Specification	LTC1844ES5-2.8#TRMPBF

Control Features	Enable
Current - Output	150 mA
Current - Quiescent (Iq)	80 µA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Package / Case	SOT-23-5 Thin, TSOT-23-5
Protection Features	Over Current, Reverse Polarity, Short Circuit, Over Temperature
PSRR	50 dB
Supplier Device Package	TSOT-23-5
Voltage - Input (Max) [Max]	6.5 V
Voltage - Output (Min/Fixed)	2.8 V
Voltage Dropout (Max)	0.165 V

LTC1844 Series

Part	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Number of Regulators	Voltage Dropout (Max)	Voltage - Output (Min/Fixed)	Supplier Device Package	Output Configuration	Package / Case	Current - Output	Protection Features	PSRR	Current - Quiescent (Iq)	Voltage - Input (Max) [Max]	Control Features	Voltage Dropout (Max) [Max]	Voltage - Input [Min]	Voltage - Input [Max]	Contents	Voltage - Output	Utilized IC / Part	Channels per IC	Regulator Type	Output Type
Analog Devices Inc./Maxim Integrated LTC1844ES5-2.8#TRMPBF	Surface Mount	125 °C	-40 C	1	0.165 V	2.8 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable
Analog Devices Inc./Maxim Integrated LTC1844ES5-3.3#TRPBF	Surface Mount	125 °C	-40 C	1		3.3 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable	0.15 V
Analog Devices Inc./Maxim Integrated LTC1844ES5-1.8#TRPBF	Surface Mount	125 °C	-40 C	1	0.3 V	1.8 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable
Analog Devices Inc./Maxim Integrated LTC1844ES5-3.3#TRMPBF	Surface Mount	125 °C	-40 C	1		3.3 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable	0.15 V
Analog Devices Inc./Maxim Integrated DC660A										150 mA							1.8 V	6.5 V	Board(s)	1.5 V 1.8 V 2.5 V 2.8 V 3.3 V	LTC1844	1	Positive Adjustable
Analog Devices Inc./Maxim Integrated LTC1844ES5-2.5#TRMPBF	Surface Mount	125 °C	-40 C	1		2.5 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable	0.2 V
Analog Devices Inc./Maxim Integrated LTC1844ES5-2.8#TRPBF	Surface Mount	125 °C	-40 C	1	0.165 V	2.8 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable
Analog Devices Inc./Maxim Integrated LTC1844ES5-BYP#TRPBF	Surface Mount	125 °C	-40 C	1		1.25 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable	0.2 V								Adjustable
Analog Devices Inc./Maxim Integrated LTC1844ES5-1.5#TRM	Surface Mount	125 °C	-40 C	1			TSOT-23-5		SOT-23-5 Thin TSOT-23-5	150 mA
Analog Devices Inc./Maxim Integrated LTC1844ES5-SD#TRPBF	Surface Mount	125 °C	-40 C	1		1.25 V	TSOT-23-5	Positive	SOT-23-5 Thin TSOT-23-5	150 mA	Over Current Over Temperature Reverse Polarity Short Circuit	50 dB	80 µA	6.5 V	Enable	0.2 V								Adjustable

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	N/A	1659	$ 5.39	1m+

Description

General part information

LTC1844 Series

The LTC1844 Series are low noise VLDO™(very low dropout) linear regulators designed for low power/portable applications. These regulators can operate from input voltages as low as 1.6V. Typical output noise is only 30µVRMSand typical dropout for the LTC1844-3.3 is just 90mV at the maximum load current of 150mA, reducing to 30mV at 50mA.The internal P-channel MOSFET pass transistor requires no base current, allowing the device to draw only 35µA during normal operation, independent of the dropout voltage and load current. The quiescent current falls to a negligible 10nA during shutdown.Other features include high output voltage accuracy, excellent transient response, stability with ultralow ESR ceramic capacitors as small as 1µF, reverse-battery and reverse-current protection, short-circuit and thermal overload protection and output current limiting.The LTC1844 regulators are available in a low profile (1mm) SOT-23 (ThinSOT™) package.ApplicationsPortable Instruments and Battery-Powered SystemsBluetooth/802.11 CardsCellular PhonesPDAs and Notebook Computers

Documents

Technical documentation and resources

R421 Reliability Data

Reliability Data

LTC1844ES5-2.8#TRMPBF | Datasheet

Datasheet