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LT8310IFE#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36
LT8310
34
8310f
For more information www.linear.com/LT8310
Typical applicaTions
Wide V
IN
, 60 Watt Isolated 8V Rail for Low Voltage Regulators
Output Voltage Line Regulation Efficiency vs Load Current
LT8310
LTC3900
UVLO
CG
CS
+
V
CC
CS
–
SYNC
FG
OVLO
TIMER
GND
GATE
SENSE
GND
SOUT
FBXV
C
NC
C1
2.2µF
100V
×4
V
IN
9V TO 42V
V
OUT
8V
0A TO 7.5A
–V
OUT
–V
IN
V
IN
39.2k
5.62k
1.24k
1µF
100V
L2
3300µH
T1
3:4
T2
1:1
220pF
C3
2200pF
100V
NPO
×2
R
SENSE
0.008Ω
M3
30.1k
M1
M2
C5
22µF
25V
×4
C6
22µF
25V
TANT
×5
L1
33µH
330Ω
••
••
8310 TA05a
D1, D2: BAV3004
D3: CENTRAL SEMI CMMR1U-02
L1: WÜRTH WE74435583300
L2: COILCRAFT LPS5030-335MRB
M1: INFINEON BSC057N08S3-GL
NOTE 1: IN GENERAL, TWO STACKED 5V TO 6V ZENERS WILL HAVE LESS
THERMAL VARIATION THAN A SINGLE 10V TO 12V ZENER
NOTE 2: FOR EXAMPLE, USE THREE (3) PARALLELED 10k, 1W RESISTORS
M2: INFINEON BSC067N06LS3-G
M3: INFINEON BSC060N10S3-G
Q1: CENTRAL SEMI MMBT5551
T1: WÜRTH WE750341138
T2: PULSE PE-68386NL
DFILT
10nF
10Ω
RT
SS
SYNC
INTV
CC
RDVIN
NC
4.7µF
16V
25.5k
49.9k
200kHz
2.2nF
0.47µF
30.1k
0.1µF
50V
470Ω
D1
D2
10Ω
3.3k 3W
NOTE 2
NOTE 1
5.6V 5.6V
220pF
4.7µF
16V
33nF
100V
Q1
270k
+
I
OUT
(V)
0
V
OUT
(V)
8.0
9.0
8
8310 TA05b
7.0
6.0
2
4
6
1
3
5
7
10.0
7.5
8.5
6.5
9.5
V
IN
= 9V
V
IN
= 18V
V
IN
= 30V
V
IN
= 42V
I
OUT
(A)
0
72
EFFICIENCY (%)
76
80
84
88
2 4
6
8
8310 TA05c
92
96
1 3
5
7
V
IN
= 9V
V
IN
= 18V
V
IN
= 30V
V
IN
= 42V
LT8310
35
8310f
For more information www.linear.com/LT8310
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.
package DescripTion
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
FE20(16) (CB) TSSOP REV 0 0512
0.09 – 0.20
(.0035 – .0079)
0° – 8°
0.25
REF
RECOMMENDED SOLDER PAD LAYOUT
0.50 – 0.75
(.020 – .030)
4.30 – 4.50*
(.169 – .177)
1 3
5
6
7
8 9 10
111214 13
6.40 – 6.60*
(.252 – .260)
3.86
(.152)
2.74
(.108)
20 18 16 15
1.20
(.047)
MAX
0.05 – 0.15
(.002 – .006)
0.65
(.0256)
BSC
0.195 – 0.30
(.0077 – .0118)
TYP
2.74
(.108)
0.45 ±0.05
0.65 BSC
4.50 ±0.10
6.60 ±0.10
1.05 ±0.10
3.86
(.152)
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
Variation: FE20(16)
20-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1924 Rev Ø)
Exposed Pad Variation CB
LT8310
36
8310f
For more information www.linear.com/LT8310
LINEAR TECHNOLOGY CORPORATION 2014
LT 0814 • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT8310
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT3752/LT3752-1 Active Clamp Synchronous Forward Controllers with Internal
Housekeeping Controller
Input Voltage Range: LT3752: 6.5V to 100V,LT3752-1: Limited
Only by External Components
LT3753 Active Clamp Synchronous Synchronous Forward Controller Input Voltage Range: 8.5V to 100V
LT8311 Preactive Secondary-Side Synchronous Forward Controller Optimized for Use with Primary-Side LT3752/-1, LT3753 and
LT8310 Controllers
LTC
®
3765/LTC3766 Synchronous No-Opto Forward Controller Chip Set with
Active Clamp Reset
Direct Flux Limit™, Supports Self-Starting Secondary Forward
Control
LTC3723-1/LTC3723-2 Synchronous Push-Pull and Full-Bridge Controllers High Efficiency with On-Chip MOSFET Drivers, Adjustable
Synchronous Rectification Timing
LTC3721-1/LTC3721-2 Nonsynchronous Push-Pull and Full-Bridge Controllers Minimizes External Components, On-Chip MOSFET Drivers
LTC3722/LTC2722-2 Synchronous Full-Bridge Controllers Adaptive or Manual Delay Control for Zero Voltage Switching,
Adjustable Synchronous Rectification Timing
LT3748 100V Isolated Flyback Controller 5V ≤ V
IN
≤ 100V, No-Opto Flyback , MSOP-16 with High Voltage
Spacing
LT3798 Off-Line Isolated No-Opto Flyback Controller with Active PFC V
IN
and V
OUT
Limited Only by External Components
LTC3900 Synchronous Rectifier N-Channel MOSFET Driver for
Forward Converters
Programmable Timeout and Reverse-Inductor Protection,
Transformer Synchronization, SSOP-16
LT4430 Secondary-Side Optocoupler Driver with Reference Voltage Overshoot Control Prevents Output Overshoot During Start-up
and Short-Cir
cuit Recovery
94% Efficient, 150W Isolated Synchronous Forward Converter
LT8310
UVLO
OVLO
DFILT
RT
SS
SYNC
INTV
CC
RDVIN
GATE
SENSE
GND
SOUT
NC
V
C
FBX
4.7µF
16V
3.9nF
220pF
V
IN
36V TO 72V
–V
IN
V
IN
86.6k
1.74k
1.43k
R
SENSE
0.012Ω
M1
M2
121k
V
INTVCC
V
INTVCC
40.2k
249kHz
C1
4.7µF
100V
×4
T1
8:4
390pF
250V
90.9k
178Ω
D1
L1
8µH
178Ω
••
T2
1.25:1
••
1µF
100V
0.47µF
20k
62k
10k
499k3.3k
100k
11.3k
100k
20k
4k
22nF
4k
499Ω 560Ω
PS2801-1
100pF
1µF
22nF
4.7µF
D1: CENTRAL SEMI CMMR1U-02
L1: CHAMPS HRPQI2050-08
M1: INFINEON BSC320N20NS3G
M2: INFINEON BSC042NE7NS3
M3: FAIRCHILD SEMI FDMS86101DC
T1: PULSE PA0423
T2: PULSE PA3493NL
2.2µF
8310 TA06a
V
OUT
–V
OUT
68pF
47µF
×2
470µF
V
OUT
12V
0A TO 12.5A
3.9nF
M3
FG
CSP
CG
CSN
FB
FSW
CSW
V
IN
SYNC
COMP
OPTO
PGOOD
INTVCC
PMODE
SS GND
TIMER
LT8311
+
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36

LT8310IFE#TRPBF

Mfr. #:
Buy LT8310IFE#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 100Vin For Conv Cntr
Lifecycle:
New from this manufacturer.
Delivery:
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