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UC3525BDWTR Datasheet(PDF) 2 Page - Texas Instruments |
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UC3525BDWTR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 15 page 2 UC1525B UC1527B UC2525B UC2527B UC3525B UC3527B DIL-16, SOIC-16 (Top View) J or N, DW Packages ABSOLUTE MAXIMUM RATINGS Supply Voltage, (+VIN) ........................... +40V Collector Supply Voltage (VC)...................... +40V Logic Inputs ............................ –0.3V to +5.5V Analog Inputs............................. –0.3V to VIN Output Current, Source or Sink ................... 500mA Reference Output Current ........................ 50mA Oscillator Charging Current ........................5mA Power Dissipation at TA = +25°C................. 1000mW Power Dissipation at TC = +25°C ................ 2000mW Operating Junction Temperature .......... –55°C to +150°C Storage Temperature Range ............. –65°C to +150°C Lead Temperature (Soldering, 10 sec.) ............. +300°C All currents are positive into, negative out of the specified ter- minal. Consult Packaging Section of Databook for thermal limi- tations and considerations of packages. CONNECTION DIAGRAMS LCC-20, PLCC-20 (Top View) L, Q Packages RECOMMENDED OPERATING CONDITIONS (Note 1) Input Voltage (+VIN) .......................+8V to +35V Collector Supply Voltage (VC) .............. +4.5V to +35V Sink/Source Load Current (steady state) ........0to 100mA Sink/Source Load Current (peak) ..............0to 400mA Reference Load Current ......................0to 20mA Oscillator Frequency Range .............. 100Hz to 400kHz Oscillator Timing Resistor ..................2k Ω to 150kΩ Oscillator Timing Capacitor .............. 0.001 µFto0.1µF Dead Time Resistor Range ...................0 Ω to 500Ω Note 1: Range over which the device is functional and parame- ter limits are guaranteed. ELECTRICAL CHARACTERISTICS:Unless otherwise stated, these specifications apply for TA = –55°C to +125°C for the UC1525B and UC1527B; –40°C to +85°C for the UC2525B and UC2527B; 0°C to +70°C for the UC3525B and UC3527B; +VIN = 20V, TA =TJ. PARAMETER TEST CONDITIONS UC1525B/UC2525B UC1527B/UC2527B UC3525B UC3527B MIN TYP MAX MIN TYP MAX UNITS Reference Section Output Voltage TJ = 25°C 5.062 5.10 5.138 5.036 5.10 5.164 V Line Regulation VIN = 8V to 35V 5 10 5 10 mV Load Regulation IL = 0mA to 20mA 7 15 7 15 mV Temperature Stability (Note 2) Over Operating Range 10 50 10 50 mV Total Output Variation Line, Load, and Temperature 5.036 5.164 5.024 5.176 V Short Circuit Current VREF = 0, TJ =25°C 80 100 80 100 mA Output Noise Voltage (Note 2) 10Hz ≤ f ≤10kHz, TJ = 25°C 40 200 40 200 µVrms Long Term Stability (Note 2) TJ = 125°C, 1000 Hrs. 3 10 3 10 mV |
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