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XC6367 Datasheet(PDF) 7 Page - Torex Semiconductor |
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XC6367 Datasheet(HTML) 7 Page - Torex Semiconductor |
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7 / 28 page  XC6367/6368 Series 413 4 Ta=25 °C PARAMETER RATINGS UNITS SYMBOL VDD Pin Voltage -0.3 ~ 12 V VDD VOUT Pin Voltage -0.3 ~ 12 V VOUT FB Pin Voltage -0.3 ~ 12 V VFB CE Pin Voltage -0.3 ~ 12 V VCE EXT Pin Voltage -0.3 ~ VDD +0.3 V VEXT EXT Pin Current ±100 mA IEXT Continuous Total Power Dissipation 150 mW Pd Operating Ambient Temperature -30 ~ +80 °C Topr Storage Temperature -40 ~ +125 °C Tstg XC6367A333MR, XC6368A333MR Ta=25 °C (VOUT=3.3V, FOSC=300kHz) PARAMETER UNITS Output Voltage VOUT V 3.383 3.300 3.218 CE "Low" Voltage VCEL V 0.20 - - VOUT=set-up output voltage x0.95 PFM Duty Ratio (Note 3) PFMDTY % 35 25 15 Same as IDD1 CE "High" Voltage VCEH V - 0.65 - IOUT=0mA Oscillation Start-up Voltage 1 VST1 V 0.9 - - Use of a 2SD1628 transistor, IOUT=1.0mA Oscillation Start-up Voltage 2 VST2 V 0.8 - - VOUT=CE : Apply voltage EXT "High" ON Resistance REXTH Ω 43 29 - VOUT=set-up output voltage x0.95 EXT "Low" ON Resistance REXTL Ω 27 19 - Same as IDD1, VEXT=VOUT-0.4V Efficiency (Note 2) EFFI % 84 -- Same as IDD1, VEXT=0.4V Soft-Start Time TSS msec 20 10 5 Supply Voltage (Note 1) VDD V 2.0 10.0 - Maximum Input Voltage VIN V - - 10.0 Supply Current 1 IDD1 - 130 µA 200 Oscillation Hold Voltage VHLD V 0.7 - - Use of a 2SX1628 transistor recommended, IOUT=1.0mA % 92 78 85 Oscillator Frequency FOSC kHz 345 300 255 Stand-by Current ISTB µA - 0.5 - VOUT=set-up output voltage x 0.95, CE=0V Maximum Duty Ratio MAXDTY Same as IDD1 VOUT=CE=set-up output voltage x 0.95 Supply Current 2 IDD2VOUT=CE=set-up output voltage + 0.5V - 20 35 µA SYMBOL CONDITIONS MAX MIN TYP Unless otherwise specified, connect VDD to VOUT ; VIN=set-up output voltage x 0.6, IOUT=130mA Measuring conditions: When taking VDD from another power source please ensure that VDD = 2.0V or more. Oscillation will occur with a value of VDD = 0.8V or more, but with a value of VDD = 2.0V or more, output voltage and oscillation frequency will be stable. Note 1: EFFI = {[(output voltage) x (output current)] ÷ [(input voltage) x (input current)} x 100 Note 2: Applies to the XC6368 series only (duty ratio when control changes to PFM). Note 3: ■Absolute Maximum Ratings ■Electrical Characteristics 04S_02XC6367/68 02.09.12 14:41 ページ 413 |
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