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參數(shù)資料
| 型號： | PC33394FC |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.2 A SWITCHING CONTROLLER, 220 kHz SWITCHING FREQ-MAX, PQCC44 |
| 封裝： | PLASTIC, QFN-44 |
| 文件頁數(shù)： | 36/44頁 |
| 文件大?。?/td> | 641K |
| 代理商： | PC33394FC |
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33394
41
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
PACKAGE DIMENSIONS
DWB SUFFIX
54–LEAD SOICW–EP
PLASTIC PACKAGE
CASE 1377–01
ISSUE B
NOTES:
1. ALL DIMENSIONS ARE IN MILLIMETERS.
2. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
3. DATUMS B AND C TO BE DETERMINED AT THE
PLANE WHERE THE BOTTOM OF THE LEADS
EXIT THE PLASTIC BODY.
4. THIS DIMENSION DOES NOT INCLUDE MOLD
FLASH, PROTRUSION OR GATE BURRS. MOLD
FLASH, PROTRUSION OR GATE BURRS SHALL
NOT EXCEED 0.15 MM PER SIDE. THIS
DIMENSION IS DETERMINED AT THE PLANE
WHERE THE BOTTOM OF THE LEADS EXIT THE
PLASTIC BODY.
5. THIS DIMENSION DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH AND PROTRUSIONS SHALL
NOT EXCEED 0.25 MM PER SIDE. THIS
DIMENSION IS DETERMINED AT THE PLANE
WHERE THE BOTTOM OF THE LEADS EXIT THE
PLASTIC BODY.
6. THIS DIMENSION DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL NOT CAUSE THE LEAD
WIDTH TO EXCEED 0.46 MM. DAMBAR CANNOT
BE LOCATED ON THE LOWER RADIUS OR THE
FOOT. MINIMUM SPACE BETWEEN PROTRUSION
AND ADJACENT LEAD SHALL NOT LESS THAN
0.07 MM.
7. EXACT SHAPE OF EACH CORNER IS OPTIONAL.
8. THESE DIMENSIONS APPLY TO THE FLAT
SECTION OF THE LEAD BETWEEN 0.1 MM AND
0.3 MM FROM THE LEAD TIP.
9. THE PACKAGE TOP MAY BE SMALLER THAN THE
PACKAGE BOTTOM. THIS DIMENSION IS
DETERMINED AT THE OUTERMOST EXTREMES
OF THE PLASTIC BODY EXCLUSIVE OF MOLD
FLASH, TIE BAR BURRS, GATE BURRS AND
INTER–LEAD FLASH, BUT INCLUDING ANY
MISMATCH BETWEEN THE TOP AND BOTTOM OF
THE PLASTIC BODY.
CL
17.8
7.4
1
27
28
54
0.10
A
2.35
SEATING
PLANE
0.9
SECTION B–B
0.65
R0.08 MIN
B
A
(0.29)
0.38
0.30
(0.25)
PLATING
BASE METAL
SECTION A–A
ROTATED 90 CLOCKWISE
_
8
0.25
0.22
9
5
0.13 M
C
AB
6
A
C
7.6
18.0
9
4
10.3
5.15
A
54X
52X
2.65
0.3
A
2X 27 TIPS
B
C
BB
0.1
0.0
0.5
0°
8°
0°
0.25
GAUGE PLANE
MIN
PIN 1 INDEX
C
(1.43)
6.6
5.9
0.30
C
AB
4.8
4.3
0.30
C
AB
VIEW C–C
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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