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UC3770B датащи(PDF) 2 Page - Texas Instruments |
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UC3770B датащи(HTML) 2 Page - Texas Instruments |
2 / 3 page 2 CONNECTION DIAGRAMS UC3770A UC3770B UC3770A UC3770B PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Supply Voltage VM (Pins 3, 14) 10 45 10 45 V Logic Supply Voltage VCC (Pin 6) 4.75 5 5.3 4.75 5 5.3 V Logic Supply Current ICC (Pin 6) IO = I1 = H, IM = 0 15 25 15 25 mA IO = I1 = L, IM = 0 18 28 18 28 mA IO = I1 = H, IM = 1.3A 33 40 33 40 mA Thermal Shutdown Temperature +170 +170 °C Logic Threshold (Pins 7, 8, 9) 0.8 2.0 0.8 2.0 V Input Current Low (Pin 8) VI = 0.4V -100 -100 µA Input Current Low (Pins 7, 9) VI = 0.4V -400 -400 µA Input Current High (Pins 7, 8, 9) VI = 2.4V 10 10 µA Comparator Threshold (Pin 10) VR = 5V, I0 = L, I1 = L 400 415 430 400 415 430 mV VR = 5V, I0 = H, I1 = L 240 255 265 290 300 315 mV VR = 5V, I0 = L, I1 = H 70 80 90 195 210 225 mV Comparator Input Current (Pin 10) ±20 ±20 µA Off Time RT = 56k, CT = 820pF 25 30 35 25 30 35 ms PACKAGE PIN FUNCTION FUNCTION PIN Gnd 1-3 VM 4 N/C 5 AOUT 6 N/C 7 Emitters 8 Gnd 9 BOUT 10 Timing 11 VM 12 Gnd 13-17 VCC 18 I1 19 Phase 20 I0 21 N/C 22 Current 23 VR 24 N/C 25-27 Gnd 28 PLCC-28 (Top View) Q Package DIL-16 (Top View) J Or N Package Logic Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Output Supply Voltage, VMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V Logic Input Voltage (Pins 7, 8, 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Analog Input Voltage (Pin 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC Reference Input Voltage (Pin 11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Logic Input Current (Pins 7, 8, 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10mA Analog Input Current (Pins 10, 11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10mA Output Current (Pins 1, 15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 2A Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150 °C ABSOLUTE MAXIMUM RATINGS Note 1: All voltages are with respect to Gnd (DIL Pins 4, 5, 12, 13); all currents are positive into, negative out of the specified terminal. Note 2: Consult Unitrode Integrated Circuits databook for thermal limitations and considerations of packages. ELECTRICAL CHARACTERISTICS: (All tests apply with VM = 36V, VCC = 5V, VR = 5V, No Load, and 0 °C<TA<70°C, unless otherwise stated, TA =TJ.) |
Аналогичный номер детали - UC3770B |
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Аналогичное описание - UC3770B |
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