ncp584 - Tri-Mode 200 mA CMOS LDO Regulator …

1 Semiconductor Components Industries, LLC, 2010 February, 2010 Rev. 141 Publication Order Number: ncp584 /DNCP584 Tri-Mode 200 mA CMOSLDO Regulator with EnableThe ncp584 series of low drop out regulators are designed forportable battery powered applications which require precise outputvoltage accuracy, low quiescent current, and high ripple devices feature an enable function which lowers currentconsumption significantly and are offered in the SOT23 5 series of devices have three modes. Chip Enable (CE mode),Fast Transient Mode (FT mode), and Low Power Mode (LP mode).Both the FT and LP mode are utilized via the ECO Tri mode Operation Low Dropout Voltage of 400 mV at 200 mA, Output Voltage = V 300 mV at 200 mA, Output Voltage = V 200 mV at 200 mA, Output Voltage = V Excellent Line Regulation of ( LP Mode) Excellent Load Regulation of 10 mV (20 mV FT Mode) High Output Voltage Accuracy of 2% ( 3% LP mode) Ultra Low Iq Current mA (LP mode, Output Voltage V)40 mA (FT mode)

2 Very Low Shutdown Current of mA Excellent Power Supply Rejection Ratio of 75 dB at f = kHz Low Temperature Drift Coefficient on the Output Voltage of"100 ppm/ C Fold Back Protection Circuit Input Voltage up to V These are Pb Free DevicesTypical Applications Portable Equipment Hand Held Instrumentation Camcorders and CamerasFigure 1. Simplified Block Diagram for Active LowFigure 2. Simplified Block Diagram for Active High+-VinVrefCurrent LimitCEVoutGNDECO+-VinVrefCurrent LimitCEVoutGNDECOSOT23 5SN SUFFIXCASE 1212 detailed ordering and shipping information in the packagedimensions section on page 13 of this data INFORMATION15 XXXTT15 XXX = Specific Device CodeTT= Traceability Information*Additional voltage options may be available V and V in 100 mV FUNCTION DESCRIPTIONSOT23 5 Pin NameDescription1 VinPower supply input supply or CEChip enable alternative pin.

3 (VECO = Vin for FT mode; VECO = GND for LP mode)5 VoutRegulated output RATINGSR atingSymbolValueUnitInput Voltage (CE or CE Pin)VCE to Vin + Voltage (ECO Pin)VECO to Vin + VoltageVout to Vin + CurrentIout250mAPower DissipationPD250mWESD Capability, Human Body Model, C = 100 pF, R = kWESDHBM1000 VESD Capability, Machine Model, C = 200 pF, R = 0 WESDMM150 VOperating Ambient Temperature RangeTA 40 to +85 CMaximum Junction TemperatureTJ(max)125 CStorage Temperature RangeTstg 55 to +150 CStresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above theRecommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affectdevice CHARACTERISTICS (Vin = Vout + V, TA = 25 C, unless otherwise noted.)

4 CharacteristicSymbolMinTypMaxUnitInput Voltage ( mA Iout 30 mA)VECO = VinVECO = GNDVoutVout x x Vout x x Regulation (Iout = 30 mA, Vout + V Vin V)FT Mode VECO = VinLP Mode VECO = GNDR egline RegulationFT Mode ( mA Iout 200 mA), VECO = VinLP Mode ( mA Iout 100 mA), VECO = GNDR egload 20104040mVDropout Voltage (Iout = 200 mA)Vout = V v Vout v V v Vout v V v Vout v VVDO Current (Iout = 0 mA)FT Mode, VECO = VinLP Mode, VECO = GNDVout VVout VIq Current (Vin Vout = V)Vin V, Vout = VIout200 mAShutdown Current (VCE = Vin)ISD Short Circuit Current (Vout = 0 V)Ilim 50 mAEnable Input Threshold Rejection(Iout = 30 mA, Vout = V, Vin Vout = V)f = 120 Hzf = kHzf = 10 kHzRR 757565 dBOutput Noise Voltage (BW = 10 Hz to 100 kHzVn 30 mVrmsOutput Voltage Temperature Coefficient(Iout = 30 mA, 40 C TA 85 C)DVout/DT "100 ppm/ CNCP584 CHARACTERISTICSF igure 3.)

