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FAN5361UC12X Fiches technique(PDF) 4 Page - Fairchild Semiconductor |
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FAN5361UC12X Fiches technique(HTML) 4 Page - Fairchild Semiconductor |
4 / 17 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5361 • Rev. 1.0.0 4 Electrical Characteristics Minimum and maximum values are at VIN = VEN = 2.3V to 5.5V, AUTO Mode, TA = -40°C to +85°C; circuit of Figure 1, unless otherwise noted. Typical values are at TA = 25°C, VIN = VEN = 3.6V. Symbol Parameter Conditions Min. Typ. Max. Units Power Supplies No load, Not Switching 35 55 µA IQ Quiescent Current PWM Mode 6 mA I(SD) Shutdown Supply Current VIN = 3.6V, EN = GND 0.05 1.00 µA VUVLO Under-Voltage Lockout Threshold Rising VIN 2.15 2.25 V VUVHYST Under-Voltage Lockout hysteresis 150 mV V(ENH) Enable HIGH-Level Input Voltage 1.2 V V(ENL) Enable LOW-Level Input Voltage 0.4 V I(EN) Enable Input Leakage Current EN to VIN or GND 0.01 1.00 µA V(MH) MODE HIGH-Level Input Voltage 1.2 V V(ML) MODE LOW-Level Input Voltage 0.4 V I(M) MODE Input Leakage Current MODE to VIN or GND 0.01 1.00 µA Switching and Synchronization fSW Switching Frequency VIN = 3.6V, TA = 25°C 5.4 6.0 6.6 MHz fSYNC MODE Synchronization Range (4) Squarewave at MODE Input 1.3 1.5 1.7 MHz Regulation ILOAD = 0 to 600mA 1.784 1.820 1.875 V 1.82V PWM Mode 1.784 1.820 1.856 V ILOAD = 0 to 600mA 1.764 1.800 1.854 V 1.80V PWM Mode 1.764 1.800 1.836 V ILOAD = 0 to 600mA 1.470 1.500 1.545 V 1.50V PWM Mode 1.470 1.500 1.530 V ILOAD = 0 to 600mA 1.274 1.300 1.339 V 1.30V PWM Mode 1.274 1.300 1.326 V ILOAD = 0 to 600mA 1.174 1.200 1.239 V 1.20V PWM Mode 1.174 1.200 1.226 V ILOAD = 0 to 600mA 0.974 1.000 1.039 V VO Output Voltage Accuracy 1.00V PWM Mode 0.974 1.000 1.026 V tSS Soft-Start From EN Rising Edge 150 300 µs Output Driver PMOS On Resistance VIN = VGS = 3.6V 350 m Ω RDS(on) NMOS On Resistance VIN = VGS = 3.6V 225 m Ω ILIM PMOS Peak Current Limit Open-Loop 900 1000 1250 mA TTSD Thermal Shutdown CCM Only 150 °C THYS Thermal Shutdown Hysteresis 15 °C Notes: 4. Limited by the effect of tOFF minimum (see Figure 13 in Typical Performance Characteristics). |
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