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SA03 Scheda tecnica(PDF) 1 Page - Cirrus Logic |
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SA03 Scheda tecnica(HTML) 1 Page - Cirrus Logic |
1 / 4 page APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com 1 FEATURES • WIDE SUPPLY RANGE—16-100V • 30A CONTINUOUS TO 60°C case • 3 PROTECTION CIRCUITS • ANALOG OR DIGITAL INPUTS • SYNCHRONIZED OR EXTERNAL OSCILLATOR • FLEXIBLE FREQUENCY CONTROL APPLICATIONS • MOTORS TO 4HP • REACTIVE LOADS • LOW FREQUENCY SONAR • LARGE PIEZO ELEMENTS • OFF-LINE DRIVERS • C-D WELD CONTROLLER DESCRIPTION The SA03 is a pulse width amplifier that can supply 3000W to the load. An internal 45kHz oscillator requires no external components. The clock input stage divides the oscillator frequency by two, which provides the basic switching of 22.5 kHz. External oscillators may also be used to lower the switching frequency or to synchronize multiple amplifiers. Current sensing is provided for each half of the bridge giv- ing amplitude and direction data. A shutdown input turns off all four drivers of the H bridge output. A high side current limit and the programmable low side current limit protect the amplifier from shorts to supply or ground in addition to load shorts. The H bridge output MOSFETs are protected from thermal overloads by directly sensing the temperature of the die. The 12-pin hermetic MO-127 power package occupies only 3 square inches of board space. BLOCK DIAGRAM AND TYPICAL APPLICATION EXTERNAL CONNECTIONS M I C R O T E C H N O L O G Y SA03 12-PIN POWER DIP PACKAGE STYLE CR |
Codice articolo simile - SA03_06 |
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Descrizione simile - SA03_06 |
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