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LP3205-18J5F Datasheet(PDF) 4 Page - Lowpower Semiconductor inc |
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LP3205-18J5F Datasheet(HTML) 4 Page - Lowpower Semiconductor inc |
4 / 10 page Preliminary Datasheet LP3205 LP3205 – Ver. 1.0 Datasheet Feb.-2007 Page 4 of 10 Electrical Characteristics (VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 4.7µH, CIN= 4.7µF, COUT= 10µF, TA= 25°C, IMAX = 800mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 2.5 5.5 V Operating Supply Current IOUT=0mA,VFB=0.5V or VOUT=90% 300 400 uA Standby Mode Supply Current IOUT=0mA,VFB=0.62V or VOUT=103% 22 35 Shutdown Current ISHDN EN = GND,Vin=4.2V 0.1 1 Reference Voltage VREF For adjustable output voltage 0.58 0.6 0.62 V Adjustable Output Range VOUT VREF VIN − 0.2 V Fixed Δ VOUT VIN = 2.2 to 5.5V, VOUT = 1.2V 0A < IOUT < 800mA − 3 +3 % Δ VOUT VIN = 2.2 to 5.5V, VOUT = 1.5V 0A < IOUT < 800mA − 3 +3 % Output Voltage Δ VOUT VIN = 2.2 to 5.5V, VOUT = 1.8V 0A < IOUT < 800mA − 3 +3 % Accuracy Δ VOUT VIN = 2.8 to 5.5V, VOUT = 2.5V 0A < IOUT < 800mA − 3 +3 % Δ VOUT VIN = 3.5 to 5.5V, VOUT = 3.3V 0A < IOUT < 800mA − 3 +3 % Δ VOUT VIN = VOUT + 0.2V to 5.5V, VIN ≧ 3.5V 0A < IOUT < 800mA − 3 +3 % Adjustable Δ VOUT VIN = VOUT + 0.4V to 5.5V, VIN ≧ 2.2V 0A < IOUT < 800mA − 3 +3 % FB Input Current IFB VFB = VIN -30 30 nA PMOSFET RON PRDS(ON) IOUT = 200mA VIN = 3.6V 0.4 0.58 Ω NMOSFET RON NRDS(ON) IOUT = 200mA VIN = 3.6V 0.35 Ω P-Channel Current Limit IP(LM) VIN =2.2 to 5.5V 0.9 1 1.5 A EN Threshold VEN 0.4 1.5 V EN Leakage Current VENL -- 2 uA |
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