LTC3637
22
3637fa
For more information www.linear.com/LTC3637
4V to 76V Input to 15V Output* Clamp, 1A High Efficiency Surge Stopper
4V to 76V Input to 1.8V SuperCap Charger
V
FB
SW
L1
6.8µH
V
IN
RUN
FB0
I
SET
R1
200k
D1
C
OUT
: TDK C3225X7R1C226M
D1: VISHAY 10MQ100NPBF
L1: VISAHY IHLP-2525CZ-01
*WHEN V
IN
> 15V, LTC3637 SWITCHES AND V
OUT
IS REGULATED TO 15V;
WHEN V
IN
≤ 15V, LTC3637 OPERATES IN DROPOUT AND V
OUT
FOLLOWS V
IN
V
IN
*
4V TO 76V
OVLO
SS
V
PRG1
V
PRG2
GND
LTC3637
R2
27.4k
3637 TA05a
C
OUT
22µF
V
OUT
*
1A
V
IN
20V/DIV
V
OUT
20V/DIV
100ms/DIVI
LOAD
= 1A
3637 TA05b
76V INPUT SURGE
15V OUTPUT CLAMP
SW
V
IN
4V TO 76V
LTC3637
L1
6.2µH
C
OUT
100µF
×2
C
SC
1F
3637 TA06
V
OUT
1.8V
C
OUT
: TDK C3225X5R0J107M
C
SC
: COOPER BUSSMANN M0810-2R5105-R
D1: VISHAY VSSA310S-E3
D2: VISHAY 10MDQ100NPBF
L1: WÜRTH 744 066 0062
GND
V
FB
SS
V
PRG1
RUN
D1
D2
I
SET
FBO
V
PRG2
OVLO
V
IN
RUN
2V/DIV
RUN
2V/DIV
V
OUT
500mV/DIV
V
OUT
500mV/DIV
INDUCTOR
CURRENT
2A/DIV
INDUCTOR
CURRENT
2A/DIV
ZOOM
100ms/DIV
200µs/DIV
3637 TA05b
3637 TA05c
V
IN
= 48V
V
IN
= 48V
TYPICAL APPLICATIONS
LTC3637
23
3637fa
For more information www.linear.com/LTC3637
PACKAGE DESCRIPTION
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
MSOP (MSE16(12)) 0213 REV D
0.53 ±0.152
(.021 ±.006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 –0.27
(.007 – .011)
TYP
0.86
(.034)
REF
0.50
(.0197)
BSC
1.0
(.039)
BSC
1.0
(.039)
BSC
16
16 14 121110
1 3 5 6 7 8
9
9
1
8
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
6. EXPOSED PAD DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH ON E-PAD SHALL
NOT EXCEED 0.254mm (.010") PER SIDE.
0.254
(.010)
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.10
(.201)
MIN
3.20 – 3.45
(.126 – .136)
0.889 ±0.127
(.035 ±.005)
RECOMMENDED SOLDER PAD LAYOUT
0.305 ±0.038
(.0120 ±.0015)
TYP
0.50
(.0197)
BSC
BOTTOM VIEW OF
EXPOSED PAD OPTION
2.845 ±0.102
(.112 ±.004)
2.845 ±0.102
(.112 ±.004)
4.039 ±0.102
(.159 ±.004)
(NOTE 3)
1.651 ±0.102
(.065 ±.004)
1.651 ±0.102
(.065 ±.004)
0.1016 ±0.0508
(.004 ±.002)
3.00 ±0.102
(.118 ±.004)
(NOTE 4)
0.280 ±0.076
(.011 ±.003)
REF
4.90 ±0.152
(.193 ±.006)
DETAIL “B”
DETAIL “B”
CORNER TAIL IS PART OF
THE LEADFRAME FEATURE.
FOR REFERENCE ONLY
NO MEASUREMENT PURPOSE
0.12 REF
0.35
REF
MSE Package
Variation: MSE16 (12)
16-Lead Plastic MSOP with 4 Pins Removed
Exposed Die Pad
(Reference LTC DWG # 05-08-1871 Rev D)
LTC3637
24
3637fa
For more information www.linear.com/LTC3637
PACKAGE DESCRIPTION
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
3.00 ±0.10
(2 SIDES)
5.00 ±0.10
(2 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WJED-1) 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
1.65 ±0.10
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
R = 0.20
TYP
4.40 ±0.10
(2 SIDES)
18
169
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DHC16) DFN 1103
0.25 ±0.05
PIN 1
NOTCH
0.50 BSC
4.40 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 ±0.05
(2 SIDES)2.20 ±0.05
0.50 BSC
0.65 ±0.05
3.50 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
DHC Package
16-Lead Plastic DFN (5mm × 3mm)
(Reference LTC DWG # 05-08-1706 Rev Ø)

LTC3637HMSE#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators High Efficiency, 76V 1A Step-Down Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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