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參數(shù)資料
| 型號(hào)： | R1234D141B |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| 中文描述： | 脈寬調(diào)制/ VFM的降壓型DC / DC同步整流變換器 |
| 文件頁(yè)數(shù)： | 25/26頁(yè) |
| 文件大?。?/td> | 876K |
| 代理商： | R1234D141B |
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PACKAGE INFORMATION
POWER DISSIPATION (SON-8)
PE-SON-8-0611
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
480mW
Thermal Resistance
θ
ja
=
(125
25
°
C)/0.48W
=
208
°
C/W
Free Air
300mW
333
°
C/W
0
50
100
25
75 85
125
150
Ambient Temperature (
°
C)
0
200
100
300
400
480
500
600
P
D
(
On Board
Free Air
4
40
Power Dissipation
Measurement Board Pattern
IC Mount Area (Unit : mm)
RECOMMENDED LAND PATTERN
0.65
0
1
0.35
(Unit: mm)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1234D151A | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D151B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D161A | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D161B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D171A | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1234D151A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D151B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D161A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D161B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D171A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
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