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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLT1172CS8#PBF
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LT1172CS8#PBF - Analog Devices Inc.

Manufacturer Part Number
LT1172CS8#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT1172CS8#PBF
ECAD Model
Parts Description
IC REG MULTI CONFG ADJ 8SOIC
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
LTpowerCAD II User Guide.pdf
TO-220-5 Flow 30 Pkg Drawing.pdf
LT1170-72 Datasheet.pdf
TO-220-5 Flow 31 Pkg Drawing.pdf
TO-220-5(Straight) Flow 06 Pkg Drawing.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 4872

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Specifications

LT1172CS8#PBF Tech Specifications
Analog Devices Inc. - LT1172CS8#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT1172CS8#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Output (Min/Fixed) 1.244V  
Voltage - Output (Max) 65V (Switch)  
Voltage - Input (Min) 3V  
Voltage - Input (Max) 40V  
Topology Buck, Boost, Cuk, Flyback, Forward Converter  
Synchronous Rectifier No  
Supplier Device Package 8-SO  
Series -  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Product Attribute Attribute Value  
Package Tube  
Output Type Adjustable  
Output Configuration Positive or Negative  
Operating Temperature 0°C ~ 100°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Down, Step-Up/Step-Down  
Frequency - Switching 100kHz  
Current - Output 1.25A (Switch)  
Base Product Number LT1172  

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

LT1172CS8#PBF

Manufacturer

Analog Devices

Introduction

The LT1172CS8#PBF is a versatile power management IC designed for DC-DC voltage regulation with multiple topology options.

Product Features and Performance

Highly flexible with step-up, step-down, and step-up/step-down functionality

Supports multiple topologies: Buck, Boost, Cuk, Flyback, Forward Converter

Adjustable output voltage for customized applications

Single-output design simplifies circuit configuration

Product Advantages

Versatile voltage input range from 3V to 40V

Can deliver an output voltage as high as 65V

Capable of driving a switch current of up to 1.25A

100kHz switching frequency allows for a balance between efficiency and component size

Key Technical Parameters

Output Type: Adjustable

Number of Outputs: 1

Voltage - Input Min: 3V

Voltage - Input Max: 40V

Voltage - Output Min/Fixed: 1.244V

Voltage - Output Max: 65V (Switch)

Current - Output: 1.25A (Switch)

Frequency - Switching: 100kHz

Operating Temperature: 0°C ~ 100°C (TJ)

Quality and Safety Features

Operates within industrial temperature ranges for enhanced reliability

Packaged in a durable 8-SOIC format

Compatibility

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Supplier Device Package: 8-SO

Application Areas

Ideal for portable devices, medical equipment, industrial controls, and telecommunication systems

Product Lifecycle

Active product status indicates current production

Not listed as nearing discontinuation; replacements or upgrades should be readily available

Several Key Reasons to Choose This Product

Flexible power solution suitable for a broad range of input and output voltages

Supports complex power supply designs with multiple conversion topologies

High current output capability up to 1.25A for power-intensive applications

Adjustable switching frequency for design optimization

Operating temperature range 0°C to 100°C accommodates various operating environments

Produced by Analog Devices, a reputable manufacturer in power management technology

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT1172CS8#PBF

Product Attribute LT1172CS8#PBF LT1172HVCQ#TRPBF LT1172CQ#TRPBF LT1172CQ#PBF
Part Number LT1172CS8#PBF LT1172HVCQ#TRPBF LT1172CQ#TRPBF LT1172CQ#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Package / Case 8-SOIC (0.154', 3.90mm Width) TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Frequency - Switching 100kHz 100kHz 100kHz 100kHz
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Output (Min/Fixed) 1.244V 1.244V 1.244V 1.244V
Series - - - -
Operating Temperature 0°C ~ 100°C (TJ) 0°C ~ 100°C (TJ) 0°C ~ 100°C (TJ) 0°C ~ 100°C (TJ)
Output Type Adjustable Adjustable Adjustable Adjustable
Supplier Device Package 8-SO 5-DDPAK 5-DDPAK 5-DDPAK
Base Product Number LT1172 LT1172 LT1172 LT1172
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tube
Voltage - Input (Min) 3V 3V 3V 3V
Synchronous Rectifier No No No No
Voltage - Output (Max) 65V (Switch) 75V (Switch) 65V (Switch) 65V (Switch)
Number of Outputs 1 1 1 1
Output Configuration Positive or Negative Positive or Negative Positive or Negative Positive or Negative
Topology Buck, Boost, Cuk, Flyback, Forward Converter Buck, Boost, Cuk, Flyback, Forward Converter Buck, Boost, Cuk, Flyback, Forward Converter Buck, Boost, Cuk, Flyback, Forward Converter
Current - Output 1.25A (Switch) 1.25A (Switch) 1.25A (Switch) 1.25A (Switch)
Voltage - Input (Max) 40V 60V 40V 40V
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down

LT1172CS8#PBF Datasheet PDF

Download LT1172CS8#PBF pdf datasheets and Analog Devices Inc. documentation for LT1172CS8#PBF - Analog Devices Inc..

Datasheets
LTpowerCAD II User Guide.pdf TO-220-5 Flow 30 Pkg Drawing.pdf
PCN Design/Specification
Mult Dev Mark Chg 5/Jul/2021.pdf Mult Dev 14/Nov/2022.pdf
HTML Datasheet
LT1170-72 Datasheet.pdf TO-220-5 Flow 31 Pkg Drawing.pdf TO-220-5(Straight) Flow 06 Pkg Drawing.pdf
Environmental Information
Material Declaration LT1172CS8#PBF.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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LT1172CS8#PBF Image

LT1172CS8#PBF

Analog Devices Inc.
32D-LT1172CS8#PBF

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