From old datasheet system 30-mA Switched-Cap DC-DC Converter with fixed 3-V Output 6-SOT-23 -40 to 85 MICROPOWER undervoltage sensing circuiTS 1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3
From old datasheet system 3V undervoltage sensing circuiT 13.56-MHz Vicinity Card Transponder 0-RFIDP Single Output LDO, 250mA, Adj.(2.5 to 5.5v), Low Noise, Fast Transient Response 5-SOT-23
4.59V Voltage Detector with Active Low Open Collector Output for 5v Systems, Pb- Free Device; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98 undervoltage sensing circuit