NJM2856

NJM2856 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2856 is a low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection. It delivers up to 5V/1A output power with the maximum input voltage of 10V. The NJM2856 is suitable for various applications such as portable / consumer equipments. FEATURES High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=45µVrms typ. Output capacitor with 2.2µF ceramic capacitor (Vo≥2.7V) Output Current Io(max.)=1A High Precision Output Vo±1.0% Low Dropout Voltage 0.20V typ. (Io=600mA) ON/OFF Control Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline TO-252-5 PIN CONFIGURATION 3 PACKAGE OUTLINE NJM2856DL3 12345 1.CONTROL 2.VIN 3.GND 4.Vo 5.NC NJM2856DL3 EQUIVALENT CIRCUIT VIN Control Bandgap Reference Thermal Protection VOUT GND Ver.2008-11-12 1 NJM2856 OUTPUT VOLTAGE RANK LIST The WHITE column shows applicable Voltage Rank(s) Device Name NJM2856DL3-15 NJM2856DL3-16 NJM2856DL3-17 NJM2856DL3-18 NJM2856DL3-19 NJM2856DL3-02 NJM2856DL3-21 NJM2856DL3-22 NJM2856DL3-23 NJM2856DL3-24 NJM2856DL3-25 NJM2856DL3-26 NJM2856DL3-27 NJM2856DL3-28 NJM2856DL3-29 NJM2856DL3-03 NJM2856DL3-31 NJM2856DL3-32 NJM2856DL3-33 NJM2856DL3-34 Vout 1.5V 1.6V 1.7V 1.8V 1.9V 2.0V 2.1V 2.2V 2.3V 2.4V 2.5V 2.6V 2.7V 2.8V 2.9V 3.0V 3.1V 3.2V 3.3V 3.4V Device Name NJM2856DL3-35 NJM2856DL3-36 NJM2856DL3-37 NJM2856DL3-38 NJM2856DL3-39 NJM2856DL3-04 NJM2856DL3-41 NJM2856DL3-42 NJM2856DL3-43 NJM2856DL3-44 NJM2856DL3-45 NJM2856DL3-46 NJM2856DL3-47 NJM2856DL3-48 NJM2856DL3-49 NJM2856DL3-05 Vout 3.5V 3.6V 3.7V 3.8V 3.9V 4.0V 4.1V 4.2V 4.3V 4.4V 4.5V 4.6V 4.7V 4.8V 4.9V 5.0V 2 Ver.2008-11-12 NJM2856 (Ta=25°C) RATINGS UNIT +10 V +10 V 1190(*1) mW -40 ∼ +85 °C -40 ∼ +150 °C (*1): Mounted on glass epoxy board. (114.3x76.2x1.6mm: 2Layers, FR-4, copper area 100mm2) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltae VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg OPERATING VOLTAGE VIN=+2.5V ~ +8V (In case of Vo2.0V : VIN=Vo+1V, Vo≤2.0V : VIN=3.0V The above specification is a common specification for all output voltages. Therefore, it may be different from the individual specification for a specific output voltage. Ver.2008-11-12 3 NJM2856 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJM2856DL3 PowerDissipation (Topr=-40~+85°C,Tj=150°C) 3500 Power Dissipation PD(mW) 3000 2500 2000 1500 1000 500 0 -50 on 4 layers board on 2 layers board -25 0 25 50 75 100 Temperature : Ta(°C) TEST CIRCUIT A VIN IIN VIN VOUT 0.33µF ICONT NJM2856 2.2µF *4 IOUT V VOU (ceramic) A V VCONT *4 CONTROL GND 1.7V