UC2844BN

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P19

UC3844B, UC3845B, UC2844B, UC2845B

http://onsemi.com

16

MARKING DIAGRAMS

SOIC−14

D SUFFIX

CASE 751A

SOIC−8

D1 SUFFIX

CASE 751

PDIP−8

N SUFFIX

CASE 626

UC384xBVN

AWL

YYWWG

1

8

UC384xBVDG

AWLYWW

1

14

384xB

ALYWV

G

1

8

UC384xBN

AWL

YYWWG

1

8

UC284xBN

AWL

YYWWG

1

8

UC384xBDG

AWLYWW

1

14

UC284xBDG

AWLYWW

1

14

384xB

ALYW

G

1

8

284xB

ALYW

G

1

8

x = 4 or 5

A = Assembly Location

WL, L = Wafer Lot

YY, Y = Year

WW, W = Work Week

G or G = Pb−Free Package

UC3844B, UC3845B, UC2844B, UC2845B

http://onsemi.com

17

PACKAGE DIMENSIONS

PDIP−8

N SUFFIX

CASE 626−05

ISSUE L

NOTES:

1. DIMENSION L TO CENTER OF LEAD WHEN

FORMED PARALLEL.

2. PACKAGE CONTOUR OPTIONAL (ROUND OR

SQUARE CORNERS).

3. DIMENSIONING AND TOLERANCING PER ANSI

Y14.5M, 1982.

14

58

F

NOTE 2

−A−

−B−

−T−

SEATING

PLANE

H

J

G

D

K

N

C

L

M

M

A

M

0.13 (0.005) B

M

T

DIM MIN MAX MIN MAX

INCHESMILLIMETERS

A 9.40 10.16 0.370 0.400

B 6.10 6.60 0.240 0.260

C 3.94 4.45 0.155 0.175

D 0.38 0.51 0.015 0.020

F 1.02 1.78 0.040 0.070

G 2.54 BSC 0.100 BSC

H 0.76 1.27 0.030 0.050

J 0.20 0.30 0.008 0.012

K 2.92 3.43 0.115 0.135

L 7.62 BSC 0.300 BSC

M --- 10 --- 10

N 0.76 1.01 0.030 0.040

__

UC3844B, UC3845B, UC2844B, UC2845B

http://onsemi.com

18

SOIC−14

CASE 751A−03

ISSUE H

NOTES:

1. DIMENSIONING AND TOLERANCING PER

ANSI Y14.5M, 1982.

2. CONTROLLING DIMENSION: MILLIMETER.

3. DIMENSIONS A AND B DO NOT INCLUDE

MOLD PROTRUSION.

4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)

PER SIDE.

5. DIMENSION D DOES NOT INCLUDE

DAMBAR PROTRUSION. ALLOWABLE

DAMBAR PROTRUSION SHALL BE 0.127

(0.005) TOTAL IN EXCESS OF THE D

DIMENSION AT MAXIMUM MATERIAL

CONDITION.

−A−

−B−

G

P

7 PL

14

8

7

1

M

0.25 (0.010) B

M

S

B

M

0.25 (0.010) A

S

T

−T−

F

R

X 45

SEATING

PLANE

D 14 PL

K

C

J

M

_

DIM MIN MAX MIN MAX

INCHESMILLIMETERS

A 8.55 8.75 0.337 0.344

B 3.80 4.00 0.150 0.157

C 1.35 1.75 0.054 0.068

D 0.35 0.49 0.014 0.019

F 0.40 1.25 0.016 0.049

G 1.27 BSC 0.050 BSC

J 0.19 0.25 0.008 0.009

K 0.10 0.25 0.004 0.009

M 0 7 0 7

P 5.80 6.20 0.228 0.244

R 0.25 0.50 0.010 0.019

__ __

7.04

14X

0.58

14X

1.52

1.27

DIMENSIONS: MILLIMETERS

1

PITCH

SOLDERING FOOTPRINT

7X

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P19

UC2844BN

Mfr. #:

Manufacturer:

STMicroelectronics

Description:

Switching Controllers 0.5mA Current Mode

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

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