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XC6376CXX3SL Datasheet(PDF) 8 Page - Torex Semiconductor |
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XC6376CXX3SL Datasheet(HTML) 8 Page - Torex Semiconductor |
8 / 17 page XC6376/6377 Series 584 5 XC6376B103SR, XC6377B103SR Ta=25: (VOUT=3.0V(when programmed), FOSC=300kHz) PARAMETER UNITS Output Voltage VOUT1 V 3.060 3.000 2.940 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. CE= VIN, FB=0.9V, 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 = 3.6V Time taken for CE to become "L" when VOUT changes to 0V CE "High" Voltage VCEH V 0.65 Only CSS connected, VIN = 3.6V, FB=0V, Apply voltage to CE and measure EXT/1,2 "L" CE "Low" Voltage VCEL V 0.20 Only CSS connected, VIN = 3.6V, FB=0V, Apply voltage to CE and measure EXT/1,2 "H" Only CSS connected, CE=0V, VIN=3.6V, FB=1.2V, EXT/1,2 pull down to 200 Ω, VEXT/1,2=VIN - 0.4V Only CSS connected, CE=VIN, VIN=3.6V, FB=0.9V, EXT/1,2 pull up to 200 Ω, VEXT/1,2=0.4V EXT/1,2 "H" ON Resistance REXTBH Ω 52 38 EXT/1,2 "L" ON Resistance REXTBL Ω 41 31 Maximum Input Voltage VIN V 10 Input Current IIN 1.320 mA 1.950 Maximum Output Current IOUTMAX mA 500 µA 82 52 XC6376 XC6377 External components connected, VIN=VOUT x 1.05, No load. Supply Current (oscillation stopped) IDD 26 µA 39 Only CSS connected, VIN = 3.6V FB= 1.2V, VLX=VIN External components connected, VIN=3.6V External components connected, VIN=3.6V, IOUT=120mA External components connected, VIN=4.8V Lx SW ON Resistance RSWON 0.69 Ω 0.94 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 Only CSS connected, VIN=3.6V, CE=VIN, LX pull down to 10 Ω VLX=VIN - 0.2V, FB=0.9V Same as ISTB except VLX=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: XC6376D, XC6376D The following parameter is to be excluded: Circuit Protect Integration Time (TPRO) RFB1=400k Ω, RFB2=200kΩ, CFB=100pF Peripherals: 05S_3XC6376/77 02.09.12 15:20 ページ 584 |
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