LT3029EDE#PBF

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Analog Devices

DUAL 500MA/500MA LOW DROPOUT, LOW NOISE, MICROPOWER LINEAR REGULATOR

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LT3029EDE#PBF

Active

Analog Devices

DUAL 500MA/500MA LOW DROPOUT, LOW NOISE, MICROPOWER LINEAR REGULATOR

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DocumentsDatasheet R531 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3029EDE#PBF

Control Features	Enable
Current - Output	500 mA
Mounting Type	Surface Mount
Number of Regulators	2
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	16-WFDFN Exposed Pad
Protection Features	Over Temperature, Reverse Polarity, Over Current
PSRR	67 dB
Supplier Device Package	16-DFN (4x3)
Voltage - Input (Max) [Max]	20 V
Voltage - Output (Max) [Max]	19.5 V
Voltage - Output (Min/Fixed)	1.215 V
Voltage Dropout (Max) [Max]	0.46 V

LT3029 Series

Dual 500mA/500mA Low Dropout, Low Noise, Micropower Linear Regulator

Part	Protection Features	Control Features	Output Type	Voltage - Output (Min/Fixed)	Voltage - Input (Max) [Max]	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Output Configuration	Number of Regulators	Current - Output	Supplier Device Package	Voltage Dropout (Max) [Max]	PSRR	Voltage - Output (Max) [Max]	Package / Case	Package / Case	Current - Quiescent (Iq)	Current - Supply (Max) [Max]
Analog Devices LT3029IDE#TRPBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-40 °C	Positive	2	500 mA	16-DFN (4x3)	0.46 V	67 dB	19.5 V	16-WFDFN Exposed Pad
Analog Devices LT3029EMSE#TRPBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-40 °C	Positive	2	500 mA	16-MSOP-EP	0.46 V	67 dB	19.5 V	16-TFSOP Exposed Pad	0.118 in 3 mm
Analog Devices LT3029HDE	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount			Positive	2	500 mA	16-DFN (4x3)	0.46 V	67 dB	19.5 V	16-WFDFN Exposed Pad
Analog Devices LT3029HMSE	Over Current Over Temperature Reverse Current Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	150 °C	-40 °C	Positive	2	500 mA	16-MSOP-EP	0.46 V	67 dB	19.5 V	16-TFSOP Exposed Pad	0.118 in 3 mm	150 çA	16 mA
Analog Devices LT3029EDE	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-40 °C	Positive	2	500 mA	16-DFN (4x3)	0.46 V	67 dB	19.5 V	16-WFDFN Exposed Pad
Analog Devices LT3029IDE#PBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-40 °C	Positive	2	500 mA	16-DFN (4x3)	0.46 V	67 dB	19.5 V	16-WFDFN Exposed Pad
Analog Devices LT3029MPMSE#TRPBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-55 °C	Positive	2	500 mA	16-MSOP-EP	0.46 V	67 dB	19.5 V	16-TFSOP Exposed Pad	0.118 in 3 mm
Analog Devices LT3029EDE#PBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-40 °C	Positive	2	500 mA	16-DFN (4x3)	0.46 V	67 dB	19.5 V	16-WFDFN Exposed Pad
Analog Devices LT3029MPMSE#PBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount	125 °C	-55 °C	Positive	2	500 mA	16-MSOP-EP	0.46 V	67 dB	19.5 V	16-TFSOP Exposed Pad	0.118 in 3 mm
Analog Devices LT3029HMSE#PBF	Over Current Over Temperature Reverse Polarity	Enable	Adjustable	1.215 V	20 V	Surface Mount			Positive	2	500 mA	16-MSOP-EP	0.46 V	67 dB	19.5 V	16-TFSOP Exposed Pad	0.118 in 3 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 9.56
		10	$ 6.47
		91	$ 4.81
		182	$ 4.45
		273	$ 4.31

Description

General part information

LT3029 Series

The LT3029 is a dual, micropower, low noise, low dropout linear regulator. The device operates either with a common input supply or independent input supplies for each channel, over an input voltage range of 1.8V to 20V. Each output supplies up to 500mA of output current with a typical dropout voltage of 300mV. Quiescent current is well controlled in dropout. With an external 10nF bypass capacitor, output noise is only 20μVRMSover a 10Hz to 100kHz bandwidth. Designed for use in battery-powered systems, the low 55μA quiescent current per channel makes it an ideal choice. In shutdown, quiescent current drops to less than 1μA. Shutdown control is independent for each channel, allowing for flexible power management.The LT3029 optimizes stability and transient response with low ESR ceramic output capacitors, requiring a minimum of only 3.3μF. The regulator does not require the addition of ESR, as is common with other regulators.Internal circuitry provides reverse-battery protection, reverse-current protection, current limiting with foldback and thermal shutdown. The device is available as an adjustable output voltage device with a 1.215V reference voltage. The LT3029 is offered in the thermally enhanced 16-lead MSOP and 16-lead, low profile (4mm × 3mm × 0.75mm) DFN packages.ApplicationsGeneral Purpose Linear RegulatorBattery-Powered SystemsMicroprocessor Core/Logic SuppliesPost Regulator for Switching SuppliesTracking/Sequencing Power Supplies