SS
V
RT
PG
C
OUT
V
), 3MHz, High
IN
LT3681
GND
BD
BOOST
BIAS
SW
DC
DA
FB
COMMENTS
V
TSSOP16E Package
V
MS8E Package
V
ThinSOT Package
MS8E Package
V
TSSOP16E Package
V
TSSOP16E Package
V
TSSOP16E Package
V
(3mm × 3mm) DFN-10 TSSOP16E Package
V
(3mm × 3mm) DFN-10 MSOP10E Package
V
(3mm × 3mm) DFN-10 MSOP10E Package
(2mm × 3mm)DFN-6 Package
V
(3mm × 3mm) DFN-8 MSOP8E Package
V
(4mm × 4mm) QFN-24 TSSOP16E Package
V
(3mm × 3mm) DFN-10 MSOP10E Package
V
(3mm × 3mm) DFN-10 MSOP10E Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 5.5V to 60V, V
= 3.0V 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
= 3.6V 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 34V, V
= 3.6V to 38V, V
0.47 F
3.3 H
L
3681 TA10
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 1.20V, I
= 1.20V, I
= 1.2V, I
= 1.2V, I
= 1.20V, I
= 1.20V, I
= 1.20V, I
= 1.25V, I
= 0.78V, I
= 1.265V, I
= 0.8V, I
= 0.78V, I
= 0.8V, I
= 01.26V, I
= 0.78V, I
47 F
V
1.265V
2A
OUT
© LINEAR TECHNOLOGY CORPORATION 2006
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 1.6mA, I
= 1.9mA, I
= 1.9mA, I
= 4.6mA, I
Q
Q
= 2.5mA, I
= 1mA, I
= 3.8mA, I
= 100μA, I
= 100μA, I
= 100μA, I
= 70μA, I
= 2mA, I
= 70mA, I
= 50μA, I
= 850mA, I
LT 0407 • PRINTED IN USA
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
< 6μA
< 2μA
< 1μA
< 1μA
< 1μA
< 1μA
< 1μA
SD
< 1μA
25μA
< 30μA
< 1μA
< 1μA
< 1μA
< 1μA
< 1μA
3681f