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FAN5355UC06X Scheda tecnica(PDF) 5 Page - Fairchild Semiconductor |
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FAN5355UC06X Scheda tecnica(HTML) 5 Page - Fairchild Semiconductor |
5 / 24 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5365 • Rev. 1.0.4 5 Electrical Specifications Unless otherwise noted, over the recommended operating range for VIN and TA, EN = VSEL = SCL = SDA = 1.8V, and register VSEL0[6] bit = 1. Typical values are at VIN = 3.6V, TA = 25°C. Circuit and components according to Figure 1. Symbol Parameter Conditions Min. Typ. Max. Units Power Supplies IQ Quiescent Current IO = 0mA, PFM Mode, 2.3V<=VIN<=4.5V 40 55 μA IO = 0mA, PFM Mode, 2.3V<=VIN<=5.5V 40 65 IO = 0mA, 6MHz PWM Mode 6.3 mA ISD Shutdown Supply Current EN = GND 0.1 1.0 μA EN = VIN, EN_DCDC bit = 0, SDA = SCL = 1.8V (Software Shutdown) N/A N/A VUVLO Under-Voltage Lockout Threshold VIN Rising 2.18 2.25 V VIN Falling 1.95 2.02 V VUVHYST Under-Voltage Lockout Hysteresis 160 mV ENABLE, VSEL, SDA, SCL VIH HIGH-Level Input Voltage 1.05 V VIL LOW-Level Input Voltage 0.4 V IIN Input Bias Current Input Tied to GND or VIN 0.01 1.00 μA Power Switch and Protection RDS(ON)P P-Channel MOSFET On Resistance VIN = 3.6V 300 mΩ ILKGP P-Channel Leakage Current VDS = 5.5V 0.2 1.0 μA RDS(ON)N N-Channel MOSFET On Resistance VIN = 3.6V 200 mΩ ILKGN N-Channel Leakage Current VDS = 5.5V 0.3 1.0 μA ILIMPK P-MOS Current Limit Options 00, 02 1150 1350 1600 mA Options 03, 06 1300 1550 1840 TLIMIT Thermal Shutdown 150 °C THYST Thermal Shutdown Hysteresis 20 °C Frequency Control fSW Switching Frequency (11) PWM Operation 5.4 6.0 6.6 MHz Output Regulation VOUT VOUT Accuracy IOUT(DC) = 0, Forced PWM, VOUT = VSEL1 Default Value –1.5 1.5 % 2.3V ≤ VIN ≤ 5.5V, VOUT from Minimum to Maximum, IOUT(DC) = 0 to 1A, Forced PWM –2.0 2.0 % 2.3V ≤ VIN ≤ 5.5V, VOUT from Minimum to Maximum, IOUT(DC) = 0 to 1A, Auto PWM/PFM –2.0 3.5 % LOAD OUT I V Δ Δ Load Regulation IOUT(DC) = 0 to 1A, Forced PWM –0.2 %/A IN OUT V V Δ Δ Line Regulation 2.3V ≤ VIN ≤ 5.5V, IOUT(DC) = 300mA, Forced PWM 0 %/V VRIPPLE Output Ripple Voltage PWM Mode, VOUT = 1.2V 4 mVP-P PFM Mode, IOUT(DC) = 10mA 16 mVP-P Continued on the following page… |
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