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HT7540-2 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc |
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HT7540-2 Datasheet(HTML) 3 Page - Holtek Semiconductor Inc |
3 / 9 page Pin Descriptions Pin No. Pin Name Pin Description 1 GND Ground pin 2 VIN Input pin 3 VOUT Output pin Electrical Characteristics VIN =VOUT+2V, CIN=CO=10 mF Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit Conditions VIN Input Voltage ¾¾ ¾ 24 V VOUT Output Voltage Tolerance IOUT=10mA -1% +1% V IOUT Output Current 3.0V £VOUT£4.4V 70 100 ¾ mA VOUT =5.0V 100 150 ¾ mA DVOUT Load Regulation 3.0V £VOUT£3.6V 1mA £IOUT£50mA ¾ 10 45 mV 4.0V £VOUT£5.0V 1mA £IOUT£50mA ¾ 13 65 mV VOUT=5.0V 1mA £IOUT£70mA ¾ 17 80 mV VDIF Voltage Drop (Note) IOUT=10mA, DVOUT=2% 3.0V £VOUT<3.6V ¾ 0.23 0.41 V VOUT =3.6V 0.19 0.35 V 4.0V £VOUT<5.0V 0.16 0.30 V VOUT=5.0V 0.12 0.25 V ISS Quiescent Current No load ¾ 2.5 5.0 mA VIN Line Regulation VIN=VOUT+1V £VIN£24V, IOUT=1mA ¾ 0.1 0.2 %/V Temperature Coefficient IOUT=10mA -40 °C<Ta<85°C 3.0V £VOUT£5.0V ¾ 100 ¾ ppm/ °C Note: Dropout voltage is defined as the input voltage minus the output voltage that produces a 2% change in the output voltage from the value at VIN =VOUT+2V with a fixed load. HT75XX-2 Rev. 1.00 3 October 6, 2010 D V O U T D T a |
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