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LP78081 Datasheet(PDF) 3 Page - Lowpower Semiconductor inc |
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LP78081 Datasheet(HTML) 3 Page - Lowpower Semiconductor inc |
3 / 8 page Preliminary Datasheet LP78081 LP78081 – Ver. 1.0 Datasheet Feb.-2008 Page 3 of 8 Absolute Maximum Ratings ■ Input Supply Voltage -0.3V to 6V ■ LDO Current 350mA ■ P-Channel Switch Source Current(DC) 600mA ■ N-Channel Switch Current(DC) 600mA ■ Peak SW Sink and Source Current 800mA ■ Operation Temperature Range --40℃ to 85℃ ■ Junction Temperature 125℃ ■ Storage Temperature --65℃ to 150℃ ■ Lead Temp(Soldering,10sec) 260℃ ■ ESD Rating(HBM) 2KV Electrical Characteristics (VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2µH, CIN= 4.7µF, COUT= 10µF, TA= 25°C, IMAX = 600mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 2.7 6.5 V Quiescent Current IQ IOUT = 0mA, VFB =0.5V IOUT = 0mA, VFB =0.7V 270 25 350 35 uA Shutdown Current ISHDN EN = GND 0.1 1 uA Reference Voltage VREF For adjustable output voltage 0.602 0.625 0.632 V Adjustable Output Range VOUT VREF VIN − 0.2 V Δ VOUT VIN = 2.2 to 5.5V, VOUT = 1.2V 0A < IOUT < 600mA − 3 +3 % Δ VOUT VIN = 2.2 to 5.5V, VOUT = 1.5V 0A < IOUT < 600mA − 3 +3 % Output Voltage Δ VOUT VIN = 2.2 to 5.5V, VOUT = 1.8V 0A < IOUT < 600mA − 3 +3 % Accuracy Δ VOUT VIN = 2.8 to 5.5V, VOUT = 2.5V 0A < IOUT < 600mA − 3 +3 % Fixed Δ VOUT VIN = 3.5 to 5.5V, VOUT = 3.3V 0A < IOUT < 600mA − 3 +3 % Δ VOUT VIN = VOUT + 0.2V to 5.5V, VIN ≧ 3.5V 0A < IOUT < 600mA − 3 +3 % Adjustable Δ VOUT VIN = VOUT + 0.4V to 5.5V, VIN ≧ 2.2V 0A < IOUT < 600mA − 3 +3 % LDO Output current ILDO 300 350 400 mA PMOSFET RON PRDS(ON) IOUT = 200mA VIN = 3.6V 0.45 0.53 Ω NMOSFET RON NRDS(ON) IOUT = 200mA VIN = 3.6V 0.45 Ω P-Channel Current Limit IP(LM) VIN =2.2 to 5.5V 600 800 1000 mA EN Threshold VEN 0.8 1.2 1.5 V EN Leakage Current VENL -- 2 uA |
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