參數(shù)資料
型號: R3117K071C-C-F
廠商: RICOH COMPANY LTD
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO4
封裝: 1 X 1 MM, LEAD FREE, DFN-4
文件頁數(shù): 19/29頁
文件大小: 456K
代理商: R3117K071C-C-F
PACKAGE INFORMATION
PE-SC-88A-080709
POWER DISSIPATION (SC-88A)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
Measurement Conditions
Standard Land Pattern
Environment
Mounting on Board (Wind velocity=0m/s)
Board Material
Glass cloth epoxy plastic (Double sided)
Board Dimensions
40mm
× 40mm × 1.6mm
Copper Ratio
Top side : Approx. 50%, Back side : Approx. 50%
Through-hole
φ0.5mm × 44pcs
Measurement Result
(Topt=25
°C, Tjmax=125°C)
Standard Land Pattern
Free Air
Power Dissipation
380mW
150mW
Thermal Resistance
θja=(12525°C)/0.38W=263°C/W
θja=(12525°C)/0.15W=667°C/W
Thermal Resistance
θjc=75°C/W
0
50
100
25
75 85
125
150
Ambient Temperature (
°C)
0
200
100
300
400
150
380
500
600
Power
Dissipation
P
D
(mW)
On Board
Free Air
40
Power Dissipation
IC Mount Area
(Unit: mm)
RECOMMENDED LAND PATTERN
0.35
0.7
1.90
0.65
(Unit: mm)
Measurement Board Pattem
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