5 Output Voltage vs. Output CurrentFigure 4. Output Voltage vs. Output Current0100300 OUTPUT CURRENT Iout (mA)OUTPUT VOLTAGE Vout (V)400 Vout = Vout nominalECO = HVin = Vout nominal + V2000100300 OUTPUT CURRENT Iout (mA)OUTPUT VOLTAGE Vout (V)400200 Vin = Vout nominal + VDO (max)Vout = Vout nominalECO = LVin = Vout nominal + VVin = Vout nominal + VDO (max)Figure 5. Output Voltage vs. Input VoltageFigure 6. Output Voltage vs. Input VOLTAGE Vin (V)OUTPUT VOLTAGE Vout (V)Iout = = 30 mAIout = 50 = VECO = VOLTAGE Vin (V)OUTPUT VOLTAGE Vout (V)Iout = = 30 mAIout = 50 = VECO = VOLTAGE Vin (V)OUTPUT VOLTAGE Vout (V)Iout = = 30 mAIout = 50 = VECO = 7. Output Voltage vs. Input VoltageFigure 8. Output Voltage vs. Input VOLTAGE Vin (V)OUTPUT VOLTAGE Vout (V)Iout = = 30 mAIout = 50 = VECO = VOLTAGE Vin (V)QUIESCENT CURRENT, Iq (mA) 9.

6 Quiescent Current vs. Input VoltageVout = VECO = VOLTAGE Vin (V) = VECO = HFigure 10. Quiescent Current vs. Input VOLTAGE Vin (V) = VECO = LFigure 11. Quiescent Current vs. Input VoltageFigure 12. Quiescent Current vs. Input VOLTAGE Vin (V)SUPPLY CURRENT, Isupply (mA) = VECO = LQUIESCENT CURRENT, Iq (mA)QUIESCENT CURRENT, Iq (mA)Figure 13. Output Voltage vs. Temperature 2502550 TEMPERATURE ( C)OUTPUT VOLTAGE, Vout (V) 5075 Vout = VECO = HFigure 14. Output Voltage vs. Temperature 2502550 TEMPERATURE ( C)OUTPUT VOLTAGE, Vout (V) 5075 Vout = VECO = LNCP584 CHARACTERISTICSF igure 15. Output Voltage vs. Temperature 2502550 TEMPERATURE ( C)OUTPUT VOLTAGE, Vout (V) = VECO = HFigure 16. Output Voltage vs. Temperature 2502550 TEMPERATURE ( C)OUTPUT VOLTAGE, Vout (V) = VECO = LFigure 17.

7 Dropout Voltage vs. Output Current255075100 OUTPUT CURRENT Iout (mA)DROPOUT VOLTAGE, VDO (V) = VECO = H125 40 C85 C25 CURRENT Iout (mA)DROPOUT VOLTAGE, VDO (V) = VECO = L125 40 C85 C25 18. Dropout Voltage vs. Output CurrentFigure 19. Dropout Voltage vs. Output Current255075100 OUTPUT CURRENT Iout (mA)DROPOUT VOLTAGE, VDO (V) = VECO = H125 40 C85 C25 CURRENT Iout (mA)DROPOUT VOLTAGE, VDO (V) = VECO = L125 40 C85 C25 20. Dropout Voltage vs. Output CurrentNCP584 CHARACTERISTICSF igure 21. Dropout Voltage vs. Output Current255075100 OUTPUT CURRENT Iout (mA)DROPOUT VOLTAGE, VDO (V) = VECO = H125 40 C85 C25 CURRENT Iout (mA)DROPOUT VOLTAGE, VDO (V) = VECO = L125 40 C85 C25 22. Dropout Voltage vs. Output CurrentFigure 23. Ripple Rejection vs.

