XC6221A451MR-G Ver la hoja de datos (PDF) - TOREX SEMICONDUCTOR

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XC6221A451MR-G

Low ESR Caps Compatible High Speed LDO Voltage Regulators with ON/OFF Switch

TOREX SEMICONDUCTOR 

XC6221 Series

■PACKAGING INFORMATION (Continued)

● SOT-25 Power Dissipation

Power dissipation data for the SOT-25 is shown in this page.

The value of power dissipation varies with the mount board conditions.

Please use this data as one of reference data taken in the described condition.

1. Measurement Condition (Reference data)

Condition : Mount on a board

Ambient : Natural convection

Soldering : Lead (Pb) free

Board : Dimensions 40×40mm（1600mm2 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

(Board of SOT-26 is used)

Material : Glass Epoxy（FR-4）

Thickness : 1.6mm

Through-hole : 4 x 0.8 Diameter

Evaluation Board (Unit: mm)

2. Power Dissipation vs. Ambient temperature

Board Mount (Tj max = 125℃)

Ambient Temperature (℃)

25

85

Power Dissipation Pd (mW)

600

240

Thermal Resistance (℃/W）

166.67

700

600

500

400

300

200

100

0

25

Pd vs Ta

45

65

85

105

125

Ambient Temperature Ta（℃）

22/28

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