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LR645LG-G IC REG LINEAR POS ADJ 3MA 8SOIC Microchip Technology

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LR645LG-G IC REG LINEAR POS ADJ 3MA 8SOIC Microchip Technology

Name: LR645LGG IC REG LINEAR POS ADJ 3MA 8SOIC Microchip Technology
Brand: Microchip Technology
Price: 1 USD

Brand Name : Microchip Technology

Model Number : LR645LG-G

MOQ : 1

Price : Based on current price

Payment Terms : T/T

Supply Ability : In stock

Delivery Time : 3-5 work days

Packaging Details : anti-static bag & cardboard box

Output Configuration : Positive

Output Type : Adjustable

Number of Regulators : 1

Voltage - Input (Max) : 450V

Voltage - Output (Min/Fixed) : 8V

Voltage - Output (Max) : 12V

Voltage Dropout (Max) : -

Current - Output : 3mA

Current - Quiescent (Iq) : 150 µA

Current - Supply (Max) : -

PSRR : 60dB (120Hz)

Control Features : -

Protection Features : -

Operating Temperature : -55°C ~ 155°C

Mounting Type : Surface Mount

Package / Case : 8-SOIC (0.154", 3.90mm Width)

Supplier Device Package : 8-SOIC

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Product Details

General Description

The Supertex LR645 is a high input voltage, low output current linear regulator. It has a 3-terminal fi xed output voltage version available in TO-92, TO-220 and SOT-89 packages, as well as an adjustable voltage version available in an 8- lead SOIC package. The 3-terminal version functions like any other low voltage 3-terminal regulator except it allows the use of much higher input voltages. When used in a SMPS startup circuit, it eliminates the need for large power resistors. In this application, current is drawn from the high voltage line only during start-up. Only leakage current fl ows after start-up, thereby reducing the continuous power dissipation to a few milliwatts.

Features

► Accepts inputs from 15V to 450V
► Output currents up to 3.0mA continuous, 30mA peak
► Supply current typically 50µA
► Line regulation typically 0.1mV/V
► Output can be trimmed from 8.0V to 12V
► Output current can be increased to 150mA with external FET

Applications

► Off-line SMPS startup circuits (pulse loads)
► Low power off-line regulators
► Regulators for noisy inputs

Specifications

Attribute	Attribute Value
Manufacturer	Microchip Technology
Product Category	Linear Voltage Regulators
Series	-
Packaging	Alternate Packaging
Unit-Weight	0.019048 oz
Mounting-Style	SMD/SMT
Package-Case	8-SOIC (0.154", 3.90mm Width)
Operating-Temperature	-55°C ~ 155°C
Mounting-Type	Surface Mount
Output-Type	Adjustable
Supplier-Device-Package	8-SOIC
Voltage-Input	15 V ~ 450 V
Number-of-Outputs	1 Output
Current-Output	3mA
Voltage-Output	8 V ~ 12 V
Regulator-Topology	Positive Adjustable
Voltage-Dropout-Typical	-
Number-of-Regulators	1 Regulator
Current-Limit-Min	30mA
Pd-Power-Dissipation	310 mW
Maximum Operating Temperature	+ 150 C
Operating temperature range	- 55 C
Polarity	Positive
Output-Voltage	1.7 V
Input-Voltage-MAX	450 V
Output-Current	30 mA
Input-Voltage-MIN	15 V
Load-Regulation	400 mV
Package-Case	SOIC-8
Line-Regulation	200 mV

Descriptions

Linear Voltage Regulator IC Positive Adjustable 1 Output 8 V ~ 12 V 3mA 8-SOIC

Standard Regulator Pos 8V to 12V 0.03A 8-Pin SOIC N T/R

Linear Voltage Regulators Fixed/Adj Hi In V

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