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STMPS2151STR Datasheet(PDF) 10 Page - STMicroelectronics |
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STMPS2151STR Datasheet(HTML) 10 Page - STMicroelectronics |
10 / 30 page Ambient temperature STMPS2141, STMPS2151, STMPS2161, STMPS2171 10/30 4 Ambient temperature In Enable operating mode, an amount of power is dissipated as heat in the power switch due to the on-resistance. The power dissipation is: P = I2R Table 4. SOT23-5L (160 °C/W) Part number Max current Max RON at 5V Power dissipation Temperature difference (Junction and Ambient) Maximum ambient temperature (at Junction temperature 125 °C) STMPS2141 0.50 A 130 m Ω 32.5 mW 6.2 118.8 STMPS2151 STMPS2161 1.00 A 130 m Ω 130.0 mW 24.8 100.2 STMPS2171 Table 5. MSOP8 (220 °C/W) Part number Max current Max RON at 5 V Power dissipation Temperature difference (Junction and Ambient) Maximum ambient temperature (at Junction temperature 125 °C) STMPS2141 0.50 A 130 m Ω 32.5 mW 7.2 117.8 STMPS2151 STMPS2161 1.00 A 130 m Ω 130.0 mW 28.6 96.4 STMPS2171 Table 6. SO-8 (160 °C/W) Part number Max current Max RON at 5V Power dissipation Temperature difference (Junction and Ambient) Maximum ambient temperature (at Junction temperature 125 °C) STMPS2141 0.50 A 130 m Ω 32.5 m Ω 5.2 124.8 STMPS2151 STMPS2161 1.00 A 130 m Ω 130.0 m Ω 20.8 104.2 STMPS2171 |
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