RP123K - 250mA Low Noise and Low Supply Current LDO Regulator

Product Overview

Nisshinbo

Datasheet Details

Part number	RP123K
Manufacturer	Nisshinbo
File Size	2.29 MB
Description	250mA Low Noise and Low Supply Current LDO Regulator
Datasheet	RP123K Datasheet
Note	This datasheet PDF includes multiple part numbers: RP123K, RP123Z. Please refer to the document for exact specifications by model.
Additional preview pages of the RP123K datasheet.

Product details

Description

RP123x No.EA-508-230821 Top View Bottom View 2 2 1 1 A B B A RP123Z (WLCSP-4-P8 / WLCSP-4-P12) Pin Configuration Top View 4 3 Bottom View 3 4 ∗ 5 4 (mark side) 1 2 2 1 RP123K (DFN(PL)1010-4B) Pin Configuration 123 RP123N (SOT-23-5) Pin Configuration RP123Zxx1x(WLCSP-4-P8), RP123Zxx3x(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 RP123K Pin Description

Features

Typ. 0.105 V (IOUT = 250 mA, VSET = 2.8 V, RP123K/N) Thermal Shutdown Protection (Detection Temp. Typ.165°C) Inrush Current Limit at Typ.150 mA 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 |