LT3973 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LT3973

42V, 750mA Step-Down Regulator with 2.5µA Quiescent Current and Integrated Diodes

Linear Technology

'LT3973' PDF : 24 Pages View PDF

Prev 11 12 13 14 15 16 17 18 19 20 Next

LT3973/LT3973-3.3/LT3973-5
TYPICAL APPLICATIONS
VIN
4.2V TO 42V
C1
4.7µF
3.3V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973
EN/UVLO SW
PG
BD
OUT
RT
FB
GND
f = 600kHz
C3
0.47µF
L1
15µH
15pF
VOUT
3.3V
750mA
1M
C2
22µF
576k
3973 TA02
VIN
5.6V TO 42V
C1
4.7µF
5V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973
EN/UVLO SW
PG
BD
OUT
RT
FB
GND
f = 600kHz
C3
0.47µF
L1
15µH
15pF
VOUT
5V
750mA
R1
1M
C2
R2
22µF
316k
3973 TA03
VIN
4.2V TO 42V
C1
4.7µF
3.3V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973-3.3
EN/UVLO SW
PG
BD
OUT
RT
VOUT
GND
C3
0.47µF
L1
15µH
VOUT
3.3V
750mA
C2
22µF
f = 600kHz
3973 TA04
VIN
5.6V TO 42V
C1
4.7µF
5V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973-5
EN/UVLO SW
PG
BD
OUT
RT
VOUT
GND
C3
0.47µF
L1
15µH
VOUT
5V
750mA
C2
22µF
f = 600kHz
3973 TA05
VIN
4.2V TO 42V
C1
4.7µF
2.5V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973
EN/UVLO SW
PG
BD
OUT
RT
FB
GND
f = 600kHz
C3
1µF
L1
10µH
22pF
VOUT
2.5V
750mA
R1
1M
C2
R2
47µF
931k
3973 TA06
VIN
4.2V TO 25V
C1
4.7µF
1.8V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973
EN/UVLO SW
BD
OUT
PG
RT
FB
GND
C3
0.47µF
L1
10µH
22pF
f = 600kHz
VOUT
1.8V
750mA
R1
487k
C2
R2
47µF
1M
3973 TA07
VIN
12.6V TO 42V
C1
4.7µF
12V Step-Down Converter
OFF ON
215k
VIN BOOST
LT3973
EN/ULVO SW
PG
BD
OUT
RT
FB
GND
C3
0.47µF
L1
22µH
15pF
R1
1M
R2
113k
VIN
5.6V TO 28V
TRANSIENTS
TO 42V
VOUT
12V
750mA
C2
C1
22µF
2.2µF
f = 600kHz
3973 TA08
5V, 2MHz Step-Down Converter
VIN BOOST
LT3973
OFF ON EN/UVLO SW
PG
BD
OUT
RT
FB
GND
43.2k
f = 2MHz
C3
0.47µF
L1
10µH
10pF
VOUT
5V
750mA
R1
1M
C2
R2
10µF
316k
3973 TA09
For more information www.linear.com/LT3973
3973fb
19

Share Link: