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FAN5355UC06X Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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FAN5355UC06X Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 27 page © 2008 Fairchild Semiconductor Corporation 5 www.fairchildsemi.com FAN5355 • Rev. 1.0.4 Electrical Specifications VIN = 3.6V, EN = VIN, VSEL = VIN, SYNC = GND, VSEL0(6) bit = 1, CONTROL2[4:3] = 00. TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Circuit and components according to Figure 1. Symbol Parameter Conditions Min. Typ. Max. Units Power Supplies VIN Input Voltage Range 2.7 5.5 V IO = 0mA, EPFM Mode, FPFM = 25kHz 110 150 μA IO = 0mA, NPFM Mode 37 50 μA IQ Quiescent Current IO = 0mA, 3MHz PWM Mode 4.8 mA EN = GND 0.1 2.0 I SD Shutdown Supply Current EN = VIN, EN_DCDC bit = 0, SDA = SCL = VIN 0.1 2.0 μA VIN Rising 2.40 2.60 V VUVLO Under-Voltage Lockout Threshold VIN Falling 2.00 2.15 2.30 V VUVHYST Under-Voltage Lockout Hysteresis 200 250 300 mV ENABLE, VSEL, SDA, SCL, SYNC VIH HIGH-Level Input Voltage 1.2 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 VIN = 3.6V, CSP Package 145 VIN = 3.6V, MLP Package 165 RDS(ON)P P-channel MOSFET On Resistance VIN = 2.7V, MLP Package 200 mΩ ILKGP P-channel Leakage Current VDS = 6V 1 μA VIN = 3.6V, CSP Package 75 VIN = 3.6V, MLP Package 95 RDS(ON)N N-channel MOSFET On Resistance VIN = 2.7V, MLP Package 101 mΩ ILKGN N-channel Leakage Current VDS = 6V 1 μA RDIS Discharge Resistor for Power-down Sequence Options 03, 06, 07 15 50 Ω 2.7V ≤ VIN ≤ 4.2V, All Options Except 06 and 07 1150 1350 1600 2.7V ≤ VIN ≤ 5.5V, All Options Except 06 and 07 1050 1350 1600 ILIMPK P-MOS Current Limit 2.7V ≤ VIN ≤ 4.2V, 06 and 07 Option 1300 1550 1800 mA TLIMIT Thermal Shutdown 150 °C THYST Thermal Shutdown Hysteresis 20 °C Frequency Control fSW Oscillator Frequency 2.65 3.00 3.35 MHz fSYNC Synchronization Range 2.7 3.0 3.3 MHz DSYNC Synchronization Duty Cycle 20 80 % fSYNCVAL SYNC Frequency Rejection 1.6 4.3 MHz fPFM(MIN) Minimum PFM Frequency EPFM Mode, ILOAD = 0 25 kHz Continued on the following page… |
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