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FAN2012I Fiches technique(PDF) 4 Page - Fairchild Semiconductor |
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FAN2012I Fiches technique(HTML) 4 Page - Fairchild Semiconductor |
4 / 10 page 4 www.fairchildsemi.com FAN2011/FAN2012 Rev. 1.0.4 Electrical Characteristics Notes: 4. Load transient response test waveform. Additional Electrical Characteristics for FAN2012 Figure 3. Load Transient Response Test Waveform VIN = 4.5V to 5.5V, VOUT = 1.2V, IOUT = 200mA, CIN = 10µF, COUT = 4 x 10µF, L = 3.3µH, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Parameter Conditions Min. Typ. Max. Units Input Voltage 4.5 – 5.5 V Quiescent Current IOUT = 0mA – 7 10 mA UVLO Threshold VIN Rising 3.4 3.7 4 V Hysteresis – 150 – mV PMOS On Resistance VIN = VGS = 5V – 150 290 m Ω NMOS On Resistance VIN = VGS = 5V – 150 290 m Ω P-channel Current Limit 4.5V < VIN < 5.5V 2200 2600 3500 mA Over-Temperature Protection Rising Temperature – 150 – °C Hysteresis – 20 – °C Switching Frequency 1000 1300 1600 kHz Line Regulation VIN = 4.5 to 5.5V, IOUT = 100mA – 0.16 – % / V Load Regulation 0mA ≤ I OUT ≤ 1500mA – 0.2 0.5 % Output Voltage During Load Transition(4) IOUT from 700mA to 100mA – – 5 % Output Voltage During Load Transition(4) IOUT from 100mA to 700mA -5 – – % Reverse Leakage Current Into Pin SW VIN = Open, EN = GND, Vsw = 5.5V – 0.1 1 µA Reference Voltage, VREF – 0.8 V Output Voltage Accuracy VIN = 4.5 to 5.5V 0mA ≤ I OUT ≤ 1500mA FAN2011 FAN2012 -2 – 2 % FAN2011I FAN2012I -40°C to +85°C -3 – 3 % TA = 0°C to +85°C, VIN = 4.5 to 5.5V. Typical values are at TA = 25°C. Parameter Conditions Min. Typ. Max. Units Shutdown Mode Supply Current VEN = 0V – 0.1 1 µA EN Bias Current – – 0.1 µA EN High Voltage 1.3 – – V EN Low Voltage – – 0.4 V 0.6 Time (mSec) ss 0 4.6 100 700 tr = 67nS tf = 67nS |
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