UC3842B, UC3843B, UC2842B, UC2843B
http://onsemi.com
19
SOIC14
D SUFFIX
CASE 751A
SOIC8
D1 SUFFIX
CASE 751
MARKING DIAGRAMS
PDIP8
N SUFFIX
CASE 626
x = 2 or 3
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G or G = PbFree Package
UC3843BVN
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
UC2843DDG
AWLYWW
1
14
2843D
ALYW
G
1
8
UC3842B, UC3843B, UC2842B, UC2843B
http://onsemi.com
20
PACKAGE DIMENSIONS
PDIP8
N SUFFIX
CASE 62605
ISSUE N
14
58
b2
NOTE 8
D
b
L
A1
A
eB
E
A
TOP VIEW
C
SEATING
PLANE
0.010 CA
SIDE VIEW
END VIEW
END VIEW
WITH LEADS CONSTRAINED
DIM MIN MAX
INCHES
A −−−− 0.210
A1 0.015 −−−−
b 0.014 0.022
C 0.008 0.014
D 0.355 0.400
D1 0.005 −−−−
e 0.100 BSC
E 0.300 0.325
M −−−− 10
−−− 5.33
0.38 −−−
0.35 0.56
0.20 0.36
9.02 10.16
0.13 −−−
2.54 BSC
7.62 8.26
−−− 10
MIN MAX
MILLIMETERS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: INCHES.
3. DIMENSIONS A, A1 AND L ARE MEASURED WITH THE PACK-
AGE SEATED IN JEDEC SEATING PLANE GAUGE GS3.
4. DIMENSIONS D, D1 AND E1 DO NOT INCLUDE MOLD FLASH
OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS ARE
NOT TO EXCEED 0.10 INCH.
5. DIMENSION E IS MEASURED AT A POINT 0.015 BELOW DATUM
PLANE H WITH THE LEADS CONSTRAINED PERPENDICULAR
TO DATUM C.
6. DIMENSION E3 IS MEASURED AT THE LEAD TIPS WITH THE
LEADS UNCONSTRAINED.
7. DATUM PLANE H IS COINCIDENT WITH THE BOTTOM OF THE
LEADS, WHERE THE LEADS EXIT THE BODY.
8. PACKAGE CONTOUR IS OPTIONAL (ROUNDED OR SQUARE
CORNERS).
E1 0.240 0.280 6.10 7.11
b2
eB −−−− 0.430 −−− 10.92
0.060 TYP 1.52 TYP
E1
M
8X
c
D1
B
A2 0.115 0.195 2.92 4.95
L 0.115 0.150 2.92 3.81
°°
H
NOTE 5
e
e/2
A2
NOTE 3
M
B
M
NOTE 6
M
UC3842B, UC3843B, UC2842B, UC2843B
http://onsemi.com
21
PACKAGE DIMENSIONS
SOIC8
D1 SUFFIX
CASE 75107
ISSUE AK
SEATING
PLANE
1
4
58
N
J
X 45
_
K
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION 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.
6. 75101 THRU 75106 ARE OBSOLETE. NEW
STANDARD IS 75107.
A
B
S
D
H
C
0.10 (0.004)
DIM
A
MIN MAX MIN MAX
INCHES
4.80 5.00 0.189 0.197
MILLIMETERS
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.053 0.069
D 0.33 0.51 0.013 0.020
G 1.27 BSC 0.050 BSC
H 0.10 0.25 0.004 0.010
J 0.19 0.25 0.007 0.010
K 0.40 1.27 0.016 0.050
M 0 8 0 8
N 0.25 0.50 0.010 0.020
S 5.80 6.20 0.228 0.244
X
Y
G
M
Y
M
0.25 (0.010)
Z
Y
M
0.25 (0.010) Z
S
X
S
M
____
1.52
0.060
7.0
0.275
0.6
0.024
1.270
0.050
4.0
0.155
ǒ
mm
inches
Ǔ
SCALE 6:1
*For additional information on our PbFree strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*

UC3843BDR2G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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