Dc E2h Datasheet [ INSTANT • 2027 ]
Featuring a low dropout voltage of , this regulator extends the usable battery life of lithium-ion or dual-alkaline powered devices. 3. Comprehensive Circuit Protection The RT9193-18GB includes integrated safety mechanisms:
or larger ceramic capacitor is recommended directly adjacent to the input pin to buffer transient voltage drops from long battery leads. Place a
The SMD top-side marking identifies the highly popular Richtek Technology RT9193-18GB , a high-performance, ultra-low-noise CMOS Low Dropout (LDO) linear voltage regulator. Packaged in a compact SOT-23-5 , this integrated circuit delivers a stable 1.8V output at up to 300mA . dc e2h datasheet
low-ESR ceramic capacitors on both the input and output lines. This reduces physical footprint size compared to older regulators requiring bulkier tantalum capacitors. 4. Typical Application Circuit
Power Supply Input Pin. Requires a minimum input voltage of 2.5V up to 5.5V. GND Ground Reference. 3 EN Featuring a low dropout voltage of , this
Deactivates the pass transistor if the silicon junction temperature exceeds 165°C, preventing permanent damage. 4. Direct Ceramic Capacitor Support
ceramic capacitor directly at Pin 5 for control loop stability and fast transient response. Bypass Capacitor ( CBYPcap C sub cap B cap Y cap P end-sub Place a The SMD top-side marking identifies the
Operating with a wide input voltage range, the maintains a stable regulated output even as battery voltage declines over time. Absolute Maximum Ratings Input Supply Voltage ( VINcap V sub cap I cap N end-sub ): -0.3V to 6.0V Enable Input Voltage ( VENcap V sub cap E cap N end-sub ): -0.3V to VINcap V sub cap I cap N end-sub Power Dissipation ( PDcap P sub cap D ): 400mW at Junction Temperature ( TJcap T sub cap J ): -40°C to +125°C Lead Temperature (Soldering, 10s): 260°C Recommended Operating Conditions Input Voltage Range ( VINcap V sub cap I cap N end-sub ): 2.5V to 5.5V Operating Ambient Temperature ( TAcap T sub cap A ): -40°C to +85°C Electrical Characteristics Below are the key operational metrics measured at unless otherwise specified: Conditions Output Voltage VOUTcap V sub cap O cap U cap T end-sub Output Current IOUTcap I sub cap O cap U cap T end-sub Continuous load Dropout Voltage VDROPcap V sub cap D cap R cap O cap P end-sub Quiescent Current IQcap I sub cap Q Shutdown Current ISHDNcap I sub cap S cap H cap D cap N end-sub Line Regulation ΔVLINEcap delta cap V sub cap L cap I cap N cap E end-sub Load Regulation ΔVLOADcap delta cap V sub cap L cap O cap A cap D end-sub Power Supply Rejection PSRR Output Noise eNe sub cap N Thermal Shutdown TSDcap T sub cap S cap D end-sub Junction temperature rising 3. Notable Features & Benefits 1. Ultra-Low Noise Performance
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