LD56050DPU110R

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STMicroelectronics

500 MA ULTRA-LOW DROPOUT LINEAR REGULATOR WITH BIAS SUPPLY

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LD56050DPU110R

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STMicroelectronics

500 MA ULTRA-LOW DROPOUT LINEAR REGULATOR WITH BIAS SUPPLY

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Description Specifications Series Pricing CAD Documents

Description

General part information

LD56050 Series

The LD56050 is a high accuracy voltage regulator, which provides 0.5 A of current. It is equipped with an NMOS pass transistor, whose gate is biased by a dedicated pin, thus allowing an ultra low-drop performance even at very low input voltages.

It is available in DFN4 1.2 x 1.2 package, allowing the maximum space saving.

The device is stabilized with a small ceramic capacitor on the output. The ultra low-drop, low quiescent current and short circuit current foldback make the LD56050 suitable for low power battery-operated applications.

Technical Specifications

Parameters and characteristics for this part

Specification	LD56050DPU110R

Control Features	Enable
Current - Output	500 mA
Current - Quiescent (Iq)	40 µA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Fixed
Package / Case	4-XDFN Exposed Pad
Package Length	1.2 mm
Package Name	4-DFN
Package Width	1.2 mm
Protection Features	Short Circuit, Over Temperature
PSRR	75 dB
Voltage - Input (Max)	5.5 V
Voltage - Output (Min/Fixed)	1.1 V
Voltage Dropout (Max)	0.25 V

LD56050 Series

Part	Voltage - Input (Max)	Package Name	Package Width	Package Length	Voltage - Output (Min/Fixed)	Mounting Type	Control Features	Package / Case	Output Configuration	Protection Features	PSRR	Current - Quiescent (Iq)	Operating Temperature (Min)	Operating Temperature (Max)	Voltage Dropout (Max)	Current - Output	Output Type	Number of Regulators
STMicroelectronics LD56050DPU100R	5.5 V	4-DFN	1.2 mm	1.2 mm	1 V	Surface Mount	Enable	4-XDFN Exposed Pad	Positive	Over Current Over Temperature	75 dB	40 µA	-40 °C	85 °C	0.25 V	500 mA	Fixed	1
STMicroelectronics LD56050DPU105R	5.5 V	4-DFN	1.2 mm	1.2 mm	1.05 V	Surface Mount	Enable	4-XDFN Exposed Pad	Positive	Over Temperature Over Temperature. Short Circuit Short Circuit	75 dB	40 µA	-40 °C	85 °C	0.25 V	500 mA	Fixed	1
STMicroelectronics LD56050DPU115R	5.5 V	4-DFN	1.2 mm	1.2 mm	1.15 V	Surface Mount	Enable	4-XDFN Exposed Pad	Positive	Over Current Over Temperature	75 dB	40 µA	-40 °C	85 °C	0.25 V	500 mA	Fixed	1
STMicroelectronics LD56050DPU110R	5.5 V	4-DFN	1.2 mm	1.2 mm	1.1 V	Surface Mount	Enable	4-XDFN Exposed Pad	Positive	Over Temperature Short Circuit	75 dB	40 µA	-40 °C	85 °C	0.25 V	500 mA	Fixed	1
STMicroelectronics LD56050DPU150R	5.5 V	4-DFN	1.2 mm	1.2 mm	1.5 V	Surface Mount	Enable	4-XDFN Exposed Pad	Positive	Over Current Over Temperature	75 dB	40 µA	-40 °C	85 °C	0.25 V	500 mA	Fixed	1
STMicroelectronics LD56050DPU120R	5.5 V	4-DFN	1.2 mm	1.2 mm	1.2 V	Surface Mount	Enable	4-XDFN Exposed Pad	Positive	Over Temperature Short Circuit	75 dB	40 µA	-40 °C	85 °C	0.25 V	500 mA	Fixed	1

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet

LD56050DPU110R | Datasheet