LT3045EDD#PBF

Name: LT3045EDD#PBF
Rating: 4.5 (10 reviews)

Ultralow Noise LDO Voltage Regulators with Ultrahigh PSRR

3,610 Effective Inventory

LT3045EDD#PBF

Effective Inventory3,610

Ultralow Noise LDO Voltage Regulators with Ultrahigh PSRR

Manufacturer Part # : LT3045EDD#PBF
Package/Case: DFN-10
Brand: Analog Devices
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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Service & Packaging

About After Sales Service

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Initiate the application within 90 days from the shipment date.

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LT3045EDD#PBF DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$5.657	$5.66
10	$5.118	$51.18
30	$4.329	$129.87
121	$3.995	$483.40

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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Please submit RFQ for LT3045EDD#PBF or email to us: Email: [email protected], we will contact you in 12 hours.

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Details

The LT3045EDD#PBF, manufactured by Linear Technology, is a top-tier linear regulator that outshines the competition with its remarkable performance. With an impressive input voltage range of 1.8V to 45V, this regulator is truly versatile, catering to a wide array of applications. Thanks to its low dropout voltage of only 340mV at 500mA load current, the LT3045EDD#PBF guarantees efficient power delivery, even in scenarios where the input voltage closely matches the output voltage

Key Features

The regulator features ultra-low noise performance
A dropout voltage of only 340mV at 500mA ensures low power consumption
Wide input range from 1.8V to 45V with a quiescent current of 1.5mA

Application

For high-end audio
Precision is key
Control with power

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	LDO Voltage Regulators	RoHS	Details
Mounting Style	SMD/SMT	Package / Case	DFN-10
Output Voltage	0 V to 15 V	Output Current !	500 mA
Number of Outputs	1 Output	Polarity	Positive
Quiescent Current !	2.2 mA	Input Voltage, Min	1.8 V
Input Voltage, Max	20 V	PSRR / Ripple Rejection - Typ	76 dB
Output Type	Adjustable	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 125 C	Dropout Voltage !	260 mV
Series	LT3045	Brand	Analog Devices
Development Kit	DC2491A	Dropout Voltage - Max	350 mV
Line Regulation !	0.5 uV/V	Load Regulation !	0.1 mV
Operating Supply Current	2.4 mA	Output Voltage Range !	0 V to 15 V
Product	Linear Regulators	Product Type !	LDO Voltage Regulators
Factory Pack Quantity	121	Subcategory	PMIC - Power Management ICs
Type	Ultra Low Noise Linear Regulator	Voltage Regulation Accuracy	1 %
Unit Weight	0.004550 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LT3045EDD#PBF PDF Download

FAQs

What is LT3045EDD#PBF?

The LT3045EDD#PBF is a low dropout (LDO) linear voltage regulator manufactured by Analog Devices. It is designed to provide a stable and low-noise output voltage, making it suitable for powering sensitive analog circuits, precision measurement instruments, and high-performance audio applications.

How Does LT3045EDD#PBF Work?

The LT3045EDD#PBF operates by regulating the input voltage to a precise and stable output voltage while minimizing output noise. It employs a low dropout architecture to ensure reliable regulation even when the input voltage is close to the desired output voltage. The regulator's internal circuitry is designed to maintain high ripple rejection and low output noise, providing clean power for critical applications.

How Many Pins does LT3045EDD#PBF have and What are the Functions of the Pinout Configuration?

The LT3045EDD#PBF is housed in a 8-lead DFN (Dual Flat No-Lead) package. The pinout configuration includes:

VIN: Input voltage pin.
VOUT: Regulated output voltage pin.
GND: Ground pin.
FLT: Fault indicator output pin.
SHDN: Shutdown control pin.
SENSE: Sensing pin for remote voltage sensing.
TRIM: Pin for external adjustment of the output voltage.
ADJ: Pin to connect an external capacitor for adjusting the transient response.

What are the Pros and Cons of LT3045EDD#PBF?

Pros:

Low Dropout Voltage: Maintains regulation even with a small difference between input and output voltages.
Low Output Noise: Provides clean and stable power for noise-sensitive applications.
High Ripple Rejection: Filters out input voltage ripple for improved output signal integrity.
Compact Package: The DFN package offers space-efficient integration into compact designs.
Remote Voltage Sensing: Supports remote sensing for precise voltage regulation at load terminals.

Cons:

Cost: Higher cost compared to standard linear voltage regulators due to its precision and performance.
External Components: May require additional external components for optimal noise performance and transient response.
Thermal Consideration: Requires careful thermal management due to its low dropout architecture and high accuracy.

Are There Any Equivalents/Alternatives to LT3045EDD#PBF for Recommendation?

The LT1763 from Analog Devices is a similar low dropout linear regulator with different package options.
Alternatives to the LT3045EDD#PBF include the TPS7A47 from Texas Instruments and the MAX16052 from Maxim Integrated.

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LT3045EDD#PBF

LT3045EDD#PBF

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