LT3050EDDB-5#TRPBF

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Analog Devices

100MA, LINEAR REGULATOR WITH PRECISION CURRENT LIMIT AND DIAGNOSTIC OUTPUTS

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LT3050EDDB-5#TRPBF

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Analog Devices

100MA, LINEAR REGULATOR WITH PRECISION CURRENT LIMIT AND DIAGNOSTIC OUTPUTS

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Technical Specifications

Parameters and characteristics for this part

Specification	LT3050EDDB-5#TRPBF

Control Features	Current Limit, Soft Start, Enable
Current - Output	100 mA
Current - Quiescent (Iq)	90 çA
Current - Supply (Max) [Max]	5.2 mA
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	12-WFDFN Exposed Pad
Protection Features	Over Temperature, Reverse Polarity, Over Current
PSRR	66 dB
Supplier Device Package	12-DFN (3x2)
Voltage - Input (Max) [Max]	45 V
Voltage - Output (Min/Fixed)	5 V
Voltage Dropout (Max) [Max]	0.55 V

LT3050 Series

Part	Voltage - Output (Min/Fixed)	Current - Supply (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Protection Features	Current - Quiescent (Iq)	Package / Case	Output Configuration	Number of Regulators	Supplier Device Package	Voltage Dropout (Max) [Max]	Output Type	Current - Output	PSRR	Mounting Type	Control Features	Voltage - Input (Max) [Max]	Package / Case	Voltage - Output (Max) [Max]	Output Type
Analog Devices LT3050EDDB-5#TRPBF	5 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-WFDFN Exposed Pad	Positive	1	12-DFN (3x2)	0.55 V	1.81 mOhm	100 mA	66 dB	Surface Mount	Current Limit Enable Soft Start	45 V
Analog Devices LT3050EDDB-3.3#TRPBF	3.3 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-WFDFN Exposed Pad	Positive	1	12-DFN (3x2)	0.55 V	1.81 mOhm	100 mA	70 dB	Surface Mount	Current Limit Enable Soft Start	45 V
Analog Devices LT3050MPMSE-5#PBF	5 V	5.2 mA	125 °C	-55 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-TSSOP Exposed Pad	Positive	1	12-MSOP-EP	0.55 V	1.81 mOhm	100 mA	66 dB	Surface Mount	Current Limit Enable Soft Start	45 V	0.118 in 3 mm
Analog Devices LT3050IMSE-3.3#TRPBF	3.3 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-TSSOP Exposed Pad	Positive	1	12-MSOP-EP	0.55 V	1.81 mOhm	100 mA	70 dB	Surface Mount	Current Limit Enable Soft Start	45 V	0.118 in 3 mm
Analog Devices LT3050EMSE-3.3#PBF	3.3 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-TSSOP Exposed Pad	Positive	1	12-MSOP-EP	0.55 V	1.81 mOhm	100 mA	70 dB	Surface Mount	Current Limit Enable Soft Start	45 V	0.118 in 3 mm
Analog Devices LT3050IDDB-3.3	3.3 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-WFDFN Exposed Pad	Positive	1	12-DFN (3x2)	0.55 V	1.81 mOhm	100 mA	70 dB	Surface Mount	Current Limit Enable Soft Start	45 V
Analog Devices LT3050MPMSE	0.6 V	5.2 mA	125 ¯C	-55 °C	Over Current Over Temperature Reverse Current Reverse Polarity	90 çA	12-TSSOP Exposed Pad	Positive	1	12-MSOP-EP	0.55 V		100 mA	85 dB	Surface Mount	Enable Soft Start	45 V	0.118 in 3 mm	44.5 V	Adjustable
Analog Devices LT3050MPMSE-3.3#PBF	3.3 V	5.2 mA	125 °C	-55 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-TSSOP Exposed Pad	Positive	1	12-MSOP-EP	0.55 V	1.81 mOhm	100 mA	70 dB	Surface Mount	Current Limit Enable Soft Start	45 V	0.118 in 3 mm
Analog Devices LT3050IDDB	0.6 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-WFDFN Exposed Pad	Positive	1	12-DFN (3x2)	0.55 V		100 mA	85 dB	Surface Mount	Current Limit Enable Soft Start	45 V		44.5 V	Adjustable
Analog Devices LT3050EDDB	0.6 V	5.2 mA	125 °C	-40 °C	Over Current Over Temperature Reverse Polarity	90 çA	12-WFDFN Exposed Pad	Positive	1	12-DFN (3x2)	0.55 V		100 mA	85 dB	Surface Mount	Current Limit Enable Soft Start	45 V		44.5 V	Adjustable

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 2.38

Description

General part information

LT3050 Series

The LT3050 series are micro-power, low noise, low dropout voltage (LDO) linear regulators. The devices supply 100mA of output current with a dropout voltage of 340mV. A 10nF bypass capacitor reduces output noise to 30μVRMSin a 10Hz to 100kHz bandwidth and soft-starts the reference. The LT3050’s ±45V input voltage rating combined with its precision current limit and diagnostic functions make the IC an ideal choice for robust, high reliability applications.A single resistor programs the LT3050’s current limit, accurate to ±5% over a wide input voltage and temperature range. A single resistor programs the LT3050’s minimum output current monitor, useful for detecting open-circuit conditions. The current monitor function sources a current equal to 1/100th of output current. A logicFAULTpin asserts low if the LT3050 is in current limit, operating below its minimum output current (open-circuit) or is in thermal shutdown.The LT3050 optimizes stability and transient response with low ESR ceramic capacitors, requiring a minimum of 2.2μF. The LT3050 is available in fixed output voltages of 3.3V and 5V, and as an adjustable version with an output voltage range down to the 0.6V reference.The LT3050 is available in the thermally-enhanced 12-Lead 3mm × 2mm DFN and MSOP packages.ApplicationsProtected Antenna SuppliesAutomotive TelematicsIndustrial Applications (Trucks, Forklifts, etc.)High Reliability Applications

LT3050EDDB-5#TRPBF

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LT3050EDDB-5#TRPBF

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Technical Specifications

LT3050 Series

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LT3050 Series

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LT3050 Series