AN8060, AN8060S Low Drop Type Negative Output (–4V) Regulator with Reset Pin ■ Overview AN8060 • With reset function : bias current at resetting –5µA • Small input-output voltage difference : IO=30mA, 0.2V • Low Supply Voltage sensing comparator built-in 8 2 7 3 6 4 2.54 9.4±0.3 ■ Features 1 0.5±0.1 1.2±0.25 Unit : mm The AN8060 and the AN8060S are the low drop type regulators having the function of resetting output voltage. With a comparator to sence reduced voltage builting it is suitable for batteries operation. 5 0.51min. 6.3±0.3 3.8±0.25 (3.45) ■ Pin Descriptions Pin No. Symbol 1 GND 2 VI Input voltage 3 VO Output voltage 4 CADJ 3—15˚ 7.62±0.25 8-pin DIL Plastic Package (DIP008-P-0300B) Low supply voltage sensing adj. DiA Diode pin (Anode) 1 8 2 7 3 6 4 5 5.0±0.3 8 1.5±0.2 Diode pin (Cathode) 0.3 4.2±0.3 6.5±0.3 0.65 DiC Unit : mm 0.15 7 AN8060S 0.6±0.3 0.4±0.25 RSENSE Low supply voltage sensing output RESET Reset pin 1.27 6 GND 0.15 – 0.1±0.1 5 + 0.1 0.05 Pin name 8-pin · SOP package (SOP008-P-0225A) ■ Block Diagram 8 7 RESET RSENSE 6 5 Current Source * VREF – + * A * 1 2 3 4 GND VI VO CADJ *↓ = to VIN ■ Absolute Maximum Ratings (Ta=25˚C) Symbol Rating Unit Supply voltage Parameter VCC –12 to + 0.3 Supply current ICC V mA PD Power dissipation Operating ambient temperature Storage temperature Tstg AN8060 500 AN8060S 361 mW Topr –20 to + 75 AN8060 –55 to + 150 ˚C AN8060S –55 to + 125 ˚C ■ Electrical Characteristics (Ta=25˚C) Parameter Symbol Condition min Bias current at reset IRB VRESET=0V, VI= –6V Bias current at no load IUB VI= –6V Output voltage VO VI= –6V, IO=10mA –4.08 Output voltage tolerance VT VI= –4.4 to –8V, IO=1 to 30mA –4.06 Stable input voltage VIS VI= –4.4 to –7.4V, IO=10mA Stable lock voltage VLS VI= –6V, IO=1 to 30mA Input/Output voltage difference VIOS VI= –3.8V, IO=30mA Reset pin input current (H) IRICH VI= –6V, VRESET=0V Reset pin input current (L) IRICL VI= –6V, VRESET= –6V –200 typ max Unit 5 µA 2.5 6 mA –3.92 –3.76 V –3.66 V 3.6 60 mV 8 60 mV 0.1 0.2 V µA –1 µA Low supply voltage sending level VRDL IO=10mA –4.55 Output voltage at reset VRO VRESET=0V, VI= –6V – 0.1 V Comparator output current ICO VI= –4V, VRSENSE= –3.6V 1 mA –4.3 –4.05 V ■ Characteristics Curve PD –Ta PD – Ta 400 1.0 0.8 0.6 0.4 0.2 0 –50 0 AN8060S SO-8D (361mW) Power Dissipation PD (mW) Power Dissipation PD (W) AN8060 50 100 150 Ambient Temperature Ta (˚C) 200 300 200 Qj – a = 277˚C/W 100 0 0 25 50 75 100 125 Ambient Temperature Ta (˚C)