LT3971IDD View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT3971IDD' PDF : 28 Pages View PDF
LT3971/LT3971-3.3/LT3971-5
TYPICAL APPLICATIONS
VIN
7V TO 38V
5V Step-Down Converter
OFF ON
4.7µF
VIN
EN
BOOST
PG
SW
SS LT3971
RT
BD
0.47µF
4.7µH
10pF
49.9k
SYNC GND FB
f = 800kHz
309k
1M
22µF
VOUT
5V
1.2A
3971 TA02
VIN
4.5V TO 38V
3.3V Step Down Converter
OFF ON
4.7µF
VIN
EN
BOOST
PG
SW
SS LT3971
RT
BD
49.9k
SYNC GND FB
0.47µF 4.7µH
VOUT
3.3V
1.2A
10pF
1.78M
1M
22µF
3971 TA11
No Load Supply Current
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0
10
20
30
INPUT VOLTAGE (V)
40
3971 TA11b
VIN
7V TO 38V
5V Step-Down Converter
OFF ON
4.7µF
VIN
EN
BOOST
PG
SW
SS LT3971-5
RT
BD
0.47µF
4.7µH
VIN
4.3V TO 38V
49.9k
SYNC GND VOUT
f = 800kHz
22µF
VOUT
5V
1.2A
3971 TA03
22
2.5V Step-Down Converter
OFF ON
4.7µF
VIN
EN
BOOST
PG
SW
SS LT3971
RT
BD
118k
SYNC GND FB
f = 400kHz
1µF
4.7µH
10pF
1M
909k
47µF
VOUT
2.5V
1.2A
3971 TA04
3971fd
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