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:
Typical Application Schematic VIN ───┬──────────────┬────────────── VOUT (1.8V Regulated) │ │ ┌─┴──────────────┴─┐ │ 1 VIN VOUT 5 │ │ │ Enable ────►│ 3 EN GND 2 │ Signal │ │ │ 4 BP │ └────────┬─────────┘ │ ▼ (GND) Component Guidelines A dc e2h datasheet
Active-High Enable Input. Drives the regulator into shutdown mode when pulled low. BP/NC Featuring a low dropout voltage of , this
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 . Drives the regulator into shutdown mode when pulled low
Power Supply Input Pin. Requires a minimum input voltage of 2.5V up to 5.5V. GND Ground Reference. 3 EN
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