NCP718 - Low Dropout Regulator, Wide Input Voltage, Low Iq ...

1 Semiconductor Components Industries, LLC, 2017 September, 2019 Rev. 91 Publication Order Number: NCP718 /DLow Dropout Regulator, WideInput voltage , Low Iq,300 mANCP718 The NCP718 is 300 mA LDO Linear voltage Regulator. It is a verystable and accurate device with ultra low quiescent currentconsumption (typ. 4 mA over the full temperature range) and a wideinput voltage range (up to 24 V). The regulator incorporates severalprotection features such as Thermal Shutdown and Current Operating Input voltage Range: V to 24 V Fixed voltage Options Available: V to 5 V (upon request) Adjustable voltage Option from V to 5 V Ultra Low Quiescent Current: typ. 4 mA over Temperature 2% Accuracy Over Full Load, Line and Temperature Variations PSRR: 60 dB at 1 kHz Noise: typ.

2 36 mVRMS from 100 Hz to 100 kHz Stable with Small 1 mF Ceramic Capacitor Soft start to Reduce Inrush Current and Overshoots Thermal Shutdown and Current Limit Protection SOA Limiting for High Vin / High Iout Static / Dynamic Active Discharge Option Available (upon request) Available in TSOT 23 5 and WDFN6 2x2 mm Packages These Devices are Pb Free, Halogen Free/BFR Free and are RoHSCompliantTypical Applications Wireless Chargers Portable Equipment Communication SystemsFigure 1. Typical Application detailed ordering and shipping information in the packagedimensions section on page 7 of this data INFORMATIONMARKINGDIAGRAMSWDFN6MT SUFFIXCASE 511 BRPIN CONNECTIONSWDFN6 2x2 mm(Top View)123XX M1654 TSOT 23 5SN SUFFIXCASE 419AE1XX MGG1(Note: Microdot may be in either location)XX = Specific Device CodeM= Date Code*G= Pb Free PackageXX = Specific Device CodeM= Date CodeTSOT 23 5(Top View)1*Date Code orientation and/or position mayvary depending upon manufacturing 2.

3 Simplified Block DiagramINTHERMALSHUTDOWNMOSFETDRIVER WITHCURRENT LIMITINTEGRATEDSOFT STARTBANDGAPREFERENCEENABLELOGICENOUTGND EN* ACTIVE DISCHARGEV ersion A onlyINTHERMALSHUTDOWNMOSFETDRIVER WITHCURRENT LIMITINTEGRATEDSOFT STARTBANDGAPREFERENCEENABLELOGICENOUTGND EN* ACTIVE DISCHARGEV ersion A onlyADJF ixed VersionAdjustable VersionTable 1. PIN FUNCTION DESCRIPTIONPin No.(WDFN6)Pin No.(TSOT 23 5)Pin NameDescription61 INInput pin. A small capacitor is needed from this pin to ground to assure , EXP2 GNDP ower supply pin. Driving this pin high turns on the regulator. Driving EN pin low puts the regulatorinto shutdown / ADJF ixed Version: No connection. This pin can be tied to ground to improve thermal dissipationor left Version: Feedback pin for set up output voltage .

4 Use resistor divider for output voltage pin. A small 1 mF ceramic capacitor is needed from this pin toground to assure N/CNo connection. This pin can be tied to ground to improve thermal dissipation or left 2. ABSOLUTE MAXIMUM RATINGSR atingSymbolValueUnitInput voltage (Note 1)VIN to 24 VEnable VoltageVEN to VIN+ VoltageVOUT to VIN+ (max. 6)VOutput Short Circuit DurationtSCIndefinitesMaximum Junction TemperatureTJ(MAX)150 CStorage TemperatureTSTG 55 to 150 CESD Capability, Human Body Model (Note 2)ESDHBM2000 VESD Capability, Charged Device Model (Note 2)ESDCDM1000 VStresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionalityshould not be assumed, damage may occur and reliability may be Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating This device series incorporates ESD protection and is tested by the following methods:ESD Human Body Model tested per AEC Q100 002 (EIA/JESD22 A114)ESD Charged Device Model tested per EIA/JESD22 C101, Field Induced Charge up Current Maximum Rating tested per JEDEC standard: JESD78.

5 Latch up is not guaranteed on ENABLE 3. THERMAL CHARACTERISTICSR atingSymbolValueUnitThermal Characteristics, WDFN6, 2 mm x 2 mmThermal Resistance, Junction to AirRqJA65 C/WThermal Characteristics, TSOT 23 5 Thermal Resistance, Junction to AirRqJA235 4. ELECTRICAL CHARACTERISTICS -40 C TJ 125 C; VIN = V or (VOUT + V), whatever is greater; IOUT = 1 mA,CIN = COUT = 1 mF, unless otherwise noted. Typical values are at TJ = +25 C. (Note 3)ParameterTest ConditionsSymbolMinTypMaxUnit Operating Input Output voltage Accuracy (fixed versions) 40 C TJ 125 C, VOUT + 1 V < VIN < 16 V, mA < IOUT < 300 mA (Note 5)VOUT < VVOUT 3%+3%VVOUT V 2%+2% Reference voltage 40 C TJ 125 C,VOUT + 1 V < VIN < 16 Reference voltage Accuracy 40 C TJ 125 C,VOUT + 1 V < VIN < 16 VVOUT 2%+2%V Line RegulationVOUT + 1 V VIN 16 V, Iout = 1 mARegLINE10mV Load RegulationIOUT = mA to 300 mARegLOAD10mV Dropout voltage (Package TSOT 23 5)VDO = VIN (VOUT(NOM) 3%),IOUT = 300 mA (Note 4) V V V V V2754405 V250380 Dropout voltage (Package WDFN6)VDO = VIN (VOUT(NOM) 3%),IOUT = 300 mA (Note 4)

