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UC1638 Scheda tecnica(PDF) 2 Page - Texas Instruments |
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UC1638 Scheda tecnica(HTML) 2 Page - Texas Instruments |
2 / 9 page 2 UC1638 UC2638 UC3638 UC1638 UC2638 UC3638 ABSOLUTE MAXIMUM RATINGS for the highside switches in a full bridge configuration. The programmable AREFIN pin allows for single or dual supply operation. Oscillator ramp amplitude and PWM deadband are programmable by tapping a voltage di- vider off the 5V reference to the appropriate program- ming input (PVSET or DB). Additional features include a precision externally avail- able 5V reference, undervoltage lockout, pulse-by-pulse peak current limiting, and a remote shutdown port. The UC1638 family is available in the 20 pin N, DW and J packages. Consult the factory for other packaging op- tions. Supply Voltage VCC (referenced to VEE) .............40V Output Drivers (AOUT2, BOUT2) Currents (continuous) ........................ ±0.25A Currents (peak) ............................ ±500mA REF Output Current .................... Internally Limited PVSET, DB, RT, INV, REF, CSOUT .............0.3 to 10V CS+, CS- ............................. VEE–1V to VCC CT, AREF, AREFIN, COMP, SD ................VEE − 0.3 Output Voltage (AOUT1, BOUT1) ....................60V Storage temperature .................... −65°C to +150°C Junction Temperature ................... −55°C to +150°C Lead temperature (soldering, 10 sec.) .............. +300°C Currents are positive into, negative out of the specified termi- nal. Consult packaging section of data book for thermal limita- tion considerations of packages. DESCRIPTION (cont.) CONNECTION DIAGRAMS DIL-20 (Top View) NorJPackage SOIC-20 (Top View) DW Package PLCC-20 (Top View) Q Package |
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Descrizione simile - UC1638 |
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