XC6504 Datasheet, PDF (27/32 Pages) Torex Semiconductor – 0.6A Ultra Low Power Consumption Small Voltage Regulator (CL Capacitor-Less)

■PACKAGING INFORMATION (Continued)
● SSOT-24 Power Dissipation
Power dissipation data for the SSOT-24 is shown in this page.
The value of power dissipation varies with the mount board conditions.
Please use this data as the reference data taken in the following condition.
1. Measurement Condition
Condition:
Mount on a board
Ambient:
Natural convection
Soldering:
Board:
Lead (Pb) free
Dimensions 40 x 40 mm (1600 mm² in one side)
Copper (Cu) traces occupy 50% of the board area
In top and back faces
Package heat-sink is tied to the copper traces
Material:
Glass Epoxy (FR-4)
Thickness:
1.6 mm
Through-hole:
4 x 0.8 Diameter
XC6504
Series
40.0
28.9
2. Power Dissipation vs. Ambient Temperature
Board Mount (Tj max = 125℃)
Ambient Temperature（℃）
25
85
Power Dissipation Pd（mW）
500
200
2.54 1.4
Evaluation Board (Unit: mm)
Thermal Resistance (℃/W)
200.00
600
500
400
300
200
100
0
25
Pd-T_Pa_d特_vs性 _{. Ta}グラフ
45
65
85
105
125
Ambient周 Te辺 mp温 era度turTea: （Ta℃(℃）)
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