6 V V V V V2854505 V260395 Maximum Output CurrentVIN = VOUT + 1 V (Note 5)ILIM300800mA Disable CurrentVEN = 0 V, VIN = 5 Quiescent CurrentIOUT = 0 mA, 40 C TJ 125 Ground currentIOUT = 10 mAIGND50mAIOUT = 300 mA300 Power Supply Rejection Ratio VIN = V + 100 mVpp VOUT = V IOUT = 1 mA, Cout = 1 mFf = 1 kHzPSRR60dB Output Noise VoltageVOUT = V, IOUT = 10 mAf = 100 Hz to 100 kHzVN36mVrms Enable Input Threshold VoltageVoltage VVoltage decreasingVEN_LO ADJ Pin CurrentVIN = VOUT + 1 EN Pin CurrentVEN = VIEN100nA Active Output Discharge ResistanceVIN = V, VEN = 0 VRdis100W Thermal Shutdown Temperature (Note 6)Temperature increasing from TJ = +25 CTSD165 C Thermal Shutdown Hysteresis (Note 6)Temperature falling from TSDTSDH 25 CProduct parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted.

7 Productperformance may not be indicated by the Electrical Characteristics if operated under different Performance guaranteed over the indicated operating temperature range by design and/or characterization production tested at TJ = TA =25 C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as voltage Dropout for voltage variants below V is given by minimum Input voltage Respect SOA6. Guaranteed by design and CHARACTERISTICSF igure 3. Output voltage vs. Temperature VOUT = VFigure 4. Quiescent Current vs. Input VoltageTJ, JUNCTION TEMPERATURE ( C)VIN, Input voltage (V)100806040200 20 5. Disable Current vs. TemperatureFigure 6.

8 Current to Enable Pin , JUNCTION TEMPERATURE ( C)TJ, JUNCTION TEMPERATURE ( C)120806040200 20 20 7. Ground Current vs. Output Current VOUT = VFigure 8. Short Circuit Current , OUTPUT CURRENT (mA)TJ, JUNCTION TEMPERATURE ( C)9765421003612182127301201006040200 20 40440460500520560580600640 VOUT, OUTPUT voltage (V)IQ, QUIESCENT CURRENT (mA)IDIS, DISABLE CURRENT (mA)IEN, ENABLE CURRENT (mA)IGND, GROUND CURRENT (mA)ISC, SHORT CIRCUIT CURRENT (mA) = VVOUT = VCIN = 1 mFCOUT = 1 mFIOUT = 1 mAVIN = 24 VCIN = 1 mFCOUT = 1 mFVIN = VVIN = VVOUT = VCIN = 1 mFCOUT = 1 mFVIN = VVOUT = VCIN = 1 mFCOUT = 1 mFVEN = VINVOUT = VIOUT = 10 mACIN = 1 mFCOUT = 1 mFVIN = 24 VVIN = VVOUT = VCIN = 1 mFCOUT = 1 mF125 C25 C 40 CHARACTERISTICSF igure 9.

9 SOA Current Limit vs. DifferentialVoltageFigure 10. Dropout voltage vs. Output Current VOUT = VVDIF, DIFFERENTIAL voltage VIN VOUT (V)IOUT, OUTPUT CURRENT (A) 11. Power Supply Rejection Ratio , VIN = V, COUT = 1 mFFigure 12. Power Supply Rejection Ratio , VIN = 12 V, COUT = 1 mFFREQUENCY (Hz)FREQUENCY (Hz)10M1M100K10K1K1001001020405060709010 M1M100K10K1K10010010204050608090 Figure 13. Output voltage Noise SpectralDensity for VOUT = V, IOUT = 10 mA,COUT = 1 mFFigure 14. Output voltage Noise SpectralDensity for VOUT = V, IOUT = 10 mA,COUT = 1 mFFREQUENCY (Hz)FREQUENCY (Hz)1M100K10K1K10010101001K10K100K1M100K 10K1K10010101001K10K100 KSOA CURRENT LIMITATION (mA)VDROP, Dropout voltage (V)RR, RIPPLE REJECTION (dB)RR, RIPPLE REJECTION (dB)OUTPUT voltage NOISE (nV/ Hz)OUTPUT voltage NOISE (nV/ Hz)

10 = 50 HzDuty = 20%CIN = 1 mFCOUT = 1 mFVOUT = VCIN = 1 mFCOUT = 1 mF125 C25 C 40 CVIN = VVOUT = VIOUT = 10 mACIN = 1 mFCOUT = 1 mFMLCC, X7R, 08051 mA10 mA100 mA1 mA10 mA100 mAVIN = VVOUT = VCIN = 1 mFCOUT = 1 mFMLCC, X7R, 0805 VIN = VVOUT = VIOUT = 10 mACIN = 1 mFCOUT = 1 mFMLCC, X7R, 0805 VIN = 12 VVOUT = VCIN = 1 mFCOUT = 1 mFMLCC, X7R, INFORMATIONThe NCP718 is the member of new family of Wide InputVoltage Range Low Dropout Regulators which deliversUltra Low Ground Current consumption, Good Noise andPower Supply Rejection Ratio Performance. The NCP718incorporates EN pin and soft start feature for simplecontrolling by microprocessor or Decoupling (CIN)It is recommended to connect at least 1 mF ceramic X5 Ror X7R capacitor between IN and GND pin of the capacitor will provide a low impedance path for anyunwanted AC signals or noise superimposed onto constantinput voltage .