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LT3837EFE#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
LT3837
25
3837fd
APPLICATIONS INFORMATION
9V – 36V to 3.3V at 10A Isolated Converter
TYPICAL APPLICATION
Figure 9. High Current Paths
T2
T1
C
R
C
VIN
MS
MP
GATE
TURN-ON
GATE
TURN-ON
R
SENSE
• •
C
VCC
SG
V
CC
GND
LT3825
PG
V
CC
V
CC
V
CC
V
IN
GND
LT3825
GATE
TURN-OFF
GATE
TURN-OFF
Q4
Q3
C
OUT
3837 F09
OUT
•
•
•
•
•
100k
10k
20Ω
5
6
10Ω
3.01k
1%
17.4k
1%
100k
1%
29.4k
1%
0.1µF
10µF
Si4896DY
MMBT3904
BAS70
7.5V
12k
1.37k
1%
150k
V
IN
9V TO
36V
PA0184
Si7336ADP
B0540W
2.2nF
47pF
0.1µF
3.3nF
1nF
t
ON
SYNC
PGDLY
UVLO
SENSE
–
V
C
SENSE
+
R
CMP
ENDLY OSC
LT3837
GND
SFST
FB
V
CC
SG
SG
PG
C
CMP
BAT54
10k
1nF
330Ω
0.1µF
15Ω
1µF
4.7Ω
•
•
•
T1
T1
7/8/9
10/11/12
1/2
3/4
470pF
39Ω
8mΩ
20k
SG
220µF
6TPE220MI
47µF × 3
0.1µH
FP2S-100-R
V
OUT
3.3V AT 10A
3837 TA02
PIN 2 TO 4, 6T OF 4 × 25AWG
PIN 5 TO 6, 7T OF 32AWG
PIN 10/11/12 TO 7/8/9, 2T OF 7MIL C
U
FOIL
PIN 1 TO 3, 6T OF 4 × 25AWG
TAPE
T1: EFD20-3F3 (L
P
= 5µH)
LT3837
26
3837fd
PACKAGE DESCRIPTION
FE16 (BC) TSSOP REV J 1012
0.09 – 0.20
(.0035 – .0079)
0° – 8°
0.25
REF
0.50 – 0.75
(.020 – .030)
4.30 – 4.50*
(.169 – .177)
1 3 4
5
6
7
8
10
DETAIL B IS THE PART OF
THE LEAD FRAME FEATURE
FOR REFERENCE ONLY
NO MEASUREMENT PURPOSE
9
4.90 – 5.10*
(.193 – .201)
16 1514 13 12 11
1.10
(.0433)
MAX
0.05 – 0.15
(.002 – .006)
0.65
(.0256)
BSC
2.94
(.116)
0.48
(.019)
REF
0.51
(.020)
REF
0.195 – 0.30
(.0077 – .0118)
TYP
2
RECOMMENDED SOLDER PAD LAYOUT
0.45 ±0.05
0.65 BSC
4.50 ±0.10
6.60 ±0.10
1.05 ±0.10
2.94
(.116)
3.58
(.141)
3.58
(.141)
MILLIMETERS
(INCHES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
SEE NOTE 4
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
6.40
(.252)
BSC
FE Package
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663 Rev J)
Exposed Pad Variation BC
DETAIL B
LT3837
27
3837fd
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
REVISION HISTORY
REV DATE DESCRIPTION PAGE NUMBER
C 11/09 Change to Absolute Maximum Ratings
Change to Electrical Characteristics
Change to Pin Functions
Change to Block Diagram
Change to Flyback Feedback Amplifier
Text Change to Applications Information
Changes to Related Parts
2
2,3
6
8
9
23
28
D 12/12 Updated G20 graph
Updated package
6
26
(Revision history begins at Rev C)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

LT3837EFE#TRPBF

Mfr. #:
Buy LT3837EFE#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Iso No-Opto Sync Fly Cntr
Lifecycle:
New from this manufacturer.
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