RT9078 Datasheet | Richtek

Description The RT9078 series is a low-dropout (LDO) voltage regulator with an enable function that operates from a 1.2V to 5.5V supply. It provides up to 300m A of output current in miniaturized packaging. The device features a 2A low quiescent current and 0.5A shutdown current, making it ideal for batterypowered applications requiring extended service life. Additional features include a current limit function, over-temperature protection, and output discharge function. The remended junction temperature range is - 40C to 125C. 2 Ordering Information RT9078- Pin 1 Orientation Empty: Quadrant 1 (2): Quadrant 2, Follow EIA-481 (For ZQFN-4L 1x1 only) Package Type(1) J5: TSOT-23-5 QZ: ZQFN-4L 1x1 (Z-Type) (ZDFN-4L 1x1) Lead Plating System G: Richtek Green Policy pliant(2) Output Voltage 08 : 0.8V : 18 : 1.8V 20 : 2.0V : 33 : 3.3V 1B : 1.25V 1H : 1.85V 2H : 2.85V 1K : 1.05V 3D : 3.45V (ZQFN-4L 1x1 only) Special Request: Any voltage between 0.8V and 3.3V under specific business agreement Pin Function RT9078: Without SNS Pin RT9078N: With SNS Pin(3) Note 1. - Marked with (1) indicated: patible with the current requirements of IPC/JEDEC J-STD-020. - Marked with (2) indicated: Richtek products are Richtek Green Policy pliant. - Marked with (3) indicated: Available for output target adjustment (For example: The RT9078N-08GJ5 with 0.8V reference level for output target adjustment) Copyright © 2025 Richtek Technology Corporation. All rights reserved. RT9078_DS-21 June 2025 3 Features - Input Voltage Range: 1.2V to 5.5V - 2A Ground Current (IQ) at no Load - PSRR = 75d B at 1k Hz - Adjustable Output Voltage Range: - 0.8V to 5V (TSOT-23-5 Package with SNS Pin Only) - 2% Output Accuracy - Low (0.1A) Shutdown Current - Dropout Voltage: 0.15V at 300m A when VOUT  3V - Support Fixed Output Voltage: 0.8V, 1.0V, 1.05V, 1.1V, 1.2V, 1.25V, 1.3V, 1.5V, 1.8V, 1.85V, 1.9V, 2V, 2.5V, 2.8V, 2.85V, 3V, 3.1V, 3.3V, 3.45V - Current-Limit Protection - Over-Temperature Protection - Output...