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FAN2103MPX Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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FAN2103MPX Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 14 page © 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN2103 Rev. 1.0.3 5 Electrical Specifications Recommended operating conditions are the result of using the circuit shown in Figure 1 unless otherwise noted. Parameter Conditions Min. Typ. Max. Unit Power Supplies SW = Open, FB = 0.7V, VCC = 5V, FSW = 600KHz 8 12 mA Shutdown: EN = 0, VCC = 5V 7 10 µA VCC Current Power Saving Mode, VCC = 5V, FMIN 2.2 4.5 mA Rising VCC 4.1 4.3 4.5 V VCC UVLO Threshold Hysteresis 300 mV Power Output Section N-Channel (Q1) RDS(ON) 31 35 m Ω N-Channel (Q2) RDS(ON) VCC = 5V, 25°C 23 25 m Ω Oscillator RT = 50KΩ 255 300 345 KHz Frequency RT = 24KΩ 540 600 660 KHz Minimum On-Time (2) 50 65 ns Ramp Amplitude, pk–pk 16VIN, 1.8VOUT, RT = 30KΩ, RRAMP = 200KΩ 0.53 V Minimum Off-Time (2) 100 150 ns Reference FAN2103M, 25°C 794 800 806 mV Reference Voltage (VFB) FAN2103EM, 25°C 795 800 805 mV FAN2103M, Temp. Coefficient (-10 to +85°C) 50 PPM FAN2103EM Temp. Coefficient (-40 to +85°C) 70 PPM Error Amplifier DC Gain (2) 80 85 dB Gain Bandwidth Product (2) 12 15 MHz Output Voltage (VCOMP) VCC = 5V 0.4 3.2 V Output Current, Sourcing VCC = 5V, VCOMP = 2.2V 1.5 2.2 mA Output Current, Sinking VCC = 5V, VCOMP = 1.2V 0.8 1.2 mA FB Bias Current VFB = 0.8V, 25°C -850 -650 -450 nA Protection and Shutdown Current Limit RILIM open 3.8 5.0 7.0 A ILIM Current 25°C, VCC = 5V 9 10 11 µA Over-Temperature Shutdown 160 °C Over-Temperature Hysteresis Internal Temperature 30 °C Over-Voltage Threshold 2 Consecutive Clock Cycles 110 115 120 %VOUT Under-Voltage Shutdown 16 Consecutive Clock Cycles 68 73 78 %VOUT Fault Discharge Threshold Measured at FB Pin 250 mV Fault Discharge Hysteresis Measured at FB Pin (VFB ~500mV) 250 mV Note: 2. Specifications guaranteed by design and characterization; not production tested. |
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