NJM2819A

NJM2819A LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2819A 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 7V/2A output power with the maximum input voltage of 10V. The NJM2819A 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.)=2.0A High Precision Output Vo ±1.0% Low Dropout Voltage 0.1V typ. (Io=1.0A, 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 NJM2819ADL3 12345 1. VIN 2. CONTROL 3. Vo 4. N.C. 5. GND NJM2819ADL3 EQUIVALENT CIRCUIT VIN Current Limit VOUT CONTROL Bandgap Reference Thermal Protection GND Ver.2010-02-08 -1- NJM2819A OUTPUT VOLTAGE RANK LIST Device Name VOUT NJM2819ADL3-18 1.8V NJM2819ADL3-21 2.1V NJM2819ADL3-03 3.0V NJM2819ADL3-33 3.3V NJM2819ADL3-05 5.0V NJM2819ADL3-52 5.2V NJM2819ADL3-07 7.0V Output voltage options available : 1.8 ~ 7.0V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage Control Voltage Power Dissipation Operating Temperature Storage Temperature VIN VCONT PD Topr Tstg (Ta=25°C) UNIT V V mW °C °C RATINGS VO > 6.0V: +10 5.0V < VO ≤ 6.0V: +9V VO ≤ 5.0V: +8 VO > 6.0V: +10 5.0V < VO ≤ 6.0V: +9V VO ≤ 5.0V: +8 1190(*1) 3125(*2) -40 ∼ +85 -40 ∼ +150 (*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, copper area 100mm2) (4Layers inner foil : 74.2 x 74.2mm Applying a thermal beer hall to a board based on JEDEC standard JESD51-5) OPERATING VOLTAGE VIN=VO + ∆VI-O ~ 9V (In case of VO > 6.0V version) VIN=VO + ∆VI-O ~ 8V (In case of 5.0V < VO ≤ 6.0V version) 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) -2- Ver.2010-02-08 NJM2819A ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=4.7µF, Co=4.7µF(Co=10µF : 1.8V≤Vo5.0V : VIN=Vo+1V ∼ 9V, 5.0V < VO ≤ 6.0V : VIN=Vo+1V ∼ 8V, 0.1 Line Regulation ∆Vo/∆VIN VO≤5.0V : VIN=Vo+1V ∼ 7V, Io=100mA Load Regulation 0.05 0.4 ∆Vo/∆Io Io=0 ∼ 2.0A 0.14 0.25 2.1V ≤ Vo < 2.5V 0.11 0.20 2.5V ≤ Vo < 2.8V Dropout Voltage(*2) Io=1.0A ∆VI -O 0.10 0.18 2.8V ≤ Vo < 3.4V 0.09 0.16 3.4V ≤ Vo ≤ 7.0V ein=200mVrms,f=1kHz, Io=100mA, Ripple Rejection RR 65 Vo=3V Version Average Temperature ∆Vo/∆Ta Ta=0 ∼ 85°C, Io=100mA ± 50 Coefficient of Output Voltage f=10Hz ∼ 80kHz, Io=100mA, Output Noise Voltage VNO 42 Vo=3V Version Control Current ICONT VCONT=1.6V 3 12 Control Voltage for ON-state VCONT(ON) 1.6 Control Voltage for OFF-state VCONT(OFF) 0.6 Io≤1.5A, Vo×0.96 2.3 Minimum Input Voltage VIN (MIN.) Vo