DC660A

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Analog Devices

LTC1844ES5 LINEAR REGULATOR 1.5V OUTPUT DEMONSTRATION CIRCUIT

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DC660A

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Analog Devices

LTC1844ES5 LINEAR REGULATOR 1.5V OUTPUT DEMONSTRATION CIRCUIT

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DocumentsDatasheet LTC1844 Datasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	DC660A

Channels per IC	1 - Single
Contents	Board(s)
Current - Output	150 mA
Regulator Type	Positive Adjustable
Utilized IC / Part	LTC1844
Voltage - Input [Max]	6.5 V
Voltage - Input [Min]	1.8 V
Voltage - Output	2.8 V, 2.5 V, 1.8 V, 1.5 V, 3.3 V

LTC1844 Series

150mA, Micropower, Low Noise, VLDO Linear Regulator

Part	Current - Output	Utilized IC / Part	Channels per IC	Voltage - Output	Contents	Regulator Type	Voltage - Input [Max]	Voltage - Input [Min]	Protection Features	Current - Quiescent (Iq)	Voltage - Output (Min/Fixed)	Operating Temperature [Max]	Operating Temperature [Min]	Number of Regulators	Control Features	Voltage Dropout (Max) [Max]	Package / Case	Output Type	Voltage - Input (Max) [Max]	Mounting Type	Output Configuration	PSRR	Output Type
Analog Devices DC660A	150 mA	LTC1844	1 - Single	1.5 V 1.8 V 2.5 V 2.8 V 3.3 V	Board(s)	Positive Adjustable	6.5 V	1.8 V
Analog Devices LTC1844ES5-2.8#TRPBF	150 mA								Over Current Over Temperature Reverse Polarity Short Circuit	80 µA	2.8 V	125 °C	-40 °C	1	Enable	0.165 V	SOT-23-5 Thin TSOT-23-5	1.81 mOhm	6.5 V	Surface Mount	Positive	50 dB
Analog Devices LTC1844ES5-BYP#TRPBF	150 mA								Over Current Over Temperature Reverse Polarity Short Circuit	80 µA	1.25 V	125 °C	-40 °C	1	Enable	0.2 V	SOT-23-5 Thin TSOT-23-5		6.5 V	Surface Mount	Positive	50 dB	Adjustable
Analog Devices LTC1844ES5-SD#TRPBF	150 mA								Over Current Over Temperature Reverse Polarity Short Circuit	80 µA	1.25 V	125 °C	-40 °C	1	Enable	0.2 V	SOT-23-5 Thin TSOT-23-5		6.5 V	Surface Mount	Positive	50 dB	Adjustable
Analog Devices LTC1844ES5-SD#TRMPBF	150 mA								Over Current Over Temperature Reverse Polarity Short Circuit	80 µA	1.25 V	125 °C	-40 °C	1	Enable	0.2 V	SOT-23-5 Thin TSOT-23-5		6.5 V	Surface Mount	Positive	50 dB	Adjustable
Analog Devices LTC1844ES5-BYP#TRMPBF	150 mA								Over Current Over Temperature Reverse Polarity Short Circuit	80 µA	1.25 V	125 °C	-40 °C	1	Enable	0.2 V	SOT-23-5 Thin TSOT-23-5		6.5 V	Surface Mount	Positive	50 dB	Adjustable

Pricing

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

Distributor	Package	Quantity	$

Arrow	N/A	1	$ 92.04
Digikey	Box	1	$ 97.83

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