LTC4446IMS8E#PBF

LTC4446
10
4446f
TYPICAL APPLICATION
LTC3722/LTC4446 420W 36V-72V
IN
to 12V/35A Isolated Full-Bridge Supply
18
10
911
12V
V
IN
12
LTC3722EGN-1
PDLY
OUTF
OUTE
COMPSSPGNDGND
CS
V
IN
SBUS
UVLO
1μF
ADLY
330pF
MMBT3904
2.2nF
D12
5.1V
T3
1(1.5μH):0.5
T1
5(105μH):1:1
T2
5:5(105μH):1:1
2.49k
9.53k
10k
2.7k
470Ω
1/4W
L4
1mH
C3
68μF
20V
V
H
16
15
8
19
5
4
150Ω
0.02Ω
1.5W
30.1k
220pF
100Ω
330Ω
2.21k
1.5k 2.21k 1.5k
4.87k
1/4W
4.87k
1/4W
51Ω
2W
220pF
182k
20k
1/4W
22pF
22pF
4.99k
80.6k
80.6k
68.1k 18.2k
4.99k
180pF
68nF
220pF0.47μF
20k
SYNC PV
CC
CSE
+
LTC3901EGN
CSE
8
65
1
41013 7
1μF
1μF
4446 TA02a
–V
OUT
V
OUT
–V
OUT
D10
10V
V
OUT
ME ME2
V
OUT
V
OUT
GND PGND GND2 PGND2 TIMER
V
CC
330pF
23
39.2k
100Ω 1k
CSF
+
–V
OUT
V
OUT
V
OUT
–V
OUT
V
OUT
12V/35A
–V
OUT
CSF
11 12
MF MF2
14 15 16
22nF
Si7852DP
s4
Si7852DP
s4
Si7852DP
×2
L1
1.3μH
114
2
12V
D7
D8
4
2
1
6
10
8
7
+
1
0.22μF
Si7852DP
s2
3
6
7
894
A
2
B
D2
LTC4446
BOOSTTINP
BINP
TG
TSGNDBG
V
CC
12V
1
2
0.22μF
Si7852DP
s2
3
6
7
894
C
D
D3
D4
D5
51Ω
2W
0.47μF
100V
LTC4446
BOOSTTINP
BINP
TG
TSGNDBG
V
CC
12V
1μF
100V
s4
V
IN
V
IN
–V
IN
36V TO 72V
1μF
100V
17
D
OUTD
19
C
OUTC
20
B
OUTB
21
A
BC
OUTA
C1, C2
180μF
16V
s2
+
1μF
0.47μF, 100V TDK C3216X7R2A474M
1μF, 100V TDK C4532X7R2A105M
C1,C2: SANYO 16SP180M
C3: AVX TPSE686M020R0150
C4: MURATA DE2E3KH222MB3B
D4-D6: MURS120T3
D2, D3, D7, D8: BAS21
D9: MMBZ5226B
D10: MMBZ5240B
D11: BAT54
D12: MMBZ231B
L1: SUMIDA CDEP105-1R3MC-50
L2: PULSE PA0651
L3: PA1294.910
L4: COILCRAFT DO1608C-105
Q1, Q2: ZETEX FMMT619
Q3, Q4: ZETEX FMMT718
T1, T2: PULSE PA0526
T3: PULSE PA0297
6
3
422236
33k 1M
57
D11
8.25k
I
SNS
5V
REF
I
SNS
0.1μF
58
1
2
1
MOC207
C4
2.2nF
250V
0.047μF
3
6
5
8
GND-F
V
+
GND-S
COLL REF
LT1431CS8
1k
22Ω
200k
750Ω
100Ω
D9 3.3V
0.02Ω
1.5W
V
H
D6
2k
1/2W
0.82μF
100V
470pF
200V
L3
0.85μH
47Ω
1W
0.47μF
100V
Si7852DP
s2
11
10
8
7
MMBT3904
FBSPRG
R
LEB
6.19k
13
SYNC
5.1k
1
NC
8
DPRG
2
V
REF
5V
REF
14
C
T
24
L2
150nH
Q1
Q3
Q2
Q4
LTC4446
11
4446f
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
MS8E Package
8-Lead Plastic MSOP, Exposed Die Pad
(Reference LTC DWG # 05-08-1662 Rev D)
MSOP (MS8E) 0307 REV D
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
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
0.18
(.007)
0.254
(.010)
1.10
(.043)
MAX
0.22 – 0.38
(.009 – .015)
TYP
0.86
(.034)
REF
0.65
(.0256)
BSC
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
12
3
4
4.90 ± 0.152
(.193 ± .006)
8
8
1
BOTTOM VIEW OF
EXPOSED PAD OPTION
7
6
5
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
0.52
(.0205)
REF
1.83 ± 0.102
(.072 ± .004)
2.06 ± 0.102
(.081 ± .004)
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
2.083 ± 0.102
(.082 ± .004)
2.794 ± 0.102
(.110 ± .004)
0.889 ± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.42 ± 0.038
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
0.1016 ± 0.0508
(.004 ± .002)
LTC4446
12
4446f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2008
LT 0508 • PRINTED IN USA
TYPICAL APPLICATION
LTC4446 Fast Turn-On/Turn-Off DC Switch
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TG
BOOSTV
CC
V
IN
0V TO 100V
12V
GNDBG
TS
4.7nF
0.33μF
4.7k
15k
100k
MMBT2369
TINP
3
1
2
6
7
8
9
LTC4446
BINP
200Ω
0.01μF
100V
BAS21
BAS21
BZX84C12L
12V
3.3nF
4446 TA03
BAS21
LOAD

LTC4446IMS8E#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Gate Drivers Hi V Hi Side / L Side N-Ch MOSFET Drvr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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