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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3845AD8TR
UC3845AD8TR Image
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See specifications for product details.

UC3845AD8TR - Texas Instruments

Manufacturer Part Number
UC3845AD8TR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3845AD8TR
ECAD Model
Parts Description
IC REG CTRLR MULT TOPOLOGY 8SOIC
Detailed Description
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
UC184xA, 284xA, 384xA Series.pdf
RoHs Status
ROHS3 Compliant
In stock: 92190

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Quantity

Specifications

UC3845AD8TR Tech Specifications
Texas Instruments - UC3845AD8TR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3845AD8TR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V  
Topology Boost, Buck, Flyback, Forward  
Synchronous Rectifier No  
Supplier Device Package 8-SOIC  
Series -  
Serial Interfaces -  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive, Isolation Capable  
Operating Temperature 0°C ~ 70°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Down, Step-Up/Step-Down  
Frequency - Switching Up to 500kHz  
Duty Cycle (Max) 48%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC3845  

Parts Introduction

Manufacturer Part Number

UC3845AD8TR

Manufacturer

Texas Instruments

Introduction

UC3845AD8TR is a PWM (Pulse Width Modulation) controller integrated circuit designed for power supply control.

Product Features and Performance

Pulse Width Modulation control

Wide input voltage range: -0.3V to 6.3V

Operating supply voltage: 7.6V to 30V

Low supply current: 11 mA

Suitable for surface mount technology

Operating temperature range from 0°C to 70°C

Product Advantages

Efficient power management

High integration reduces external components

Reliable performance in a wide range of environmental conditions

Key Technical Parameters

Voltage Input: -0.3V ~ 6.3V

Voltage Supply: 7.6V ~ 30V

Current Supply: 11 mA

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Quality and Safety Features

Robust thermal management

Over-temperature protection

Built according to high safety and quality standards of Texas Instruments

Compatibility

Compatible with various external devices and circuits requiring PWM control

Easily integrates into existing power management systems

Application Areas

Power supply controllers

Power management for consumer electronics

Industrial power systems

Product Lifecycle

Status: Active

Not nearing discontinuation

Ongoing support and availability of replacements

Several Key Reasons to Choose This Product

Accurate and efficient PWM control suitable for a wide range of applications

Reliable operations under diverse environmental conditions

Low supply current enhances energy efficiency

Supported by Texas Instruments' strong technical support and product longevity

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3845AD8TR

Product Attribute UC3845AD8TR UC3844N UC3844N UC3845AD8
Part Number UC3845AD8TR UC3844N UC3844N UC3845AD8
Manufacturer Texas Instruments onsemi Texas Instruments Texas Instruments
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Topology Boost, Buck, Flyback, Forward Boost, Flyback Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Flyback, Forward
Serial Interfaces - - - -
Clock Sync No No No No
Duty Cycle (Max) 48% 48% 48% 48%
Supplier Device Package 8-SOIC 8-PDIP 8-PDIP 8-SOIC
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Synchronous Rectifier No No No No
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-DIP (0.300", 7.62mm) 8-DIP (0.300', 7.62mm) 8-SOIC (0.154", 3.90mm Width)
Base Product Number UC3845 UC3844 UC3844 UC3845
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 10V ~ 30V 12V ~ 28V 7.6V ~ 30V
Number of Outputs 1 1 1 1
Mounting Type Surface Mount Through Hole Through Hole Surface Mount
Package Tape & Reel (TR) Tube Tube Tube
Output Phases 1 1 1 1
Series - - - -
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Control Features Frequency Control Frequency Control Frequency Control Frequency Control

UC3845AD8TR Datasheet PDF

Download UC3845AD8TR pdf datasheets and Texas Instruments documentation for UC3845AD8TR - Texas Instruments.

PCN Design/Specification
Mult Devices Font 21/Apr/2018.pdf UCYYY 13/DEC/2017.pdf
HTML Datasheet
UC184xA, 284xA, 384xA Series.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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UC3845AD8TR Image

UC3845AD8TR

Texas Instruments
32D-UC3845AD8TR

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