LT3970EDDB-3.3#PBF Linear Technology, LT3970EDDB-3.3#PBF Datasheet - Page 17

• Manufacturer Part Number: LT3970EDDB-3.3#PBF
• Description: IC, STEP-DOWN REGULATOR, DFN-10
• Manufacturer: Linear Technology

Specifications of LT3970EDDB-3.3#PBF

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 350mA
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +125°C
• Peak Reflow Compatible (260 C): Yes
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.2V TO 40V
TYPICAL APPLICATIONS
4.2V TO 40V
4.2V TO 40V
2.2μF
2.2μF
V
C1
V
IN
C1
2.2μF
IN
V
IN
OFF ON
OFF ON
OFF ON
226k
f = 600kHz
226k
f = 600kHz
3.3V Step-Down Converter
3.3V Step-Down Converter
2.5V Step-Down Converter
226k
f = 600kHz
EN
PG
RT
EN
PG
RT
V
V
IN
IN
EN
PG
RT
LT3970
V
LT3970
GND
IN
LT3970-3.3
GND
BOOST
BOOST
GND
SW
BOOST
BD
FB
SW
BD
FB
V
OUT
SW
BD
C3
0.47μF
47pF
15μH
C3
0.22μF
22pF
22μH
L1
L1
0.22μF
22μH
3490 TA03a
R1
1M
R2
931k
R1
1M
R2
576k
3490 TA04
3490 TA02
22μF
V
3.3V
350mA
OUT
C2
47μF
V
2.5V
350mA
C2
22μF
V
3.3V
350mA
OUT
OUT
LT3970/LT3970-3.3/LT3970-5
6V TO 40V
4.2V TO 27V
6V TO 40V
2.2μF
V
2.2μF
C1
IN
2.2μF
V
C1
IN
V
IN
OFF ON
OFF ON
OFF ON
226k
f = 600kHz
226k
f = 600kHz
226k
f = 600kHz
1.8V Step-Down Converter
5V Step-Down Converter
5V Step-Down Converter
EN
PG
RT
V
EN
BD
PG
RT
IN
V
EN
PG
RT
LT3970
IN
V
GND
IN
LT3970
LT3970-5
GND
BOOST
GND
BOOST
SW
BOOST
BD
FB
SW
V
FB
OUT
SW
BD
C3
0.22μF
22pF
22μH
C3
0.22μF
47pF
L1
10μH
0.22μF
L1
22μH
3490 TA03b
R1
1M
R2
316k
3490 TA03
R1
487k
R2
1M
3490 TA05
22μF
V
5V
350mA
OUT
17
C2
22μF
V
5V
350mA
OUT
C2
47μF
3970fa
V
1.8V
350mA
OUT