LTC4440AHMS8E-5#PBF Datasheet LTC4440AHMS8E-5#PBF, LTC4440AIMS8E-5#PBF, LTC4440AMPMS8E-5#PBF | P10-P12

LTC4440A-5

10

4440a5f

For more information www.linear.com/LTC4440A-5

Typical applicaTions

LTC3723-1 240W 42-56V

IN

to 12V/20A Isolated 1/4Brick (2.3" × 1.45")

5

46

A

B

12V

V

IN

15

LTC3723EGN-1

DRVB

SDRB

SDRA

COMP

CS

V

CC

UVLO

9

150k

1

0.47µF

1µF

DRVA

DPRG V

REF

SPRGGND SSFB C

T

330pF

22nF

100k

D8

10V

68nF

270pF

T2

1(1.5mH):0.5

T1

4T:6T(65µHMIN):6T:2T:2T

243k

2.49k

9.53k

10k

750Ω

1k

100Ω

1/4W

813

3

Si7370DP

×2

L4

1mH

C3

68µF

20V

V

F

D2

•

3

2

8

1 9

5

4

16

10k

33k

200Ω

1/4W

R1

0.03Ω

1.5W

66.5k

RLEB

127 14

220pF

22nF

100Ω

665Ω

1k

866Ω

6.19k

1/4W

1.5nF

464k

30k

1/4W

SYNC PV

CC

CSF

+

V

F

LTC3901EGN

CSF

–

8

11 12

1

4 10 13 7

22nF

1µF

4.7µF

4440A5 TA05

–V

OUT

V

OUT

–V

OUT

D7

10V

V

OUT

MF MF2

GND PGND GND2 PGND2 TIMER

V

CC

470pF

14 15

1k 866Ω

42.2k

1k

100Ω

6.19k

1/4W

CSE

+

V

E

–V

OUT

V

OUT

V

F

V

OUT

12V/20A

–V

OUT

CSE

–

6 5

ME ME2

2 3 16

Si7370DP

×2

Si7852DPSi7852DP

L5

0.56µH

112

4

12V

D5

D6

3

5

1

6

•

••

•

9

7

V

E

+

0.1µF

Si7852DP

1

6

5

4

B

2

A

D3

LTC4440A-5

BOOSTINP

TG

TSGND

V

CC

12V

3

0.1µF

Si7852DP

1

6

5

42

B

D4

LTC4440A-5

BOOSTINP

TG

TSGND

V

CC

12V

1µF

100V

×3

V

IN

V

IN

–V

IN

42V TO 56V

1µF

100V

C1, C2

47µF

16V

×2

+

1µF

100V

1k

1/4W

1µF, 100V TDK C3225X7R2A105M

C1, C2: SANYO 16TQC47M

C3: AVX TPSE686M020R0150

C4: MURATA GHM3045X7R222K-GC

D2: DIODES INC. ES1B

D3-D6: BAS21

D7, D8: MMBZ5240B

L4: COILCRAFT DO1608C-105

L5: COILCRAFT DO1813P-561HC

L6: PULSE PA1294.132 OR

PANASONIC ETQP1H1R0BFA

R1, R2: IRC LRC2512-R03G

T1: PULSE PA0805.004

T2: PULSE PA0785

6

10

I

SNS

I

SNS

0.1µF

11

5 8

1

2

1

MOC207

C4

2.2nF

250V

0.1µF

3

6

5

8

GND-F

V

+

GND-S

COLL REF

LT1431CS8

A

1.5k

22Ω

4.7Ω4.7Ω

R2

0.03Ω

1.5W

V

E

470pF

100V

L6

1.25µH

10Ω

1W

6

93

EFFICIENCY (%)

94

95

96

97

8 10 12

LOAD CURRENT (A)

14

16 18 20

42V

IN

48V

IN

56V

IN

MMBT3904

•

LTC4440A-5

11

4440a5f

For more information www.linear.com/LTC4440A-5

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

MSOP (MS8E) 0911 REV J

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

6. EXPOSED PAD DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH ON E-PAD

SHALL NOT EXCEED 0.254mm (.010") PER SIDE.

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”

GAUGE PLANE

1 2

3

4

4.90 ±0.152

(.193 ±.006)

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

1.68

(.066)

1.88

(.074)

5.23

(.206)

MIN

3.20 – 3.45

(.126 – .136)

1.68 ±0.102

(.066 ±.004)

1.88 ±0.102

(.074 ±.004)

0.889 ±0.127

(.035 ±.005)

RECOMMENDED SOLDER PAD LAYOUT

0.65

(.0256)

BSC

0.42 ±0.038

(.0165 ±.0015)

TYP

0.1016 ±0.0508

(.004 ±.002)

DETAIL “B”

CORNER TAIL IS PART OF

THE LEADFRAME FEATURE.

