SC4620MLTRT(2007) 查看數據表（PDF） - Semtech Corporation

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SC4620MLTRT
(Rev.:2007)

Low Input Voltage, High Effciency, 2.5A Integrated FET Synchronous Step down DC/DC Regulator

Semtech Corporation 

SC4620

POWER MANAGEMENT

Outline Drawing - MLPQ - 20

A

D

PIN 1

INDICATOR

(LASER MARK)

A

aaa C

A1

D1

E1

2

1

B

E

A2

DIMENSIONS

DIM

INCHES

MIN NOM MAX

MILLIMETERS

MIN NOM MAX

A .031 .035 .039 0.80 0.90 1.00

A1 .000 .001 .002 0.00 0.02 0.05

A2 - (.008) - - (0.20) -

b .007 .010 .012 0.18 0.25 0.30

D .154 .157 .161 3.90 4.00 4.10

D1 .100 .106 .110 2.55 2.70 2.80

E .154 .157 .161 3.90 4.00 4.10

E1 .100 .106 .110 2.55 2.70 2.80

e

.020 BSC

0.50 BSC

L .012 .016 .020 0.30 0.40 0.50

N

20

20

aaa

.004

0.10

bbb

.004

0.10

SEATING

PLANE

C

LxN

E/2

N

e

D/2

bxN

bbb

CAB

NOTES:

1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).

2. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS.

Land Pattern - MLPQ - 20

K

(C)

H

G

Z

Y

DIM

C

G

H

K

P

X

Y

Z

DIMENSIONS

INCHES

MILLIMETERS

(.156)

.122

.106

.106

.020

.010

.033

.189

(3.95)

3.10

2.70

2.70

0.50

0.25

0.85

4.80

X

P

NOTES:

1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.

CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR

COMPANY'S MANUFACTURING GUIDELINES ARE MET.

2. THERMAL VIAS IN THE LAND PATTERN OF THE EXPOSED PAD

SHALL BE CONNECTED TO A SYSTEM GROUND PLANE.

FAILURE TO DO SO MAY COMPROMISE THE THERMAL AND/OR

FUNCTIONAL PERFORMANCE OF THE DEVICE.

Contact Information

 2007 Semtech Corp.

Semtech Corporation

Power Management Products Division

200 Flynn Road, Camarillo, CA 93012

Phone: (805) 498-2111 Fax: (805) 498-3804

www.semtech.com

19

www.semtech.com

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