{"product_id":"rt9193-33-rt9193-33gb-3-3v-ldo-regulator-sot23-5-300ma-5pack","title":"RT9193-33 \/ RT9193-33GB 3.3V LDO Voltage Regulator — SOT-23-5, 300mA (5-Pack)","description":"\u003ch2\u003eRT9193-33 \/ RT9193-33GB — 3.3V LDO Voltage Regulator, SOT-23-5\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eRT9193-33\u003c\/strong\u003e (also marked \u003cstrong\u003eRT9193-33GB\u003c\/strong\u003e) is a \u003cstrong\u003e300mA low-dropout (LDO) voltage regulator\u003c\/strong\u003e with a fixed \u003cstrong\u003e3.3V output\u003c\/strong\u003e in a compact \u003cstrong\u003eSOT-23-5 SMD package\u003c\/strong\u003e from Richtek. With an ultra-low dropout voltage and an \u003cstrong\u003eenable pin\u003c\/strong\u003e for power sequencing, it is ideal for powering \u003cstrong\u003eESP32, ESP8266, STM32, and other 3.3V microcontrollers\u003c\/strong\u003e from 5V or battery sources. Each pack contains \u003cstrong\u003e5 pieces\u003c\/strong\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eRT9193-33 \/ RT9193-33GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23-5 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e300mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e2.5V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDropout Voltage\u003c\/td\u003e\n\u003ctd\u003e~300mV @ 300mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent Current\u003c\/td\u003e\n\u003ctd\u003e~55uA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnable Pin\u003c\/td\u003e\n\u003ctd\u003eYes (active HIGH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Noise\u003c\/td\u003e\n\u003ctd\u003e~50uVrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +125 degrees C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew, Original\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose RT9193-33?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow dropout ~300mV\u003c\/strong\u003e — works from 3.6V Li-ion battery down to near-empty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnable pin\u003c\/strong\u003e — power sequencing and shutdown control from microcontroller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e55uA quiescent current\u003c\/strong\u003e — minimal standby power for battery-powered devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOT-23-5 package\u003c\/strong\u003e — compact SMD for space-constrained PCB designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow output noise\u003c\/strong\u003e — clean 3.3V for sensitive RF and analog circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — enough for multiple boards or replacement stock\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32 \/ ESP8266 power supply\u003c\/strong\u003e — 3.3V from 5V USB or 3.7V Li-ion battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino 3.3V rail\u003c\/strong\u003e — supplement or replace onboard 3.3V regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTM32 \/ nRF52 power\u003c\/strong\u003e — clean 3.3V for ARM Cortex-M microcontrollers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor module power\u003c\/strong\u003e — stable 3.3V for I2C\/SPI sensors and modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable device power management\u003c\/strong\u003e — enable-controlled 3.3V rail for sleep\/wake power sequencing\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can RT9193-33 power an ESP32 from a 3.7V Li-ion battery?\u003c\/strong\u003e\u003cbr\u003eA: Yes. With dropout ~300mV, it regulates 3.3V from inputs as low as 3.6V. A 3.7V Li-ion cell (3.0V cutoff) provides adequate headroom for most of its discharge cycle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum input voltage?\u003c\/strong\u003e\u003cbr\u003eA: 5.5V. Do not exceed this to avoid damaging the IC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is RT9193-33GB the same as RT9193-33?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The GB suffix indicates the green\/RoHS-compliant package variant. Electrically identical.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5x RT9193-33 \/ RT9193-33GB SOT-23-5 3.3V LDO Regulator (new, original)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991477178603,"sku":"\u003cnone\u003e","price":5.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/rt9193-33-sot23-5-3-3v-ldo-voltage-regulator-ic.webp?v=1761629838","url":"https:\/\/keszoox.com\/products\/rt9193-33-rt9193-33gb-3-3v-ldo-regulator-sot23-5-300ma-5pack","provider":"Keszoox","version":"1.0","type":"link"}