參數(shù)資料
型號: R1212D100B
廠商: Ricoh Co., Ltd.
英文描述: STEP-UP DC/DC CONTOLLER
中文描述: 升壓型DC /直流位指示
文件頁數(shù): 40/41頁
文件大小: 690K
代理商: R1212D100B
PACKAGE INFORMATION
POWER DISSIPATION (SON-8)
PE-SON-8-0510
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)
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