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参数资料
| 型号： | R3114K491C-TR-F |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO4 |
| 封装： | 1 X 1 MM, LEAD FREE, DFN-4 |
| 文件页数： | 23/26页 |
| 文件大小： | 681K |
| 代理商： | R3114K491C-TR-F |
R3114x
6
0
100
200
300
400
500
600
0
25
50
75
100
125
150
Ambience Temperature (°C)
Po
we
rDi
ss
ip
a
tio
n
PD
(m
W)
250
420
525
85
Free Air
On Board
SOT-23-5
This specification is mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurements at the condition below:
(Power Dissipation of SOT-23-5 is substitution of SOT-23-6)
Measurement Conditions
Standard Land Pattern
Environment
Mounting on Board (Wind velocity=0m/s)
Board Material
Glass cloth epoxy plastic (Double sided)
Board Dimensions
40mm x 40mm x 1.6mm
Copper Ratio
Top side : Approx. 50%, Back side Approx. 50%
Through-hole
φ0.5mm x 44pcs
Measurement Result
(Topt=25°C, Tjmax=125°C)
Standard Land Pattern
Free Air
Power Dissipation
420mW
250mW
Thermal Resistance
Θja=(125-25°C)/0.42W=238°C /W
400°C /W
Measurement Board Pattern
Power Dissipation
IC Mount Area Unit : mm
- Use in the oblique-line-area might be influence the product-life cycle, please suppress by 9,000 hours
about use. 9,000 hours will correspond in six years when using it for four hours a day.
40
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