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R1515X Datasheet, PDF (16/20 Pages) RICOH electronics devices division – 50mA VOLTAGE REGULATOR (Wide Input Voltage Range)
PACKAGE INFORMATION
PE-SOT-89-5-0611
POWER DISSIPATION (SOT-89-5)
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
High Wattage Land Pattern
Environment
Mounting on Board (Wind velocity=0m/s)
Board Material Glass cloth epoxy plactic (Double sided)
Board
Dimensions
Copper Ratio
30mm × 30mm × 1.6mm
Top side : Approx. 20% ,
Back side : Approx. 100%
Through-hole
φ0.85mm × 10pcs
Standard Land Pattern
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
50mm × 50mm × 1.6mm
Top side : Approx. 10% ,
Back side : Approx. 100%
-
Measurement Result
Power Dissipation
Thermal Resistance
High Wattage Land Pattern
1300mW
77°C/W
Standard Land Pattern
900mW
111°C/W
(Topt=25°C,Tjmax=125°C)
Free Air
500mW
200°C/W
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
0
On Board
(High Wattage Land Pattern)
On Board
(Standard Land Pattern)
Free Air
25 50 75 85 100 125 150
Ambient Temperature (°C)
Power Dissipation
30
7.5
15
50
High Wattage
Standard
Measurement Board Pattern
IC Mount Area (Unit : mm)
RECOMMENDED LAND PATTERN (SOT-89-5)
0.7 Max. 1.0 0.7 Max.
45°
2.0
1.5
1.5
(Unit : mm)