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UC1526L883B Datasheet(PDF) 2 Page - Texas Instruments |
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UC1526L883B Datasheet(HTML) 2 Page - Texas Instruments |
2 / 11 page ABSOLUTE MAXIMUM RATINGS (Note 1, 2) Input Voltage (+VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +40V Collector Supply Voltage (+VC) . . . . . . . . . . . . . . . . . . . . . +40V Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +VIN Source/Sink Load Current (each output) . . . . . . . . . . . . . 200mA Reference Load Current . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Logic Sink Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA Power Dissipation at TA = +25°C (Note 2) . . . . . . . . . . 1000mW Power Dissipation at TC = +25°C (Note 2) . . . . . . . . . . 3000mW Operating Junction Temperature . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range . . . . . . . . . . . . . . -65°C to +150°C Lead Temperature (soldering, 10 seconds) . . . . . . . . . . +300°C Note 1: Values beyond which damage may occur. Note 2: Consult packaging section of databook for thermal limitations and considerations of package. CONNECTION DIAGRAMS UC1526 UC2526 UC3526 DIL-18, SOIC-18 (TOP VIEW) J or N Package, DW Package RECOMMENDED OPERATING CONDITIONS (Note 3) Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8V to +35V Collector Supply Voltage . . . . . . . . . . . . . . . . . . . +4.5V to +35V Sink/Source Load Current (each output) . . . . . . . . . 0 to 100mA Reference Load Current . . . . . . . . . . . . . . . . . . . . . . 0 to 20mA Oscillator Frequency Range . . . . . . . . . . . . . . . . 1Hz to 400kHz Oscillator Timing Resistor . . . . . . . . . . . . . . . . . . . 2k Ω to 150kΩ Oscillator Timing Capacitor . . . . . . . . . . . . . . . . . . . 1nF to 20 µF Available Deadtime Range at 40kHz . . . . . . . . . . . . . 3% to 50% Operating Ambient Temperature Range UC1526 . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C UC2526 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25°C to +85°C UC3526 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0°C to +70°C Note 3: Range over which the device is functional and parameter limits are guaranteed. PACKAGE PIN FUNCTION FUNCTION PIN N/C 1 +Error 2 -Error 3 Comp. 4 CSS 5 Reset ______ 6 - Current Sense 7 + Current Sense 8 Shutdown _________ 9 RTIMING 10 CT 11 RD 12 Sync 13 Output A 14 VC 15 N/C 16 Ground 17 Output B 18 +VIN 19 VREF 20 PLCC-20, LCC-20 (TOP VIEW) Q and L Packages ELECTRICAL CHARACTERISTICS: PARAMETER TEST CONDITIONS UC1526 / UC2526 UC3526 UNITS MIN TYP MAX MIN TYP MAX Reference Section (Note 4) Output Voltage TJ = + 25°C 4.95 5.00 5.05 4.90 5.00 5.10 V Line Regulation +VIN = 8 to 35V 10 20 10 30 mV Load Regulation IL = 0 to 20mA 10 30 10 50 mV Temperature Stability Over Operating TJ 15 50 15 50 mV Total Output Voltage Range Over Recommended Operating Conditions 4.90 5.00 5.10 4.85 5.00 5.15 V Short Circuit Current VREF = 0V 25 50 100 25 50 100 mA Under -Voltage Lockout RESET _______ Output Voltage VREF = 3.8V 0.2 0.4 0.2 0.4 V VREF = 4.8V 2.4 4.8 2.4 4.8 V Note 4: IL = 0mA. +VIN = 15V, and over operating ambient temperature, unless otherwise specified, TA = TJ. 2 |
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