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FAN5333A Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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FAN5333A Datasheet(HTML) 4 Page - Fairchild Semiconductor |
4 / 11 page 4 www.fairchildsemi.com FAN5333A/FAN5333B Rev. 1.0.1 Electrical Characteristics Test Circuit Figure 3. Test Circuit Unless otherwise noted, VIN = 3.6V, VOUT = 20V, ILED = 20mA, TA = -40°C to 85°C, Typical values are at TA = 25°C, Test Circuit, Figure 3. Parameter Conditions Min. Typ. Max. Units Feedback Voltage FAN5333A 99 110 121 mV FAN5333B 299 315 331 mV Switch Current Limit VIN = 3.2V 1.1 1.5 A Load Current Capability VOUT ≤ 20V, VIN = 3.2V 65 mA Switch On-resistance VIN = 5V 0.6 Ω VIN = 3.6V 0.7 Ω Quiescent Current VSHDN = 3.6V, No Switching 0.6 mA OFF Mode Current VSHDN = 0V 0.1 3 µA Shutdown Threshold Device ON 1.5 V Device OFF 0.5 V Shutdown Pin Bias Current VSHDN = 0V or VSHDN = 5.5V 1 300 nA Feedback Pin Bias Current 1 300 nA Feedback Voltage Line Regulation 2.7V < VIN < 5.5V, VOUT ≤ 20V 0.3 % Switching Frequency 1.2 1.5 1.8 MHz Maximum Duty Cycle 87 93 % Switch Leakage Current No Switching, VIN = 5.5V 1 µA OVP 15 % Thermal Shutdown Temperature 150 °C SHDN VIN VOUT R GND VIN FB SW CIN 10 µH 1 3 2 4 5 10 µF COUT L BAT54 ILED 1 µF ON OFF Electronic Load |
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