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LT3837IFE#TRPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P28
L
T3837
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
GA
TE
TURN-ON
GA
TE
TURN-ON
R
SENSE
•
•
C
VCC
SG
V
CC
GND
L
T3825
PG
V
CC
V
CC
V
CC
V
IN
GND
L
T3825
GA
TE
TURN-OFF
GA
TE
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%
0.1
µF
10µF
Si4896DY
MMBT3904
BAS70
7.5V
12k
1.37k
1%
150k
V
IN
9V TO
36V
PA0184
Si7336ADP
B0540W
2.2nF
47pF
0.1
µF
3.3nF
1nF
t
ON
SYNC
PGDL
Y
UVLO
SENSE
–
V
C
SENSE
+
R
CMP
ENDL
Y
OSC
L
T3837
GND
SFST
FB
V
CC
SG
SG
PG
C
CMP
BA
T54
10k
1nF
330
Ω
0.1
µF
15Ω
1µ
F
4.7Ω
•
•
•
T1
T1
7/8/9
10/11/12
1/2
3/4
470pF
39Ω
8mΩ
20k
SG
220µF
6TPE220MI
47µF
×
3
0.1
µH
FP2S-100-R
V
OUT
3.3V A
T 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
T
APE
T1: EFD20-3F3 (L
P
= 5µH)
L
T3837
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
15
14
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
L
T3837
27
3837fd
Information furnished by Linear T
echnology Corporation is believed to be accurate and reliable.
However
, no responsibility is assumed for its use. Linear T
echnology Corporation makes no representa
-
tion that the interconnection of its cir
cuits as described herein will not infringe on existing patent rights.
REVISION HISTORY
REV
DA
TE
DESCRIP
TION
P
AGE 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
T
ext 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-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P28
LT3837IFE#TRPBF
Mfr. #:
Buy LT3837IFE#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Isolated No-Opto Synchronous Flyback Controller with Wide Input Voltage
Lifecycle:
New from this manufacturer.
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