S-L2980 Series HIGH RIPPLE-REJECTION AND LOW DROPOUT www.ablic.com CMOS VOLTAGE REGULATOR www.ablicinc.com ABLIC Inc., 2001-2012 Rev.5.1 02 The S-L2980 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current consumption developed based on CMOS technology. A built-in low on-resistance transistor provides a low dropout voltage and a large output current. A ON/OFF circuit ensures long battery life. Various types of output capacitors can be used in the S-L2980 Series compared with the conventional CMOS voltage regulators. A small ceramic capacitor can also be used. Features Output voltage: 1.5 V to 6.0 V, selectable in 0.1 V steps Output voltage accuracy: 2.0 % 120 mV typ. (3.0 V output product, I =50 mA) Dropout voltage: OUT Current consumption: During operation: 90 A typ., 140 A max. During power-off: 0.1 A typ., 1.0 A max. *1 Output current: Possible to output 150 mA (V V +1.0 V) IN OUT(S) Output capacitor: A ceramic capacitor of 1.0 F or more can be used. (A ceramic capacitor of 2.2 F or more can be used for the products whose output voltage is 1.7 V or less.) Ripple rejection: 70 dB typ. (f=1.0 kHz) Built-in ON/OFF circuit: Ensures long battery life. Ta=40C to +85C Operation temperature range: *2 Lead-free, Sn 100%, halogen-free *1. Attention should be paid to the power dissipation of the package when the load is large. *2. Refer to Product Name Structure for details. Applications Power supply for battery-powered device Power supply for personal communication device Power supply for home electric appliance Power supply for cellular phone Package SOT-23-5 1 HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-L2980 Series Rev.5.1 02 Block Diagram *1 VIN VOUT ON/OFF ON/OFF circuit Reference voltage circuit VSS *1. Parasitic diode Figure 1 2
