NCP4545

http://onsemi.com

10

PACKAGE DIMENSIONS

QFN18, 3x3, 0.5P

CASE 485BF

ISSUE O

*For additional information on our Pb−Free strategy and soldering

details, please download the ON Semiconductor Soldering and

Mounting Techniques Reference Manual, SOLDERRM/D.

RECOMMENDED

PIN 1

REFERENCE

A

B

C

0.15

TOP VIEW

D

E

C

0.15

NOTES:

1. DIMENSIONS AND TOLERANCING PER ASME

Y14.5M, 1994.

2. CONTROLLING DIMENSION: MILLIMETERS.

3. DIMENSION b APPLIES TO PLATED TERMINAL

AND IS MEASURED BETWEEN 0.15 AND 0.30

MM FROM TERMINAL.

4. COPLANARITY APPLIES TO THE EXPOSED

PAD AS WELL AS THE TERMINALS.

E2

BOTTOM VIEW

b

0.10

18X

L

1

5

0.05

C AB

C

D2

e

K

4

13

18X

(A3)

C

C

0.08

C

0.10

SIDE VIEW

A1

A

SEATING

PLANE

DIM MIN

MAX

MILLIMETERS

A

0.80

1.00

A1

0.00

0.05

A3

0.20 REF

b

0.18

0.30

D

3.00 BSC

D2

1.75

1.95

E

3.00 BSC

E2

1.75

1.95

e

0.50 BSC

K

0.20

−−−

L 0.275 0.375

NOTE 3

L1

DETAIL A

DETAIL B

EDGE OF PACKAGE

MOLD CMPD

EXPOSED Cu

L

OPTIONAL

CONSTRUCTION

OPTIONAL

CONSTRUCTION

L1

0.00

0.15

NOTE 4

DETAIL B

3.30

18X

DIMENSION: MILLIMETERS

0.53

1.95

1.95

0.50

PITCH

18X

0.31

MOUNTING FOOTPRINT

DETAIL A

3.30

L

9

10

18

PACKAGE

OUTLINE

ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to

any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability

arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.

“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All

operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights

nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications

intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer

purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,

and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death

associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal

Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

NCP4545/D

ecoSwitch is a trademark of Semiconductor Components Industries, LLC (SCILLC).

PUBLICATION ORDERING INFORMATION

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