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LT3825EFE#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
LT3825
28
3525fe
TYPICAL APPLICATIONS
48V to 3.3V at 6A Isolated Supply
Efficiency vs Load Current Output Regulation vs Load Current
+
+
100k15k
•
•
•
•
•
V
OUT
+
3.3V
6A
V
IN
+
36V TO 72V
0.04Ω
1W
Si4490DY
Si7892DP
15k
1%
3.01k
1%
R7
20Ω
47µF
20V
47k
1/4W
0.1µF
26.1k
1%
402k
1%
BAS21
866Ω
1%
62k
10k
680pF
10k
15Ω
B0540W
47Ω
150µF
6TPB150ML
×3
PA0184
8
1 4
5
BAT54
330Ω
47pF
0.82µF
100V
0.1µF
0.22µF
3.3nF
2.2nF
0.1µF
1µF
0.1µF
T1
PULSE PB2134
2.2nF
250V
3825 TA03a
t
ON
SYNC
PGDLY
UVLO
SENSE
–
V
C
SENSE
+
R
CMP
ENDLY OSC
LT3825
GND SFST
SG
FB
V
CC
SG
SG
PG
C
CMP
10
11
8
9
7
12
3
1
5
4
FMMT718
FMMT618
LOAD CURRENT (A)
1
EFFICIENCY (%)
86
88
90
5
3825 TA03b
84
82
80
2
3
4
6
36V
IN
72V
IN
48V
IN
LOAD CURRENT (A)
1
3.38
3.43
5
3825 TA03c
3.33
3.28
2 3 4 6
3.23
3.18
3.13
OUTPUT (V)
36V
IN
72V
IN
48V
IN
LT3825
29
3825fe
TYPICAL APPLICATIONS
48V to 3.3V at 12A Isolated Supply
Efficiency vs Load Current Output Regulation vs Load Current
+
100k12k
3.01k
1%
28.7k
1%
402k
1%
20Ω
47Ω
47k
1/4W
BAS21
20Ω
•
•
•
•
100pF
250V
2.2nF
250V
C1 TO C4
47µF ×3
C5
470µF
L1
0.1µH
V
OUT
+
3.3V
12A
V
IN
+
36V TO 72V
T1
0.02Ω
1/2W
47µF
Si4490DY
Q1
Q2
15k
1%
750Ω 150k
10k
C1 TO C4: TDK C3225X5R0J476M
C5: SANYO 6TPD470M
L1: VISHAY IHLP2525CZERR10M
Q1: ZETEX FMMT618
Q2: ZETEX FMMT718
T1: PULSE PA1477NL
10k
BAT54
B0540W
15Ω
PA0184
330Ω
47pF
2.2µF
100V
0.1µF
0.01µF
1nF
10nF
2.2nF
0.1µF
3825 TA04a
1µF
t
ON
SYNC
PGDLY
UVLO
SENSE
–
V
C
SENSE
+
R
CMP
ENDLY OSC
LT3825
GND SFST
SG
FB
T1
V
CC
SG
SG
PG
C
CMP
Si7336ADP
•
LOAD CURRENT (A)
2
78
EFFICIENCY (%)
80
84
86
88
92
3
7
9
3825 TA04b
82
90
6
11
12
4
5
8 10
36V
IN
72V
IN
48V
IN
LOAD CURRENT (A)
3.13
OUTPUT (V)
3.23
3.33
3.43
3.18
3.28
3.38
4 6 8 10
3825 TA04c
122
36V
IN
72V
IN
48V
IN
LT3825
30
3525fe
PACKAGE DESCRIPTION
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
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
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

LT3825EFE#PBF

Mfr. #:
Buy LT3825EFE#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Synchronous Flyback Converter w/ no Optoisolater for Isolated Power Supplies
Lifecycle:
New from this manufacturer.
Delivery:
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