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XC6377CXX5SL Datasheet(PDF) 6 Page - Torex Semiconductor |
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XC6377CXX5SL Datasheet(HTML) 6 Page - Torex Semiconductor |
6 / 17 page XC6376/6377 Series 582 5 XC6376A333SR, XC6377A333SR XC6376E, XC6376F, XC6377E, XC6377F Ta=25: (VOUT=3.3V, FOSC=300kHz) PARAMETER UNITS Output Voltage VOUT1 V 3.383 3.300 3.218 Output Voltage2 VOUT2 V VOUT1 +1.5% VOUT1 -0.5% Soft-Start Time Tss msec 16.0 10.0 6.0 PFM Duty Ratio (Note2) PFMDTY % 35 25 15 External components connected, No load. Efficiency (Note3) EFFI % 95 Same as VOUT 1 Minimum Operating Voltage (UVLO Voltage) VUVLO Only CSS connected, VIN = output programmed voltage x 0.9, CE= VIN, LX OFF voltage when VIN drops. 0.9 1.8 V Circuit Protect Integration Time TPRO msec 8.0 5.0 3.0 Only CSS connected, VIN = output programmed voltage x 1.2, Time taken for CE to become "L" when VOUT changes to 0V CE "High" Voltage VCEH V 0.65 Only CSS connected, VIN = output programmed voltage x 1.2, VOUT=0V, Apply voltage to CE and measure EXT/1,2 "L" CE "Low" Voltage VCEL V 0.20 Only CSS connected, VIN = output programmed voltage x 1.2, VOUT=0V, Apply voltage to CE and measure EXT/1,2 "H" Only CSS connected, VIN = output programmed voltage x 1.2, CE=0V, VOUT=VIN, EXT/1,2 pull down to 200 Ω, VEXT/1,2=VIN - 0.4V Only CSS connected, VIN = output programmed voltage x 1.2, CE=VIN, VOUT=output programmed voltage x 0.9, EXT/1,2 pull up to 200 Ω, VEXT/1,2=0.4V EXT/1,2 "H" ON Resistance REXTBH Ω 47 35 EXT/1,2 "L" ON Resistance REXTBL Ω 37 29 Maximum Input Voltage VIN V 10 Input Current IIN 1.480 mA 2.190 Maximum Output Current IOUTMAX mA 600 µA 86 55 XC6376 XC6377 External components connected, VIN=VOUT x 1.05, No load. Supply Current (oscillation stopped) IDD 26 µA 39 Only CSS connected, VIN = output programmed voltage x 1.2, VOUT= VIN, VLX=VIN External components connected, VIN=output programmed voltage x 1.2, External components connected, VIN=output programmed voltage x 1.2, IOUT=132mA External components connected, VIN=output programmed voltage x 1.6, (when VIN ≤ 3.0V, VIN =3.0V) Lx SW ON Resistance RSWON 0.64 Ω 0.85 Stand-by Current ISTB µA 2.5 1.5 Same as IDD. CE=0V % 100 Oscillator Frequency (Note1) FOSC kHz 345 300 255 Lx Leak Current ILXL µA 2.0 External components connected, measuring of EXT/1 waveform, VIN=VOUT1 +0.3V, IOUT=20mA Maximum Duty Ratio MAXDTY Same as IDD except VOUT=output programmed voltage x0.9, VLX=VIN-0.2V, pull down LX to 10 Ω, CE=VIN Same as ISTB except VLX=0V SYMBOL CONDITIONS MAX MIN TYP PARAMETER UNITS VOUT Sink Current IVOUTL mA 1.45 Same as ISTB, VOUT=1.0V SYMBOL CONDITIONS MAX MIN TYP Refers to the oscillation frequency during PWM control. Applies to the XC6377 series only (duty ratio when control changes to PFM) EFFI = { [(output voltage) x (output current)] ÷ [(input voltage) x (input current)]} x100 Note 1: Note 2: Note 3: The following parameter is to be added: XC6376C, XC6376F, XC6377C, XC6377F The following parameter is to be excluded: Circuit Protect Integration Time (TPRO) ■Electrical Characteristics 05S_3XC6376/77 02.09.12 15:20 ページ 582 |
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