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LM3311 Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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LM3311 Datasheet(HTML) 7 Page - National Semiconductor (TI) |
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7 / 29 page  Electrical Characteristics (Continued) Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C). Unless otherwise specified, VIN =LVIN = 2.5V and IL = 0A. Symbol Parameter Conditions Min (Note 5) Typ (Note 6) Max (Note 5) Units UVP Undervoltage Protection Threshold On Threshold (Switch On) 2.5 2.4 V Off Threshold (Switch Off) 2.3 2.1 I FREQ FREQ Pin Current FREQ = V IN = 2.5V 2.7 13.5 µA Electrical Characteristics Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C). Unless otherwise specified VIN =LVIN = 2.5V and AVIN = 8V. Operational Amplifier Symbol Parameter Conditions Min (Note 5) Typ (Note 6) Max (Note 5) Units V OS Input Offset Voltage Buffer configuration, V O = AV IN/2, no load 5.7 15 mV I B Input Bias Current (POS Pin) Buffer configuration, V O = AV IN/2, no load (Note 9) 200 550 nA V OUT Swing Buffer, R L=2k Ω,V O min. 0.001 0.03 V Buffer, R L=2k Ω,V O max. 7.9 7.97 AV IN Supply Voltage 412 V Is+ Supply Current Buffer, V O =AVIN/2, No Load 1.5 7.8 mA I OUT Output Current Source 90 138 195 mA Sink 105 135 175 Electrical Characteristics Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C). Unless otherwise specified VIN =LVIN = 2.5V. Gate Pulse Modulation Symbol Parameter Conditions Min (Note 5) Typ (Note 6) Max (Note 5) Units VFLK VFLK Voltage Levels Rising edge threshold 1.4 V Falling edge threshold 0.4 VDPM VDPM Voltage Levels Rising edge threshold 1.4 V Falling edge threshold 0.4 V DD(TH) V DD Threshold VGHM = 30V 2.8 3 3.3 V VGHM = 5V 0.4 0.5 0.7 I VFLK VFLK Current VFLK = 1.5V 4.8 11 µA VFLK = 0.3V 1.1 2.5 I VDPM VDPM Current VDPM = 1.5V 4.8 11 µA VDPM = 0.3V 1.1 2.5 I VGH VGH Bias Current VGH = 30V, VFLK High 59 300 µA VGH = 30V, VFLK Low 11 35.5 R VGH-VGHM VGH to VGHM Resistance 20mA Current, VGH = 30V 14 28.5 Ω R VGHM-RE VGHM to RE Resistance 20mA Current, VGH = VGHM = 30V 27 55 R VGHM(OFF) VGH Resistance VDPM is Low, VGHM = 2V 1.2 1.7 k Ω I CE CE Current CE = 0V 40 57 71 µA V CE(TH) CE Voltage Threshold 1.16 1.22 1.30 V www.national.com 7 |
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