FOR REFERENCE ONLY

NO MEASUREMENT PURPOSE

0.05 REF

0.29

REF

MS8E Package

8-Lead Plastic MSOP, Exposed Die Pad

(Reference LTC DWG # 05-08-1662 Rev J)

LTC4440A-5

12

4440a5f

For more information www.linear.com/LTC4440A-5

 LINEAR TECHNOLOGY CORPORATION 2013

LT 0913 • PRINTED IN USA

relaTeD parTs

Typical applicaTion

240W 42V-56V

IN

to Unregulated 12V Half-Bridge Converter

5

46

A

B

11V12VV

IN

MMBT3904

15

LTC3723EGN-2

DRVB

SDRB

SDRA

COMP

V

CC

UVLO

12

62k

330pF

12V

MMBZ5242B

150pF

1

0.47µF

1µF

DRVA

DPRG V

REF

RAMP SPRG GND SSCS FBC

T

470pF

0.47µF

4.7k

0.22µF

2N7002

B

CS

+

T3

1(1.5mH):0.5

T1

5:4:4:2:2

1µF

89 13

1k

22Ω

0.1µF

C1

2.2nF

250V

1µF

100V

1µF

100V

1µF

100V

1µF

100V

0.22µF

Si7370DP

×2

Si7852DP

×2

1

6

5

42

3

A

Si7370DP

×2

1500pF

100V

L2 0.22µH

L3

1mH

C3

68µF

V

F

•

11

3

2

8

1 9

5

4

16

10k

120Ω

30.1k

7 10 14

7.5Ω

D4 D5

7.5Ω

220pF

100Ω

10k 3k

4.7k

1/4W

100pF

215k

15k

1/4W

SYNC PV

CC

CSF

+

V

F

LTC3901EGN

CSF

–

8

11 12

1

4 10 13 7

1µF

4440A5 TA04

–V

OUT

10V

MMBZ5240B

1k

V

OUT

MF MF2

GND PGND GND2 PGND2 TIMER

V

CC

330pF

14 15

10k 3k

33.2k 100Ω

4.7k

1/4W

CSE

+

V

E

20Ω 1W

–V

OUT

V

OUT

V

OUT

–V

OUT

CSE

–

6 5

ME ME2

2 3 16

MMBT3904

Si7852DP

×2

L1

0.56µH

72

4

CS

+

T2

70(980µH):1

8

7

1

3

12V

D2

D1

D3

3

5

1

6

•

••

•

9

11

V

E

+

LTC4440A-5

BOOSTINP

TG

TSGND

V

CC

11V

1µF

100V

V

IN

V

IN

–V

IN

48V

IN

1µF

100V

C2

180µF

16V

+

1µF

1µF, 100V TDK C4532X7R2A105M

C1: MURATA DE2E3KH222MB3B

C2: SANYO 16SP180M

C3: AVX TPSE686M020R0150

D1-D3: BAS21

D4, D5: MMBD914

L1: COILCRAFT DO1813P-561HC

L2: SUMIDA CDEP105-0R2NC-50

L3: COILCRAFT DO1608C-105

T1: PULSE PA0801.005

T2: PULSE P8207

T3: PULSE PA0785

PART NUMBER DESCRIPTION COMMENTS

LTC4444/LTC4444-5 High Voltage Synchronous N-Channel MOSFET Driver with

Shoot-Through Protection

Up to 100V Supply Voltage, 7.2V ≤ V

CC

≤ 13.5V, 3A Peak

Pull-Up/0.55Ω Peak Pull-Down

LTC4446 High V

oltage Synchronous N-Channel MOSFET Driver

without Shoot-Through Protection

Up to 100V Supply Voltage, 7.2V ≤ V

CC

≤ 13.5V, 3A Peak

Pull-Up/0.55Ω Peak Pull-Down

LTC4441/L

TC4441-1 N-Channel MOSFET Gate Driver Up to 25V Supply Voltage, 5V ≤ V

CC

≤ 25V, 6A Peak Output Current

LTC3900 Synchronous Rectifier Driver for Forward Converters Programmable Time Out, Reverse Inductor Current Sense

LTC3901 Synchronous Rectifier Driver for Push-Pull and Full-Bridge

Converters

Programmable Time Out, Reverse Inductor Current Sense

LTC3722-1/LTC3722-2 Synchronous Dual Mode Phase Modulated Full-Bridge

Controllers

Adaptive Zero Voltage Switching, High Output Power Levels (Up to

Kilowatts)

LTC3723-1/LTC3723-2 Synchronous Push-Pull PWM Controllers Current Mode or Voltage Mode Controllers

LTC3765/LTC3766 Isolated Synchronous Forward Controller Chip Set Active Clamp Reset, Direct Flux Limit™ with Onboard Gate Drivers

Ideal for Medium Power 24V and 48V Input Applications

LT1952/LT1952-1 Synchronous Forward Active Clamp Controllers Ideal for Medium Power 24V and 48V Input Applications

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900

●

FAX: (408) 434-0507

●

www.linear.com/LTC4440A-5

LTC4440AHMS8E-5#PBF

LTC4440AHMS8E-5#PBF

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