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XC92082L3ML Datasheet(PDF) 6 Page - Torex Semiconductor |
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XC92082L3ML Datasheet(HTML) 6 Page - Torex Semiconductor |
6 / 15 page XC9206 / 9207/ 9208 Series PWM, PWM/PFM Switchable Step-Down DC/DC Converters with Driver Transistor Built-In " ELECTRICAL CHARACTERISTICS XC9206A25CMR, XC9207A25CMR, XC9208A25CMR VOUT=2.5V, FOSC=1.2MHz, Ta=25 OC (XC9206, 9207) VOUT=0V, When CE voltage is (XC9206, XC9207) Test condition : Unless otherwise stated, VIN = 3.6V *1 Including Hysteresis operating voltage range. *2 EFFI = [ (Output Voltage x Output Current) / (Input Voltage x Input Current) ] x 100 *3 On resistance = VLX (measurement voltage) / 0.4 *4 *5 Time until it short-circuits VOUT with GND through 1 Ω of resistance from a state of operation and is set to VOUT=0V from current limit pulse generating. Latch Time Tlat When connected to ext. components (XC9208 only) When connected to ext. components CE "L" Voltage VCEL Soft start time TSS CE "H" Current ICEH PWM "L" Voltage VPWML 0.9 VOUT=0V, When CE voltage is applied Lx determine "L" VSS (XC9208) applied Lx determine "H" Efficiency (*2) EFFI When connected to ext. components, CE=VIN, IOUT=100mA 1.2 1 2.0 - - 6.0 V Output Voltage PARAMETER SYMBOL VOUT Maximum Output Current UNIT MIN TYP CIRCUIT CONDITIONS IOUTMAX 1.8 Operating Voltage Range VIN (XC9208) Supply Current 1 IDD1 CE=VIN, VOUT=0V, Voltage which Lx pin voltage holding "L" level (*1) U.V.L.O Voltage VUVLO CE=VIN, VOUT=fixed voltage x 0.9V Supply Current 2 IDD2 Stand-by Current Istb Maximum Duty Cycle MAXDTY CE=VIN, VOUT=0V Oscillation Frequency FOSC When connected to ext. components (XC9207, XC9208 only), CE=VIN, IOUT=1mA PFM pulse width rate PFMDTY % 1 30 36 Minimum Duty Cycle MINDTY PWM "H" Voltage VPWMH Lx SW ON Resistance RLx CE "H" Voltage VCEH Current Limit ILIM CE "L" Current ICEL The CE/MODE pin of the XC9208A series works also as an external PWM control and PWM/PFM control switching pin. When the IC is in the operation, control is switched to the PWM mode when the CE/MODE pin voltage is equal to or greater than VIN minus 0.3 V, and to the automatic PWM/PFM switching mode when the CE/MODE pin voltage is equal to or lower than VIN minus 1.0 V and equal to or greater than VCEH. CE=VOUT=VIN CE=VIN, VOUT=0V, ILx=400mA (*3) CE=VIN, VOUT=fixed voltage x 1.1V 1 CE=VIN, IOUT=30mA MAX 1.00 mA 1 When connected to ext. components 2.450 2.500 2.550 V 6.0 When connected to ext. components 500 - - 1.40 1.78 V 2 CE=VSS, VOUT=fixed voltage x 1.1V µA µA 3 158 µA 3 413 1 - 100 3 When connected to ext. components 1.020 1.200 1.380 MHz 1 CE=VIN, IOUT=30mA 24 255 -98 -0 - 1 % 2 % 2 0 -- Ω 91 % - 4 VIN=CE=5.0V, VOUT=0V - 600 - mA 4 - 0.4 0.9 5 - VIN V 5 - VIN -- V - 0.3 V 1 IOUT=1mA (*4) When connected to ext. components (XC9208 only) - - VIN-1.0 V 1 IOUT=1mA (*4) VIN-0.3 - 0.1 µA CE=0V, VIN=5.5V, VOUT=0V -0.1 - 0.1 CE=VIN=5.5V, VOUT=0V -0.1 6.0 ms 5 µA 5 1 CE=0V ! VIN, IOUT=1mA When connected to ext. components -- 0.8 - 12.0 ms 6 VIN=CE=5.0V, short VOUT by 1 Ω resistance (*5) Semiconductor Ltd. Data Sheet 6 |
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