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XC9511 Fiches technique(PDF) 4 Page - Torex Semiconductor |
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XC9511 Fiches technique(HTML) 4 Page - Torex Semiconductor |
4 / 13 page Synchronous Step-Down DC/DC Converter with built-in LDO Regulator in parallel plus Voltage Detector Preliminary ! ELECTRICAL CHARACTERISTICS XC9511xxxCSx # Common Characteristics # DC/DC Converter (1.5V product) # Regulator (3.3V product) % ppm/ OC mS mS UNITS V MHz % ±100 -2 ppm / OC Output Voltage ! VROUT IROUT=30mA -40 OC<Topr<85OC - Temperature Characteristics ( !Topr"VROUT) 60 - 12 dB Ripple Rejection Rate PSRR VIN={VOUT(T) + 1.0} VDC + 0.5Vp-pAC IROUT=30mA, f=1kHz - 30 - 7 mA Short-Circuit Current ISHORT VROUT=VSS - 600 - 7 mA Current Limit ILIM2 VROUT=VROUT(E) x 0.9 480 0.05 0.25 2 %/V Line Regulation ! VROUT IROUT=30mA - ( !VIN"VROUT) VROUT(T)+1V<VIN<6V 100 200 2 mV Dropout Voltage 2 Vdif 2 IROUT=200mA - 50 110 2 mV Dropout Voltage 1 (note 5) Vdif 1 IROUT=100mA - 15 50 2 mV Load Regulation ! VROUT 1mA<IROUT<100mA - -- 2 mA Maximum Output Current IMAX2 400 3.300 3.366 2 V Output Voltage VROUT(E) IROUT=30mA 3.234 Topr=25 OC PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. TEST CIRCUIT UNITS 3 Soft Start Time TSS Connected to the external components, CE=0V "VIN, IDOUT=1mA 25 10 3 Temperature Characteristics ( !Topr"DCOUT) IDOUT=30mA -40 OC<Topr<85OC - ±100 - 6 Efficiency (note 3) EFFI Connected to the external components, IDOUT=100mA -90- 3 1.0 -- 3 mA Maximum Output Current IMAX1 Connected to the external components 800 0.05 1.00 11 µA LX SW 'Low' Leak Current (note 11) IleakL VIN=6.0V, LX=CE=0V - 0.05 1.00 11 µA LX SW 'High' Leak Current (note 11) IleakH VIN=LX=6.0V, CE=0V - 0.5 0.9 3 Ω LX SW 'Low' ON Resistance RLXL Connected to the external components, VIN=5.0V - 1.40 1.78 3 V 4 PFM Duty Ratio *XC9511D/E/F PFMDUTY Connected to the external components, No Load 21 30 38 3 % -- 0 3 Maximum Duty Ratio MAXDUTY DCOUT=0V 100 - - 4 TEST CIRCUIT 6.0 3 Output Voltage DCOUT(E) Connected to the external components, IDOUT=30mA 1.470 1.500 1.530 V % PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. 1.02 1.20 1.38 - Input Voltage Range VIN 2.4 Supply Current 2 IDD2 VIN=CE=5.0V, DCOUT=0V - TEST CIRCUIT 1 310 1 300 360 UNITS µΑ µΑ CONDITIONS MIN. TYP. MAX. Topr=25 OC VIN=CE=DCOUT=5.0V - 250 - Current Limit (note 8) ILIM1 Output Voltage ! DCOUT 10 Latch Time (note 4, 9) Tlat Connected to the external components, VIN=CE=5.0V, Short DCOUT by 1 Ω resistor -8 25 Oscillation Frequency FOSC Connected to the external components, IDOUT=10mA Minimum Duty Ratio MINDUTY DCOUT=VIN U.V.L.O Voltage (note 1) VUVLO Connected to the external components 1.00 LX SW 'High' ON Resistance (note 2) RLXH 5 Ω DCOUT=0V, LX=VIN-0.05V - 0.5 1.0 A 1.1 - XC9511 Series Supply Current 1 IDD1 PARAMETER SYMBOL Semiconductor Ltd. Data Sheet 4 |
Numéro de pièce similaire - XC9511 |
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Description similaire - XC9511 |
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