XC6504 Datasheet, PDF (26/32 Pages) Torex Semiconductor – 0.6A Ultra Low Power Consumption Small Voltage Regulator (CL Capacitor-Less)

XC6504 Series
■PACKAGING INFORMATION (Continued)
● USPN-4B02 Power Dissipation
Power dissipation data for the USPN-4B02 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 (1600mm² in one side)
Copper (Cu) traces occupy 50% of the front and 50% of the back.
The copper area is divided into four block,
One block is 12.5% of total.
The USPN-4B02 package has for terminals.
Each terminal connects one copper block in the front
and one in the back.
Material:
Glass Epoxy (FR-4)
Thickness:
1.6 mm
Through-hole: 4 x 0.8 Diameter
40.0
2.5
28.9
2. Power Dissipation vs. Ambient Temperature
Board Mount (Tjmax=125℃)
Ambient Temperature (℃)
25
85
Power Dissipation Pd (mW)
550
220
Evaluation Board (Unit: mm)
Thermal Resistance (℃/W)
181.82
600
500
400
300
200
100
0
25
Pd-Ta特_Pd性_vsグ_{. T}ラ_a フ
45
65
85
105
125
Ambi_周ent_囲Te_温mp_度er_Tat_au_（re_℃: T_）a (℃)
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