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FAN2002 数据表(PDF) 4 Page - Fairchild Semiconductor |
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FAN2002 数据表(HTML) 4 Page - Fairchild Semiconductor |
4 / 11 page 4 www.fairchildsemi.com FAN2001/FAN2002 Rev. 1.0.2 Electrical Characteristics Notes: 5. Refer to the application section for further details. 6. For output voltages ≤ 1.2V a 40µF output capacitor value is required to achieve a maximum output accuracy of 3% while operating in power save mode (PFM mode). VIN = VOUT + 0.6V(min. 2.5V) to 5.5V, IOUT = 350mA, VOUT =1.2V, EN = VIN, TA = -40°C to +85°C, Unless otherwise noted. Typical values are at TA = 25°C. Symbol Parameter Conditions Min. Typ. Max. Units VIN Input Voltage 0 mA ≤ IOUT ≤ 600 mA 2.5 5.5 V 0 mA ≤ IOUT ≤ 1000 mA 2.7 5.5 V IQ Quiescent Current IOUT = 0mA, Device is not switching 20 35 µA IOUT = 0mA, Device is switching (Note 5) R2 =10K Ω 50 µA R2 =100K Ω 25 µA Shutdown Supply Current EN = GND 0.1 1 µA Undervoltage Lockout Threshold VIN Rising 1.9 2.1 2.3 V Hysteresis 150 mV VENH Enable High Input Voltage 1.3 V VENL Enable Low Input Voltage 0.4 V IEN EN input bias current EN = VIN or GND 0.01 0.1 µA RDS-ON PMOS On Resistance VIN = VGS = 5.5V 250 350 m Ω VIN = VGS = 2.5V 300 400 NMOS On Resistance VIN = VGS = 5.5V 200 300 m Ω VIN = VGS = 2.5V 250 350 ILIM P-channel current limit 2.5V < VIN < 5.5V 1300 1500 2000 mA Oscillator frequency 1000 1300 1500 KHz Ilkg_(N) N-channel leakage current VDS = 5.5V 0.1 1 µA Ilkg_(P) P-channel leakage current VDS = 5.5V 0.1 1 µA Line regulation IOUT ≤ 10 mA 0.16 %/V Load regulation 350 mA ≤ IOUT ≤ 1000 mA 0.15 % Vref Reference Voltage 0.8 V Output DC Voltage Accuracy (Note 6) 0 mA ≤ IOUT ≤ 1000 mA -3 +3 % Over-Temperature Protection PWM Mode Only 350 mA ≤ IOUT ≤ 1000 mA Rising Temperature 150 °C Hysteresis 20 °C Start-Up Time IOUT = 1000 mA, COUT = 20 µF 800 µS |
类似零件编号 - FAN2002 |
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类似说明 - FAN2002 |
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