LDK320AU50R

Active

STMicroelectronics

LDO VOLTAGE REGULATOR, FIXED, 2.5 TO 18V IN, 200MV DROP, 5V/0.2A OUT, SOT-89-3, -40 TO 125 °C

Deep-Dive with AI

Search across all available documentation for this part.

Documents +6

LDK320AU50R

Active

STMicroelectronics

LDO VOLTAGE REGULATOR, FIXED, 2.5 TO 18V IN, 200MV DROP, 5V/0.2A OUT, SOT-89-3, -40 TO 125 °C

Deep-Dive with AI

Documents +6

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LDK320AU50R

Current - Output	200 mA
Current - Quiescent (Iq)	90 çA
Current - Supply (Max) [Max]	100 çA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	TO-243AA
Protection Features	Over Current, Over Temperature
PSRR [Max]	88 dB
PSRR [Min]	48 dB
Voltage - Input (Max) [Max]	18 V
Voltage - Output (Min/Fixed)	5 V
Voltage Dropout (Max) [Max]	0.35 V

LDK320 Series

200 mA low quiescent current and high PSRR voltage regulator

Part	Voltage - Input (Max) [Max]	Package / Case	Current - Output	Current - Supply (Max) [Max]	Operating Temperature [Min]	Operating Temperature [Max]	PSRR [Max]	PSRR [Min]	Voltage - Output (Min/Fixed)	Output Type	Mounting Type	Output Configuration	Current - Quiescent (Iq)	Voltage Dropout (Max) [Max]	Number of Regulators	Protection Features	Supplier Device Package	Control Features	Output Type	Voltage - Output (Max) [Max]
STMicroelectronics LDK320ADU33R	18 V	TO-243AA	200 mA	100 çA	-40 °C	125 ¯C	88 dB	48 dB	3.3 V	1.81 mOhm	Surface Mount	Positive	90 çA	0.35 V	1	Over Current Over Temperature
STMicroelectronics LDK320AM33R	18 V	SC-74A SOT-753	200 mA	100 çA	-40 °C	125 ¯C	88 dB	48 dB	3.3 V	1.81 mOhm	Surface Mount	Positive	90 çA	0.35 V	1	Over Current Over Temperature	SOT-23-5	Enable
STMicroelectronics LDK320M-R	18 V	SC-74A SOT-753	200 mA	100 çA	-40 °C	125 ¯C	88 dB	48 dB	1.2 V		Surface Mount	Positive	90 çA	0.35 V	1	Over Current Over Temperature	SOT-23-5	Enable	Adjustable	12 V
STMicroelectronics LDK320AM120R	18 V	SC-74A SOT-753	200 mA	100 çA	-40 °C	125 ¯C	88 dB	48 dB	12 V	1.81 mOhm	Surface Mount	Positive	90 çA	0.35 V	1	Over Current Over Temperature	SOT-23-5	Enable
STMicroelectronics LDK320AU50R	18 V	TO-243AA	200 mA	100 çA	-40 °C	125 ¯C	88 dB	48 dB	5 V	1.81 mOhm	Surface Mount	Positive	90 çA	0.35 V	1	Over Current Over Temperature

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.76
		10	$ 0.54
		25	$ 0.49
		100	$ 0.43
		250	$ 0.40
		500	$ 0.38
		1000	$ 0.37
	Digi-Reel®	1	$ 0.76
		10	$ 0.54
		25	$ 0.49
		100	$ 0.43
		250	$ 0.40
		500	$ 0.38
		1000	$ 0.37
	Tape & Reel (TR)	2500	$ 0.31

Description

General part information

LDK320 Series

The LDK320 is a low drop voltage regulator, which provides a maximum output current of 200 mA from an input voltage in the range of 2.5 V to 18 V, with a typical dropout voltage of 100 mV.

It is stabilized with a ceramic capacitor on the output.

The very good dynamic characteristic, combined with low drop voltage and low quiescent current make it suitable for low power battery-powered applications.

Documents

Technical documentation and resources

Presentations

Flyers

Brochures

DS11321

Product Specifications

Product Change Notice EN

Datasheet