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HCF1305-2R2-R 数据表(PDF) 33 Page - Microchip Technology

部件名 HCF1305-2R2-R
功能描述  12V, 9A High-Efficiency SuperSwitcher™ II Buck Regulator
PDF  39 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

HCF1305-2R2-R 数据表(HTML) 33 Page - Microchip Technology

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2025-2026 Microchip Technology Inc. and its subsidiaries
DS20007043B-page 33
MIC24054
RECOMMENDED LAND PATTERN
Dimension Limits
Units
Center Pad Length
Contact Pitch
Y2
MILLIMETERS
0.65 BSC
MIN
E
MAX
NOM
1
2
28
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Notes:
Dimensioning and tolerancing per ASME Y14.5M
For best soldering results, thermal vias, if used, should be filled or tented to avoid solder loss during
reflow process
1.
2.
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
Note:
C1
C2
EV
X2
EV
Y2
Y3
G2
Y1
G1
G3
G4
G5
X3
X4
X1
G6
Center Pad Width
X2
3.70
Center Pad Width
X3
2.20
Center Pad Width
X4
0.90
1.60
2.83
Dimension Limits
Units
C2
Contact Pad Spacing
MILLIMETERS
MIN
MAX
5.80
Contact Pad Length
Contact Pad Width
Y1
X1
0.40
0.30
NOM
C1
Contact Pad Spacing
4.80
Contact Pad to Contact Pad
G2
0.35
Thermal Via Diameter
V
Thermal Via Pitch
EV
0.30
1.00
Contact Pad to Center Pad
G1
0.12
Center Pad Length
Y3
ØV
E
Contact Pad to Center Pad
G4
0.60
Center Pad to Center Pad
G3
0.35
Center Pad to Center Pad
G5
0.13
Contact Pad to Center Pad
G6
0.35
SILK SCREEN
28-Lead Very Thin Plastic Quad Flat, No Lead Package (PKA) - 5x6x0.9 mm Body [VQFN]
With Multiple Exposed Pads and Fused Terminals; Micrel Legacy QFN56-28LD-PL-1
Microchip Technology Drawing C04-3120 Rev A



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