LT3970IMS-5#TRPBF Linear Technology, LT3970IMS-5#TRPBF Datasheet - Page 17

• Manufacturer Part Number: LT3970IMS-5#TRPBF
• Description: IC BUCK 5V 0.35A 10MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3970IMS-5#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 350mA
• Frequency - Switching: 200kHz ~ 2.25MHz
• Voltage - Input: 4.2 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

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