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AOZ1094AI Datasheet(PDF) 4 Page - Alpha & Omega Semiconductors |
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AOZ1094AI Datasheet(HTML) 4 Page - Alpha & Omega Semiconductors |
4 / 19 page AOZ1094 Rev. 1.3 October 2010 www.aosmd.com Page 4 of 19 value in any given application depends on the user's specific board design. Electrical Characteristics TA = 25°C, VIN = VEN = 12V, VOUT = 3.3V unless otherwise specified(3) Note: 3. Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design. Symbol Parameter Conditions Min. Typ. Max. Units VIN Supply Voltage 4.5 16 V VUVLO Input Under-Voltage Lockout Threshold VIN Rising VIN Falling 4.00 3.70 V IIN Supply Current (Quiescent) IOUT = 0, VFB = 1.2V, VEN > 1.2V 23 mA IOFF Shutdown Supply Current VEN = 0V 320 µA VFB Feedback Voltage 0.784 0.8 0.816 V Load Regulation 0.5 % Line Regulation 1% IFB Feedback Voltage Input Current 200 nA VEN EN Input Threshold Off Threshold On Threshold 2.0 0.6 V VHYS EN Input Hysteresis 100 mV MODULATOR fO Frequency 400 500 600 kHz DMAX Maximum Duty Cycle 100 % DMIN Minimum Duty Cycle 6% Error Amplifier Voltage Gain 500 V / V Error Amplifier Transconductance 200 µA / V PROTECTION ILIM Current Limit 6 8 A Over-Temperature Shutdown Limit TJ Rising TJ Falling 145 100 °C VPR Output Over-voltage Protection Thresh- old Off Threshold On Threshold 960 940 V tSS Soft Start Interval 3ms OUTPUT STAGE High-Side Switch On-Resistance VIN = 12V VIN = 5V 28 48 35 65 m Ω |
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