R1212D002A RICOH [RICOH electronics devices division], R1212D002A Datasheet - Page 40

• Manufacturer Part Number: R1212D002A
• Description: STEP-UP DC/DC CONTOLLER
• Manufacturer: RICOH [RICOH electronics devices division]

POWER DISSIPATION (SON-8)
This specification is at mounted on board. Power Dissipation (P
This specification is based on the measurement at the condition below:
Measurement Conditions
Measurement Result
RECOMMENDED LAND PATTERN
PACKAGE INFORMATION
Thermal Resistance
Power Dissipation
600
500
400
300
200
100
Board Dimensions
0
Board Material
Through-hole
0
Copper Ratio
Environment
480
25
Power Dissipation
Ambient Temperature (°C)
50
On Board
θja=(125−25°C)/0.48W=208°C/W
75 85
Top side : Approx. 50% , Back side : Approx. 50%
Standard Land Pattern
Free Air
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
100
480mW
0.35
40mm × 40mm × 1.6mm
Standard Land Pattern
0.65
125
φ0.5mm × 44pcs
150
(Unit: mm)
D
) depends on conditions of mounting on board.
Measurement Board Pattern
IC Mount Area (Unit : mm)
40
333°C/W
Free Air
300mW
(Topt=25°C,Tjmax=125°C)
PE-SON-8-0510