lt3980 Linear Technology Corporation, lt3980 Datasheet - Page 24

• Manufacturer Part Number: lt3980
• Description: 58v, 2a, 2.4mhz Step-down Switching Regulator With 85?a Quiescent Current
• Manufacturer: Linear Technology Corporation

LT3980
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LT3689
LT3682
LT3970
LT3480
LT3685
LT3481
LT3684
LT3508
LT3505
LT3500
LT3507
LT3437
LT1976/LT1967
LT3434/LT3435
LT1936
LT3493
LT1766
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
36V, 60V Transient Protection, 800mA, 2.2MHz High Effi ciency Micropower
Step-Down DC/DC Converter with POR Reset and Watchdog Timer
36V, 60V
Converter
40V, 350mA (I
Converter with Only 2.5μA of Quiescent Current
36V with Transient Protection to 60V, 2A (I
Step-Down DC/DC Converter with Burst Mode Operation
36V with Transient Protection to 60V, Dual 2A (I
High Effi ciency Step-Down DC/DC Converter
34V with Transient Protection to 36V, 2A (I
Step-Down DC/DC Converter with Burst Mode Operation
34V with Transient Protection to 36V, 2A (I
36V with Transient Protection to 40V, Dual 1.4A (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
36V, 40V
LDO Controller
36V, 2.5MHz, Triple (2.4A + 1.5A + 1.5A (I
Effi ciency Step-Down DC/DC Converter
60V, 400mA (I
Mode Operation
60V, 1.2A (I
Converters with Burst Mode Operation
60V, 2.4A (I
Converters with Burst Mode Operation
36V, 1.4A (I
36V, 1.4A (I
DC/DC Converter
60V, 1.2A (I
High Effi ciency Step-Down DC/DC Converter
3.6V TO 32V
MAX
MAX
●
FAX: [phone]
V
OUT
OUT
OUT
OUT
OUT
IN
, 1A, 2.2MHz High Effi ciency Micropower Step-Down DC/DC
, 2.5MHz High Effi ciency Step-Down DC/DC Converter and
OUT
OUT
), 500kHz, High Effi ciency Step-Down DC/DC Converter
), 200kHz/500kHz, High Effi ciency Step-Down DC/DC
), 200kHz/500kHz, High Effi ciency Step-Down DC/DC
), 750kHz High Effi ciency Step-Down
), 200kHz, High Effi ciency Step-Down DC/DC Converter
), 2.2MHz High Effi ciency Step-Down DC/DC
), Micropower Step-Down DC/DC Converter with Burst
4.7μF
14k
1nF
●
www.linear.com
ON OFF
97.6k
OUT
OUT
OUT
OUT
1.2V Step-Down Converter
OUT
)) with LDO Controller High
), 2.4MHz, High Effi ciency
), 2.8MHz, High Effi ciency
), 2.8MHz,
OUT
RUN/SS
V
RT
PG
SYNC
), 3MHz,
f = 400kHz
C
OUT
), 2.4MHz,
), 3MHz,
V
LT3980
IN
GND
BD
BOOST
SW
DA
FB
COMMENTS
V
I
V
3mm
V
3mm
V
3mm
V
3mm
V
3mm
V
3mm
V
4mm
V
3mm
V
3mm
V
5mm
V
3mm
V
TSSOP-16E Package
V
TSSOP-16E Package
V
MS8E Package
V
2mm
V
TSSOP-16 and TSSOP-16E Packages
Q
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 75μA, I
: 3.6V to 36V (Transient to 60V), V
: 3.6V to 36V, V
: 4.2V to 40V, V
: 3.6V to 38V, V
: 3.6V to 38V, V
: 3.6V to 34V, V
: 3.6V to 34V, V
: 3.7V to 37V, V
: 3.6V to 34V, V
: 3.6V to 36V, V
: 4V to 36V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.6V to 36V, V
: 3.6V to 36V, V
: 5.5V to 60V, V
×
×
×
×
×
×
×
×
×
×
×
×
100k
3mm DFN-12
3mm DFN-10 and MSOP-10 Packages
3mm DFN-10 and MSOP-10E Packages
3mm DFN-10 and MSOP-10E Packages
3mm DFN-10 and MSOP-10E Packages
3mm DFN-10 and MSOP-10E Packages
4mm QFN-24 and TSSOP-16E Packages
3mm DFN-8 and MSOP-8E Packages
3mm DFN-10 Package
7mm QFN-38 Package
3mm DFN-10 and TSSOP-16E Packages
3mm DFN-6 Package
0.47μF
D
SD
< 1μA, 3mm
52.3k
OUT(MIN)
3.3μH
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)
L
3980 TA09
© LINEAR TECHNOLOGY CORPORATION 2009
= 0.8V, I
= 0.8V, I
= 1.21V, I
= 0.78V, I
= 0.78V, I
= 1.26V, I
= 1.26V, I
= 0.8V, I
= 0.78V, I
= 0.8V, I
= 1.25V, I
= 1.20V, I
= 1.2V, I
= 1.2V, I
= 0.8V, I
= 1.20V, I
×
3mm QFN-16 Package
100μF
V
1.2V
2A
OUT
Q
Q
Q
Q
= 7mA, I
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
OUT(MIN)
= 75μA, I
= 4.6mA, I
= 2.5mA, I
= 100μA, I
= 1.9mA, I
= 1.9mA, I
= 2.5μA, I
= 70μA, I
= 70μA, I
= 50μA, I
= 850μA, I
= 2mA, I
= 100μA, I
= 100μA, I
= 2.5mA, I
LT 0909 • PRINTED IN USA
SD
= 0.8V,
SD
< 1μA,
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
< 1μA,
= 2μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
= 1μA,
= 10μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 25μA,
3980f