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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLT1777IS#TRPBF
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LT1777IS#TRPBF - Analog Devices Inc.

Manufacturer Part Number
LT1777IS#TRPBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT1777IS#TRPBF
ECAD Model
Parts Description
IC REG BUCK ADJ 550MA 16SOIC
Package
16-SOIC (0.154", 3.90mm Width)
Data sheet
LT1777 Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 4983

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Specifications

LT1777IS#TRPBF Tech Specifications
Analog Devices Inc. - LT1777IS#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT1777IS#TRPBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Output (Min/Fixed) 1.24V  
Voltage - Output (Max) 30V  
Voltage - Input (Min) 7.4V  
Voltage - Input (Max) 48V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 16-SO  
Series -  
Package / Case 16-SOIC (0.154", 3.90mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 100kHz  
Current - Output 550mA (Switch)  
Base Product Number LT1777  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LT1777IS#TRPBF

Manufacturer

Analog Devices

Introduction

The LT1777IS#TRPBF is a versatile step-down switching regulator designed for managing power within electronic systems, suitable for applications requiring efficiency and reliability.

Product Features and Performance

Adjustable output voltage ranging from 1.24V to 30V

Supports input voltage from 7.4V up to 48V

Delivers up to 550mA output current

Operates at a switching frequency of 100kHz

Step-down (Buck) topology

Single output configuration

Product Advantages

High flexibility with adjustable output voltage

Suitable for a wide range of input voltages

Compact surface mount package facilitates efficient use of PCB space

Key Technical Parameters

Min Input Voltage: 7.4V

Max Input Voltage: 48V

Min Output Voltage: 1.24V

Max Output Voltage: 30V

Output Current: 550mA (Switch)

Switching Frequency: 100kHz

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Designed for robust operation in temperatures ranging from -40°C to 125°C

Compatibility

Housed in a 16-SOIC package compatible with standard surface mount technology

Application Areas

Industrial electronics

Telecommunication systems

Automotive electronics

Portable devices

Product Lifecycle

Currently in active production

Not nearing discontinuation and replacements or upgrades readily available

Several Key Reasons to Choose This Product

Wide input and output voltage range accommodates various source and load conditions

Reliable operation across a broad temperature range ensures performance in challenging environments

High efficiency step-down regulation optimizes power usage

Compact and versatile design simplifies integration into diverse electronic systems

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT1777IS#TRPBF

Product Attribute LT1777IS#TRPBF LT1777CS#PBF LT1776CS8#TRPBF LT1776IS8#PBF
Part Number LT1777IS#TRPBF LT1777CS#PBF LT1776CS8#TRPBF LT1776IS8#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Package Tape & Reel (TR) Tube Tape & Reel (TR) Tube
Function Step-Down Step-Down Step-Down Step-Down
Topology Buck Buck Buck Buck
Voltage - Output (Max) 30V 30V 34V 34V
Output Configuration Positive Positive Positive Positive
Base Product Number LT1777 LT1777 LT1776 LT1776
Frequency - Switching 100kHz 100kHz 200kHz 200kHz
Number of Outputs 1 1 1 1
Voltage - Input (Min) 7.4V 7.4V 7.4V 7.4V
Voltage - Output (Min/Fixed) 1.24V 1.24V 1.24V 1.24V
Current - Output 550mA (Switch) 550mA (Switch) 550mA (Switch) 550mA (Switch)
Voltage - Input (Max) 48V 48V 40V 40V
Output Type Adjustable Adjustable Adjustable Adjustable
Operating Temperature -40°C ~ 125°C (TJ) 0°C ~ 125°C (TJ) 0°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width)
Supplier Device Package 16-SO 16-SO 8-SO 8-SO
Series - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Synchronous Rectifier No No No No

LT1777IS#TRPBF Datasheet PDF

Download LT1777IS#TRPBF pdf datasheets and Analog Devices Inc. documentation for LT1777IS#TRPBF - Analog Devices Inc..

Datasheets
LT1777 Datasheet.pdf
Other Related Documents
Tape and Reel Packaging.pdf
PCN Design/Specification
Multiple Parts 06/Aug/2022.pdf
Environmental Information
Material Declaration LT1777IS#TRPBF.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LT1777IS#TRPBF

Analog Devices Inc.
32D-LT1777IS#TRPBF

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