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UC2886DG4 Fiches technique(PDF) 2 Page - Texas Instruments |
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UC2886DG4 Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 9 page 2 UC2886 UC3886 CONNECTION DIAGRAM DIL-16, SOIC-16 (Top View) N or D Packages ABSOLUTE MAXIMUM RATINGS Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Output Current CAM, COMMAND, VSENSE, ISN, ISP . . . . . . . . . . . . . ± 1A Analog Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 7V Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . –55°C to +150°C Lead Temperatue (Soldering, 10 sec.) . . . . . . . . . . . . . +300°C Currents are positive into, negative out of the specified terminal. Consult Packaging Section of Databook for thermal limitations and considerations of packages. ELECTRICAL CHARACTERISTICS Unless otherwise specified, VCC = 12V, VCOMMAND = 3.0V, CT = 1nF, RT = 10k, TA =TJ = 0°C < TA < 70°C for the UC3886. (Note: –25°C < TA < 85°C for the UC2886, PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Overall Supply Current VCC = 11V, Gate Open 10 15 mA VCC = 9.3V 5 mA Undervoltage Lockout Start Threshold 9.7 10.3 10.8 V UVLO Hysteresis 0.25 0.4 V Voltage Error Amplifier Input Offset Voltage VCM = 3.0V (UC3886) 4 mV VCM = 3.0V (UC2886) 15 mV Input Bias Current VCM = 3.0V −2 µA Input Offset Current VCM = 3.0V (UC3886) 0.01 µA VCM = 3.0V (UC2886) 0.1 µA Open Loop Gain 2.5V < VCOMP < 3.5V 60 85 dB Common-Mode Rejection Ratio 2V < VCOMP < 4V 60 85 dB Power Supply Rejection Ratio 11V < VCC < 15V 60 85 dB Output High Voltage (Clamp) ICOMP = –100µA (UC3886) 3.95 4 4.05 V ICOMP = –100µA (UC2886) 3.9 4.1 V Output Low Voltage (Clamp) ICOMP = 100µA 1.9 2.7 V Output Sink Current VCOMP = 3.7V 0.9 mA Output Source Current VCOMP = 2.8V –0.15 −0.25 mA Gain-Bandwidth Product F = 100kHz 2 3.5 MHz 5.0V Reference Output Voltage IVREF = 1.0mA 4.9 5 5.1 V Total Variation Line, Load, Temperature 4.825 5.175 V Line Regulation 11V < VCC < 15V 10 mV Load Regulation 0 < IVREF < 2mA 15 mV Short Circuit Current –10 −40 mA |
Numéro de pièce similaire - UC2886DG4 |
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Description similaire - UC2886DG4 |
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