8 FrequencyFigure 24. Ripple Rejection vs. Frequency90110 FREQUENCY, f (kHz)RIPPLE REJECTION, RR (dB) , f (kHz)RIPPLE REJECTION, RR (dB) = mAIout = 30 mAIout = mAIout = 30 mAIout = 50 mAVout = VVin = V + Vp pCout = mF, ECO = HVout = VVin = V + Vp pCout = mF, ECO = LFigure 25. Ripple Rejection vs. FrequencyFigure 26. Ripple Rejection vs. Frequency90110 FREQUENCY, f (kHz)RIPPLE REJECTION, RR (dB) , f (kHz)RIPPLE REJECTION, RR (dB) = mAIout = 30 mAIout = mAIout = 30 mAIout = 50 mAVout = VVin = V + Vp pCout = mF, ECO = HVout = VVin = V + Vp pCout = mF, ECO = LIout = 50 mAIout = 50 mANCP584 CHARACTERISTICS1050 TIME, t (ms)OUTPUT VOLTAGE, Vout ( V/div)1000 Output VoltageInput Voltage20603070408090 INPUT VOLTAGE, Vin ( V/div) , t (ms) VoltageInput VOLTAGE, Vin ( V/div)ECO = H, Iout = 30 mAtr = tf = 5 ms, Cout = mFVout = Vout nominalFigure 27.

9 Input Transient ResponseECO = L, Iout = 10 mAtr = tf = 5 ms, Cout = mFVout = Vout nominal1050 TIME, t (ms)OUTPUT VOLTAGE, Vout ( V/div)1000 Output VoltageInput Voltage20603070408090 INPUT VOLTAGE, Vin ( V/div) , t (ms)OUTPUT VOLTAGE, Vout ( V/div) VoltageInput VOLTAGE, Vin ( V/div)ECO = H, Iout = 30 mAtr = tf = 5 ms, Cout = mFVout = Vout nominalECO = L, Iout = 10 mAtr = tf = 5 ms, Cout = mFVout = Vout nominalOUTPUT VOLTAGE, Vout ( V/div)1050 TIME, t (ms)OUTPUT VOLTAGE, Vout ( V/div)1000 Output VoltageInput Voltage20603070408090 INPUT VOLTAGE, Vin ( V/div) , t (ms)OUTPUT VOLTAGE, Vout ( V/div) VoltageInput VOLTAGE, Vin ( V/div)ECO = H, Iout = 30 mAtr = tf = 5 ms, Cout = mFVout = Vout nominalECO = L, Iout = 10 mAtr = tf = 5 ms, Cout = mFVout = Vout nominalNCP584 CHARACTERISTICS08 TIME, t (ms)OUTPUT VOLTAGE, Vout ( V/div)18 2 Output VoltageLoad Current21041261416150100500 LOAD CURRENT, Iout (mA)ECO = H, Vin = Vout nominal + VCin = mF, Cout = mFVout = Vout , t (ms)OUTPUT VOLTAGE, Vout ( V/div) VoltageLoad CURRENT, Iout (mA)10 ECO = L, Vin = Vout nominal + VCin = mF, Cout = mFVout = Vout nominalFigure 28.

10 Load Transient Response08 TIME, t (ms)OUTPUT VOLTAGE, Vout ( V/div)18 2 Output VoltageLoad Current21041261416150100500 LOAD CURRENT, Iout (mA)ECO = H, Vin = Vout nominal + VCin = mF, Cout = mFVout = Vout , t (ms)OUTPUT VOLTAGE, Vout ( V/div) VoltageLoad CURRENT, Iout (mA)10 ECO = L, Vin = Vout nominal + VCin = mF, Cout = mFVout = Vout nominal08 TIME, t (ms)OUTPUT VOLTAGE, Vout ( V/div)18 2 Output VoltageLoad Current21041261416150100500 LOAD CURRENT, Iout (mA)ECO = H, Vin = Vout nominal + VCin = mF, Cout = mFVout = Vout , t (ms)OUTPUT VOLTAGE, Vout ( V/div) VoltageLoad CURRENT, Iout (mA)10 ECO = L, Vin = Vout nominal + VCin = mF, Cout = mFVout = Vout nominalNCP584 CHARACTERISTICSF igure 29. Turn On/Off Speed with CE Pin (Vout = V)20 TIME, t (ms)CE INPUT VOLTAGE, VCE (V) VOLTAGE, Vout (V) = 200 mAVCE = 0 V to 30.