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FAN5069MTCX Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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FAN5069MTCX Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 22 page © 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5069 Rev. 1.1.5 5 Electrical Characteristics Unless otherwise noted, VCC = 5V, TA = 25°C, using circuit in Figure 1. The ‘•’ denotes that the specifications apply to the full ambient operating temperature range. See Notes 4 and 5. Symbol Parameter Conditions Min. Typ. Max. Unit Supply Current IVCC VCC Current (Quiescent) HDRV, LDRV Open • 2.6 3.2 3.8 mA IVCC(SD) VCC Current (Shutdown) EN = 0V, VCC = 5.5V • 200 400 μA IVCC(OP) VCC Current (Operating) EN = 5V, VCC = 5.0V, QFET = 20nC, FSW = 200kHz 10 15 mA VSHUNT VCC Voltage (6) Sinking 1mA to 100mA at VCC Pin 5.5 5.9 V Under-Voltage Lockout (UVLO) UVLO(H) Rising VCC UVLO Threshold • 4.00 4.25 4.50 V UVLO(L) Falling VCC UVLO Threshold • 3.60 3.75 4.00 V VCC UVLO Threshold Hysteresis 0.50 V Soft-Start ISS Current 10 μA VLDOSTART LDO Start Threshold 2.2 V VSSOK PWM Protection Enable Threshold 1.2 V Oscillator FOSC Frequency R(T) = 56K Ω ± 1% 240 300 360 KHz R(T) = Open 160 200 240 KHz Frequency Range 160 600 KHz ΔV RAMP Ramp Amplitude (Peak-to-Peak) R(RAMP) = 330K Ω 0.4 V Minimum ON Time F = 200kHz 200 nS. Reference VREF Reference Voltage (Measured at FB Pin) TA = 0°C to 70°C • 790 800 810 mV TA = -40°C to 85°C • 788 800 812 mV Current Amplifier Reference (at SW node) 160 mV Error Amplifier DC Gain 80 dB GBWP Gain-BW Product 25 MHz S/R Slew Rate 10pF across COMP to GND 8 V/ μS. Output Voltage Swing No Load • 0.5 4.0 V IFB FB Pin Source Current 1 μA Gate Drive RHUP HDRV Pull-up Resistor Sourcing • 1.8 3.0 Ω RHDN HDRV Pull-down Resistor Sinking • 1.8 3.0 Ω RLUP LDRV Pull-up Resistor Sourcing • 1.8 3.0 Ω RLDN LDRV Pull-down Resistor Sinking • 1.2 2.0 Ω |
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