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XCM520AH04DR-G Datasheet(PDF) 8 Page - Torex Semiconductor |
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XCM520AH04DR-G Datasheet(HTML) 8 Page - Torex Semiconductor |
8 / 43 page 8/43 XCM520 Series ●XCM520AE,AG (DC/DC BLOCK) VOUT3=1.8V, fOSC=3.0MHz, Ta=25℃ Test conditions: Unless otherwise stated, VIN2 = 5.0V, VOUT3 (E) = Nominal voltage NOTE: *1: Including hysteresis width of operating voltage. *2: EFFI = { ( output voltage×output current ) / ( input voltage×input current) }×100 *3: ON resistance (Ω)= (VIN - Lx pin measurement voltage) / 100mA *4: Design value *5: When temperature is high, a current of approximately 10μA (maximum) may leak. *6: Time until it short-circuits VOUT3 with GND via 1Ωof resistor from an operational state and is set to Lx=0V from current limit pulse generating. *7: VOUT3 (E)+1.2V<2.7V, VIN2=2.7V. *8: When the difference between the input and the output is small, some cycles may be skipped completely before current maximizes. If current is further pulled from this state, output voltage will decrease because of P-ch driver ON resistance. *9: Current limit denotes the level of detection at peak of coil current. *10: "H"=VIN2∼VIN2 - 1.2V, "L"=+ 0.1V ∼ - 0.1V *11: XCM520AE series exclude IPFM and DTYLIMIT_PFM because those are only for the PFM control’s functions. *The electrical characteristics above are when the voltage regulator block is in stop. PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS CIRCUIT Output Voltage VOUT3 When connected to external components, VIN2 = VEN3 = 5.0V, IOUT3 = 30mA 1.764 1.800 1.836 V ① Operating Voltage Range VIN2 2.7 - 6.0 V ① Maximum Output Current VOUT3MAX When connected to external components, VIN2=VOUT3(E)+2.0V,VEN3=1.0V (*8) 600 - - mA ① UVLO Voltage VUVLO VEN3 = VIN2, VOUT3 = 0V, Voltage which Lx pin holding “L” level (*1, *10) 1.00 1.40 1.78 V ③ XCM520AE - 46 65 Supply Current IDD VIN2=VEN3=5.0V, VOUT3 = VOUT3(E)×1.1V XCM520AG 21 35 μA ② Stand-by Current ISTB VIN2 = 5.0V, VEN3 = 0V, VOUT3 = VOUT3(E) × 1.1V - 0 1.0 μA ② Oscillation Frequency fOSC When connected to external components, VIN2 = VOUT3(E) + 2.0V, VEN3=1.0V, VOUT3 = 100mA 2550 3000 3450 kHz ① PFM Switching Current IPFM When connected to external components, VIN2 = VOUT3(E) + 2.0V, VEN3 = VIN2 , VOUT3 = 1mA (*11) 170 220 270 mA ① PFM Duty Limit DTYLIMIT_PFM VEN3 = VIN2 = (C-1) VOUT3 = 1mA (*11) - 200 300 % ① Maximum Duty Ratio DMAX VIN2 = VEN3 = 5.0V, VOUT3 = VOUT3 (E) × 0.9V 100 - - % ③ Minimum Duty Ratio DMIN VIN2 = VEN3 = 5.0V, VOUT3 = VOUT3 (E) × 1.1V - - 0 % ③ Efficiency (*2) EFFI When connected to external components, VEN3 = VIN2 = VOUT3 (E)+1.2V, VOUT3 =100mA - 86 - % ① Lx SW "H" ON Resistance 1 RL xH VIN2 = VEN3 = 5.0V, VOUT3 = 0V, ILX = 100mA (*3) - 0.35 0.55 Ω ④ Lx SW "H" ON Resistance 2 RL xH VIN2 = VEN3 = 3.6V, VOUT3 = 0V, ILX = 100mA (*3) - 0.42 0.67 Ω ④ Lx SW "L" ON Resistance 1 RL xL VIN2 = VEN3 = 0V (*4) - 0.45 0.66 Ω ― Lx SW "L" ON Resistance 2 RL xL VIN2 = VEN3 = 3.6V (*4) - 0.52 0.77 Ω ― Lx SW "H" Leak Current (*5) ILEAKH VIN2 = VOUT3 = 5.0V, VEN3 = 0V, LX= 0V - 0.01 1.0 μA ⑨ Current Limit (*9) ILIM VIN2 = VEN3 = 5.0V, VOUT3 = VOUT3 (E) × 0.9V (*7) 900 1050 1350 mA ⑥ Output Voltage Temperature Characteristics △VOUT3/ (VOUT3・△topr) IOUT3 = 30mA -40℃ ≦ Topr ≦ 85℃ - ±100 - ppm/ ℃ ① EN "H" Level Voltage VEN3H VOUT3 = 0V, Applied voltage to VEN3, Voltage changes Lx to “H” level (*10) 0.65 - 6.0 V ③ EN "L" Level Voltage VEN3L VOUT3 = 0V, Applied voltage to VEN3, Voltage changes Lx to “L” level (*10) VSS - 0.25 V ③ EN "H" Current IEN3H VIN2 = VEN3 = 5.0V, VOUT3 = 0V - 0.1 0.1 μA ⑤ EN "L" Current IENL VIN2 = 5.0V, VEN3 = 0V, VOUT3 = 0V - 0.1 - 0.1 μA ⑤ Soft Start Time tSS When connected to external components, VEN3 = 0V → VIN2 , VOUT3 =1mA - 0.32 0.5 ms ① Integral Latch Time tLAT VIN2 = VEN3 = 5.0V, VOUT3 = 0.8 × VOUT3(E) Short Lx at 1Ω resistance (*6) 1.0 - 20.0 ms ⑦ Short Protection Threshold Voltage VSHORT Sweeping VOUT3, VIN2 = VEN3 = 5.0V, Short Lx at 1Ω resistance, VOUT3 voltage which Lx becomes “L” level within 1ms 0.675 0.900 1.150 V ⑦ CL Discharge RDCHG VIN2 = 5.0V LX = 5.0V VEN3 = 0V VOUT3 = open 200 300 450 Ω ⑧ ■ELECTRICAL CHARACTERISTICS (Continued) |
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