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NJM2817 Dataheets PDF



Part Number NJM2817
Manufacturers NJR
Logo NJR
Description Low Dropout Voltage Regulator
Datasheet NJM2817 DatasheetNJM2817 Datasheet (PDF)

www.DataSheet4U.com NJM2817 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2817 is a low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. It delivers up to 5V/3A output power with the maximum input voltage of 8V. The NJM2817 is suitable for audio/video and digital applications. FEATURES High Ripple Rejection 65dB typ. (f=1kHz,3V Version) Output Noise Voltage Vno=42µVrms typ. (Vo=3V Version).

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www.DataSheet4U.com NJM2817 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2817 is a low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. It delivers up to 5V/3A output power with the maximum input voltage of 8V. The NJM2817 is suitable for audio/video and digital applications. FEATURES High Ripple Rejection 65dB typ. (f=1kHz,3V Version) Output Noise Voltage Vno=42µVrms typ. (Vo=3V Version) Output capacitor with 4.7µF ceramic capacitor (Vo≥2.1V) Output Current Io(max.)=3.0A High Precision Output Vo ±1.0% Low Dropout Voltage 0.12V typ. (Io=1.5A, 3.0V Version) ON/OFF Control Internal Short Circuit Current Limit Internal Thermal Overload Protection Package Outline TO-252-5 PIN CONFIGURATION 3 PACKAGE OUTLINE NJM2817DL3 123 45 1. VIN 2. CONTROL 3. Vo 4. N.C. 5. GND NJM2817DL3 EQUIVALENT CIRCUIT VIN Current Limit VOUT CONTROL Bandgap Reference Thermal Protection GND Ver.2010-07-12 -1- NJM2817 OUTPUT VOLTAGE RANK LIST Device Name VOUT NJM2817DL3-18 1.8V NJM2817DL3-21 2.1V NJM2817DL3-03 3.0V NJM2817DL3-05 5.0V Output voltage options available : 1.8 ~ 5.0V (0.1V step) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation Operating Temperature Storage Temperature PD Topr Tstg (Ta=25°C) RATINGS +8 +8 1190(*1) 3125(*2) -40 ∼ +85 -40 ∼ +150 www.DataSheet4U.com UNIT V V mW °C °C (*1) : Mounted on glass epoxy board. (76.2×114.3×1.6mm:EIA/JDEC standard size, 2Layers, copper area 100mm2) (*2) : Mounted on glass epoxy board. (76.2×114.3×1.6mm:EIA/JDEC standard size, 4Layers, (4Layers inner foil : 74.2 x 74.2mm Applying thermal via holes to a board based on JEDEC standard JESD51-5) OPERATING VOLTAGE VIN=VO + ∆VI-O ~ +7V (In case of 2.1V ≤ VO ≤ 5.0V version) VIN=2.3V ~ +7V (In case of VO < 2.1V version) ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=4.7µF(CIN=10µF:Vo<2.1V), Co=4.7µF(Co=33µF : Vo<2.1V), Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. Output Voltage Vo Io=100mA -1.0% Quiescent Current IQ Io=0mA, except ICONT Quiescent Current VCONT=0V IQ (OFF) at Control OFF Output Current Io Vo x 0.9V 3 Line Regulation ∆Vo/∆VIN VIN=Vo+1V ∼ 7V, Io=100mA Load Regulation ∆Vo/∆Io Io=0 ∼ 3.0A 2.1V ≤ Vo < 2.5V 2.5V ≤ Vo < 2.8V Dropout Voltage(*2) Io=1.0A ∆VI -O 2.8V ≤ Vo < 3.4V 3.4V ≤ Vo ≤ 5.0V ein=200mVrms,f=1kHz, Ripple Rejection RR Io=100mA,Vo=3V Version Average Temperature ∆Vo/∆Ta Ta=0 ∼ 85°C, Io=100mA Coefficient of Output Voltage f=10Hz ∼ 80kHz, Io=100mA, Output Noise Voltage VNO Vo=3V Version Control Current ICONT VCONT=1.6V Control Voltage for ON-state VCONT(ON) 1.6 Control Voltage for OFF-state VCONT(OFF) Io≤1.5A, Vo×0.96 2.3 Minimum Input Voltage VIN (MIN.) Vo<2.1V 1.5A


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