XC6367/XC6368

Series

ELECTRICAL CHARACTERISTICS (Continued)

XC6367A503MR, XC6368A503MR V
OUT =5.0V, FOSC=300kHz,Ta=25 PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Output Voltage V
OUT 4875 5.000 5.125V Supply Voltage (* 1) V
DD 2.0 - 10.0V Maximum Input Voltage V
IN 10.0 - - V Oscillation Start Voltage 1 V
ST1 Tr: 2SD1628, I
OUT =1.0mA - - 0.9 V Oscillation Start Voltage 2 V
ST2 V
OUT =CE : Apply voltage - - 0.8 V Oscillation Hold Voltage V
HLD Tr: 2SD1628, I
OUT =1.0mA - - 0.7 V Supply Current 1 I
DD1 V
OUT =CE=setting output voltage x 0.95 - 180 280 A Supply Current 2 I
DD2 V
OUT =CE=setting output voltage + 0.5V - 22 38 A Stand-by Current I
STB V
OUT =setting output voltage x 0.95, CE=0V- - 0.5 A Oscillation Frequency FOSC Same as I
DD1 255 300 345 kHz Maximum Duty Ratio MAXDTY Same as I
DD1 78 85 92 % PFM Duty Ratio (* 3) PFMDTY I
OUT =0mA 15 25 35 % CE "High" Voltage V
CEH V
OUT =setting output voltage x0.95 0.65 - - V CE "Low" Voltage V
CEL V
OUT =setting output voltage x0.95 - - 0.20V EXT "High" ON Resistance R
EXTH Same as I
DD1 , V
EXT =V
OUT -0.4V - 20 29 EXT "Low" ON Resistance R
EXTL Same as I
DD1 , V
EXT =0.4V - 13 19 Efficiency (* 2) EFFI - 87 - %
SS and C
SS , CE:0V Soft-Start Time T
SS Connect R 3.0V (XC6367C/F and XC6368C/F series) 5 10 20 msec
Conditions: Unless otherwise specified, connect V DD to V OUT ; V IN =setting output voltage x 0.6, I OUT =200mA NOTE: * 1: When taking V DD from another power source please ensure that V DD = 2.0V or more. Oscillation will occur with a value of V DD = 0.8V or more, but with a value of V DD = 2.0V or more, output voltage and oscillation frequency will be stable. * 2: EFFI = {[(output voltage) x (output current)] [(input voltage) x (input current)] x 100 * 3: Applies to the XC6368 series only (duty ratio when control changes to PFM). * 4: The values of supply voltage and NOTE *1 do not apply to XC6367E/F and XC6368E/F series. For XC6367E/F and XC6368E/F series, output voltage less than 2.0V cannot be set-up.

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