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UC2903N Arkusz danych(PDF) 2 Page - Texas Instruments |
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UC2903N Arkusz danych(HTML) 2 Page - Texas Instruments |
2 / 8 page UC1903 UC2903 UC3903 Supply Voltage (+VIN). . . . . . . . . . . . . . . . . . . . . . . . . . . . . +40V Open Collector Output Voltages. . . . . . . . . . . . . . . . . . . . . +40V Open Collector Output Currents . . . . . . . . . . . . . . . . . . . . 50mA Sense 1-4 Input Voltages . . . . . . . . . . . . . . . . . . . -0.3V to +20V Line/Switcher Sense Input Voltage . . . . . . . . . . . -0.3V to +40V Op-Amp and Inverter Input Voltages . . . . . . . . . . -0.3V to +40V Op-Amp and Inverter Output Currents . . . . . . . . . . . . . . -40mA Window Adjust Voltage. . . . . . . . . . . . . . . . . . . . . 0.0V to +10V Delay Pin Voltages . . . . . . . . . . . . . . . . . . . . . . . . . 0.0V to +5V Reference Output Current . . . . . . . . . . . . . . . . . . . . . . . -40mA Power Dissipation at TA = 25°C (Note 1) . . . . . . . . . . . 1000mW Power Dissipation at TC = 25°C (Note 1) . . . . . . . . . . . 2000mW Operating Junction Temperature . . . . . . . . . . . -55°C to +150°C Storage Temperature . . . . . . . . . . . . . . . . . . . . -65°C to +150°C Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C CONNECTION DIAGRAMS DIL-18, SOIC-18 (TOP VIEW) J or N, DW Package PACKAGE PIN FUNCTION FUNCTION PIN +VIN 1 VREF (2.5V) 2 GROUND 3 GROUND 4 WINDOW ADJUST 5 N/C 6 SENSE 4 INVERT INPUT 7 SENSE 4 8 SENSE 3 9 SENSE 2 10 SENSE 1 11 OV DELAY 12 OV FAULT 13 UV FAULT 14 UV DELAY 15 POWER OK 16 LINE/SWITCHER SENSE 17 G.P. OP-AMP OUT 18 G.P. OP-AMP N.I. 19 G.P. OP-AMP INV. 20 PLCC-20, LCC-20 (TOP VIEW) Q, L Package ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = –55°C to +125°C for the UC1903; –40°C to +85°C for the UC2903; and 0°C to +70°C for the UC3903; +VIN = 15V; Sense Inputs (Pins 6–9 and Pin 15) = 2.5V; VPIN 4 = 1.0V, TA = TJ. PARAMETERS TEST CONDITIONS UC1903 / UC2903 UC3903 UNITS MIN TYP MAX MIN TYP MAX Supply Input Supply Current No Faults 7 9 7 11 mA UV, OV and Line Fault 10 15 10 18 mA Supply Under Voltage Threshold (VSUV) Fault Outputs Enabled 6.0 7.0 7.5 5.5 7.0 8.0 V Minimum Supply to Enable Power OK Output 3.0 4.0 3.0 4.0 V Reference Output Voltage (VREF)TJ = 25°C 2.485 2.5 2.515 2.470 2.5 2.530 V Over Temperature 2.465 2.535 2.465 2.535 V Load Regulation IL = 0 to 10mA 1 10 1 15 mV Line Regulation +VIN = 8 to 40V 1 4 1 8 mV Short Circuit Current TJ = 25°C 40 40 mA Fault Thresholds (Note 4) OV Threshold Adj. Offset from VREF as a function of VPIN 4 Input = Low to High, 0.5V ≤ VPIN 4 ≤ 2.5V .230 .25 .270 .230 .25 .270 V/V UV Threshold Adj. Offset from VREF as a function of VPIN 4 Input = High to Low, 0.5V ≤ VPIN 4 ≤ 2.5V -.270 -.25 -.230 -.270 -.25 -.230 V/V ABSOLUTE MAXIMUM RATINGS (Note 1) Note 1: Voltages are referenced to ground (Pin 3). Currents are positive into, negative out of, the specified terminals. Consult Packaging Section of Databook for thermal limitations and considerations of package. 2 |
Podobny numer części - UC2903N |
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Podobny opis - UC2903N |
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