TPS7A2042PDQNR TI Voltage Regulators - Linear, Low Drop Out (LDO)

The TPS7A2042PDQNR is a 300-mA ultra-low-noise LDO regulator from Texas Instruments in 4-pin X2SON (DQN) ultra-small package (1 mm × 1 mm) , providing fixed 4.2 V output . For selection, verify input from 4.4 V to 6 V, fixed 4.2 V output, output noise of 10 µVrms, PSRR of 92 dB at 1 kHz, dropout of 140 mV at 300 mA, quiescent current of 15 µA, smart enable, internal soft-start, overcurrent and thermal protection, and operating temperature from -40°C to +125°C . Ideal for RF applications, VCOs, PLLs, ADCs, DACs, smartphones, wearables, and portable medical equipment requiring clean, stable 4.2 V supply in ultra-compact package . In stock at HL Electronics – request a quote for fast delivery.