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參數(shù)資料
| 型號(hào)： | R1218N021A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | Step-up DC/DC converter for White LED Backlight |
| 中文描述： | 升壓直流/直流轉(zhuǎn)換器的白光LED背光 |
| 文件頁(yè)數(shù)： | 17/21頁(yè) |
| 文件大?。?/td> | 679K |
| 代理商： | R1218N021A |
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PACKAGE INFORMATION
POWER DISSIPATION (SOT-23-6)
PE-SOT-23-6-0611
This specification is at mounted on board. Power Dissipation (P
D
) 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 plactic (Double sided)
Board Dimensions
40mm
×
40mm
×
1.6mm
Copper Ratio
Top side : Approx. 50% , Back side : Approx. 50%
Through-hole
φ
0.5mm
×
44pcs
Measurement Result
(Topt=25
°
C,Tjmax=125
°
C)
Standard Land Pattern
Power Dissipation
420mW
Thermal Resistance
θ
ja
=
(125
25
°
C)/0.42W
=
263
°
C/W
Free Air
250mW
400
°
C/W
0
50
100
25
75 85
125
150
Ambient Temperature (
°
C)
0
200
100
300
400
420
500
600
P
D
(
On Board
4
40
Power Dissipation
Measurement Board Pattern
IC Mount Area Unit : mm
RECOMMENDED LAND PATTERN
0.7 MAX.
0.95
0.95
1.9
2
1
(Unit: mm)
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PDF描述 |
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| R1218N022A | Step-up DC/DC converter for White LED Backlight |
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| R1218N032A | Step-up DC/DC converter for White LED Backlight |
| R1218N041A | Step-up DC/DC converter for White LED Backlight |
| R1218N052A | Step-up DC/DC converter for White LED Backlight |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1218N022A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N031A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N032A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N041A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N042A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
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