NJM2857DL3

NJM2857 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2857 is a low dropout voltage regulator. This product has Reverse Current Protection without external SBD Advanced Bipolar technology achieves low noise, high ripple rejection and high supply voltage. 1.5A output current capacity, 4.7µF small decoupling capacitor, built-in noise bypass capacitor make the NJM2857 suitable for various applications. FEATURES High Ripple Rejection 80dB typ. (f=1kHz, Vo=3V Version) Output Noise Voltage Vno=55µVrms typ. (Vo=3V Version) Output capacitor with ceramic capacitor Output Current Io(max.)=1.5A High Precision Output Vo ±1.0% Low Dropout Voltage 0.20V typ. (Io=1A) ON/OFF Control Internal Reverse Current Protection Internal Thermal Overload Protection Internal Over Current Protection Bipolar Technology Package Outline TO-252-5 PIN CONFIGURATION 3 PACKAGE OUTLINE NJM2857DL3 12345 1.CONTROL 2.VIN 3.GND 4.Vo 5.N.C. NJM2857DL3 EQUIVALENT CIRCUIT VIN Reverse Current Protection Thermal Protection VOUT CONTROL Bandgap Reference Current Limit GND Ver.2010-02-08 -1- NJM2857 OUTPUT VOLTAGE Device Name VOUT NJM2857DL3-15 1.5V NJM2857DL3-25 2.5V NJM2857DL3-03 3.0V NJM2857DL3-33 3.3V NJM2857DL3-05 5.0V Output voltage options available : 1.5 ~ 5.0V (0.1V step) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Output Terminal Voltage Vo.max (Ta=25°C) UNIT V V V RATINGS +10 +10 Vo+1 1190(*1) Power Dissipation PD mW 3125(*2) Operating Temperature Topr -40 ∼ +85 °C Storage Temperature Tstg -40 ∼ +150 °C (*1) : Mounted on glass epoxy board. (76.2x 114.3x1.6mm:EIA/JDEC standard size, 2Layers, copper area 100mm2) (*2) : Mounted on glass epoxy board. (76.2x 114.3x1.6mm: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=+2.6V(In case of Vo