13
LT3750
3750fa
TYPICAL APPLICATIO S
U
300V, 6A Capacitor Charger
6A Charging Efficiency 6A Charge Time
V
CC
DONE
CHARGE
RV
OUT
RDCM
GATE
SOURCE
V
TRANS
60.4k
T1
1:10
D1
V
OUT
300V
V
TRANS
V
CC
12V
C4
100µF
43k
12m
M1
3750 TA03a
LT3750
GND RBG
100k
2.49k 100pF
OFF ON
C1
10µF
C2
10µF
C3
56µF
×2
+
C1: 25V X5R OR X7R CERAMIC CAPACITOR
C2: 25V X5R OR X7R CERAMIC CAPACITOR
C3: 25V SANYO OS-CON 25SVP56M
C4: 330V RUBYCON PHOTOFLASH CAPACITOR
D1: DIODES INC. MURS160
M1: PHILIPS PHT6NQ10T
T1: TDK DCT20EFD-U32S003 FLYBACK TRANSFORMER
3, 4, 5, 6
7, 8, 9, 10
1
12
V
OUT
(V)
0
50
EFFICIENCY (%)
60
70
80
90
100
50
100 150 200
3750 TA03b
250 300
V
TRANS
= 18V
V
TRANS
= 6V
V
TRANS
= 12V
TIME (SECONDS)
0
0
V
OUT
(V)
50
100
150
200
250
300
0.1 0.2 0.3 0.4
3750 TA03c
0.5
V
TRANS
= 18V
V
TRANS
= 6V
V
TRANS
= 12V
NMOS DRAIN
CURRENT
2A/DIV
NMOS DRAIN
VOLTAGE
20V/DIV
5µs/DIV
3750 TA03d
Typical Switching Waveforms
14
LT3750
3750fa
TYPICAL APPLICATIO S
U
300V, 9A Capacitor Charger
9A Charging Efficiency 9A Charge Time
V
CC
DONE
CHARGE
RV
OUT
RDCM
GATE
SOURCE
V
TRANS
60.4k
T1
1:10
D1
V
OUT
300V
V
TRANS
V
CC
12V
C4
100µF
43k
8m
M1
3750 TA04a
LT3750
GND RBG
100k
2.49k 100pF
OFF ON
C1
10µF
C1: 25V X5R OR X7R CERAMIC CAPACITOR
C2: 25V X5R OR X7R CERAMIC CAPACITOR
C3: 25V SANYO OS-CON 25SVP56M
C4: 330V RUBYCON PHOTOFLASH CAPACITOR
D1: DIODES INC. MURS160
M1: PHILIPS PHM2INQ15T
T1: TDK DCT20EFD-U32S003 FLYBACK TRANSFORMER
C2
10µF
C3
56µF
×3
+
3, 4, 5, 6
7, 8, 9, 10
1
12
V
OUT
(V)
0
EFFICIENCY (%)
60
70
80
90
100
50
100 150 200
3750 TA04b
250 300
V
TRANS
= 18V
V
TRANS
= 6V
V
TRANS
= 12V
TIME (SECONDS)
0
0
V
OUT
(V)
50
100
150
200
250
300
0.05 0.10 0.15 0.20
3750 TA04c
0.300.25
V
TRANS
= 18V
V
TRANS
= 6V
V
TRANS
= 12V
NMOS DRAIN
CURRENT
4A/DIV
NMOS DRAIN
VOLTAGE
20V/DIV
5µs/DIV
3750 TA04d
Typical Switching Waveforms
15
LT3750
3750fa
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
U
PACKAGE DESCRIPTIO
MS Package
10-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1661)
MSOP (MS) 0603
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 – 0.27
(.007 – .011)
TYP
0.127 ± 0.076
(.005 ± .003)
0.86
(.034)
REF
0.50
(.0197)
BSC
12
3
45
4.90 ± 0.152
(.193 ± .006)
0.497 ± 0.076
(.0196 ± .003)
REF
8910
7
6
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
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
0.254
(.010)
0
° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.23
(.206)
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

LT3750EMS#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Cap Chr Cntr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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