RP122K - 400mA Low Noise and Low Supply Current LDO Regulator

Product Overview

Nisshinbo

Datasheet Details

Part number	RP122K
Manufacturer	Nisshinbo
File Size	3.88 MB
Description	400mA Low Noise and Low Supply Current LDO Regulator
Datasheet	RP122K Datasheet
Note	This datasheet PDF includes multiple part numbers: RP122K, RP122Z. Please refer to the document for exact specifications by model.
Additional preview pages of the RP122K datasheet.

Product details

Description

Top View Bottom View 2 2 1 1 A B B A RP122Z (WLCSP-4-P8 / WLCSP-4-P12) Pin Configuration RP122x No.EA-403-230821 Top View 4 3 Bottom View 3 4 ∗ 5 4 (mark side) 1 2 2 1 RP122K (DFN (PL) 1010-4B) Pin Configuration 123 RP122N (SOT-23-5) Pin Configuration RP122Zxx1x(WLCSP-4-P8), RP122Zxx3x(WLCSP-4-P12) Pin Description Pin No.Symbol Description A1 VDD Input Pin A2 VOUT Output Pin B1 CE Chip Enable Pin, Active-high B2 GND Ground Pin RP122K Pin Description

Features

Typ. 0.170 V (IOUT = 400 mA, VSET = 2.8 V, RP122K/N) Thermal Shutdown Protection (Detection Temp. Typ.165°C) Inrush Current Limit at Typ.250mA for appr.700μs period after startup.
Ceramic Capacitor (CIN, COUT): 1.0 µF or more (No Need of Noise Bypass Capacitor).

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Published: Aug 21, 2025 |