R1211N002A_06 Datasheet, PDF (36/40 Pages) RICOH electronics devices division – STEP-UP DC/DC CONTROLLER

PACKAGE INFORMATION
PE-SOT-23-6W-0512
POWER DISSIPATION (SOT-23-6W)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
Measurement Conditions
Environment
Board Material
Board Dimensions
Copper Ratio
Through-hole
Standard Land Pattern
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
40mm × 40mm × 1.6mm
Top side : Approx. 50% , Back side : Approx. 50%
φ0.5mm × 44pcs
Measurement Result
Power Dissipation
Thermal Resistance
(Topt=25°C,Tjmax=125°C)
Standard Land Pattern
430mW
θja=(125−25°C)/0.43W=233°C/W
600
500
On Board
40
430
400
300
200
100
0
0
25
50
75 85 100 125 150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area Unit : mm
RECOMMENDED LAND PATTERN (SOT-23-6W)
0.7 MAX.
0.95 0.95
1.9
(Unit: mm)