LT3980
19
3980fa
For more information www.linear.com/LT3980
Typical applicaTions
5V Step-Down Converter
3.3V Step-Down Converter
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
6.5V TO 58V
TRANSIENT
TO 80V
V
OUT
5V
2A
4.7µF
0.47µF
47µF
f = 400kHz
D
4.75k
97.6k
L
8.2µH
536k
GND
1nF
ON OFF
LT3980
3980 TA02
RUN/SS BOOST
SYNC
DA
100k
22pF
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
4.3V TO 58V
TRANSIENT
TO 80V
V
OUT
3.3V
2A
4.7µF
0.47µF
47µF
f = 400kHz
D
4.75k
97.6k
L
6.8µH
GND
2.2nF
ON OFF
LT3980
3980 TA03
RUN/SS BOOST
SYNC
316k
DA
100k
22pF
2.5V Step-Down Converter
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
4V TO 58V
TRANSIENT
TO 80V
V
OUT
2.5V
2A
4.7µF
F
47µF
f = 300kHz
D1
8.45k
137k
L
4.7µH
215k
GND
2.2nF
ON OFF
LT3980
D2
3980 TA04
RUN/SS BOOST
SYNC
DA
100k
22pF
LT3980
20
3980fa
For more information www.linear.com/LT3980
Typical applicaTions
1.8V Step-Down Converter
12V Step-Down Converter
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
15V TO 58V
TRANSIENT
TO 80V
V
OUT
12V
2A
10µF
0.47µF
22µF
50k
f = 600kHz
D
12k
60.4k
L
15µH
GND
1nF
ON OFF
LT3980
3980 TA06
RUN/SS BOOST
SYNC
715k
DA
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
3.5V TO 32V
V
OUT
1.8V
2A
4.7µF
0.47µF
100µF
f = 400kHz
D
2.49k
97.6k
L
3.3µH
127k
GND
680pF
ON OFF
LT3980
3980 TA08
RUN/SS BOOST
SYNC
DA
100k
22pF
5V, 1.2MHz Step-Down Converter
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
8.6V TO 40V
TRANSIENT
TO 80V
V
OUT
5V
2A
4.7µF
0.47µF
22µF
f = 1.2MHz
D
4.75k
24.9k
L
4.7µH
GND
1nF
ON OFF
LT3980
3980 TA05
RUN/SS BOOST
SYNC
536k
DA
100k
22pF
LT3980
21
3980fa
For more information www.linear.com/LT3980
3.00 ±0.10
(2 SIDES)
4.00 ±0.10
(2 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WGED-3) IN JEDEC
PACKAGE OUTLINE MO-229
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
TOP AND BOTTOM OF PACKAGE
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.70 ± 0.10
0.75 ±0.05
R = 0.115
TYP
R = 0.05
TYP
3.00 REF
1.70 ± 0.05
17
148
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DE14) DFN 0806 REV B
PIN 1 NOTCH
R = 0.20 OR
0.35 × 45°
CHAMFER
3.00 REF
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
2.20 ±0.05
0.70 ±0.05
3.60
±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.25 ± 0.05
0.50 BSC
3.30 ±0.05
3.30 ±0.10
0.50 BSC
DE Package
14-Lead Plastic DFN (4mm × 3mm)
(Reference LTC DWG # 05-08-1708 Rev B)
packaGe DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.

LT3980IMSE#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 58V, 2A, 2.4MHz Step-Down Switching Regulator with 75uA Quiescent Current
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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