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TDA21201-B7 Scheda tecnica(PDF) 4 Page - Infineon Technologies AG |
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TDA21201-B7 Scheda tecnica(HTML) 4 Page - Infineon Technologies AG |
4 / 15 page Preliminary Data Sheet TDA21201 Page 4 Apr-29, 2002 Operating Conditions At Tj = 25 °C, unless otherwise specified Values Parameter Symbol Conditions Min. Typ. Max. Unit Voltage supplied to ‘VCC’ pins VCC 9 15 Voltage ‘IN’ Low VIN_L -0.5 0.8 Voltage ‘IN’ High VIN_H 2.1 5.5 V Input signal transition frequency f 100 500 KHz Pulse width Input tP_IN 90 ns Power dissipation PTOT 10 W Junction temperature TJ -25 125 °C Timing Diagram Typical application A circuit designer will value the Integrated Switch TDA21201 as cost-optimized power stage solution in high-density DC/DC conversion applications using a Vcc = 12 V input where efficiency and board space is an issue, e.g. in multi-phase microprocessor supplies on motherboards, in VRMs and servers. The TDA21201 can also be used to power Logic circuits, Memory banks etc. that require higher voltages, e.g. 2.5 or 3.3 V. The efficiency of the Integrated Switch and the overall efficiency of the converter will even go up at these elevated output voltages compared to the 1.6 V efficiency given later on in this data sheet. td(on) td(off) VIN VOUT 50% 50% td(on) td(off) |
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