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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3845AD8
UC3845AD8 Image
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See specifications for product details.

UC3845AD8 - Texas Instruments

Manufacturer Part Number
UC3845AD8
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3845AD8
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: 57060

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Quantity

Specifications

UC3845AD8 Tech Specifications
Texas Instruments - UC3845AD8 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3845AD8

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 Tube  
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

UC3845AD8

Manufacturer

Texas Instruments

Introduction

The UC3845AD8 is a high-performance PWM controller from Texas Instruments, designed for power management applications.

Product Features and Performance

Integrated Pulse Width Modulation (PWM) controller

Improved versions of the standard UC384x series

Optimized for high performance and reliability in power supply applications

Enhanced feature set includes under-voltage lockout, a leading-edge blanking of the current sensing, and a programmable slope compensation

Provides low startup and operating current

Product Advantages

High-efficiency control for power supply design

Flexible operation modes for a broad range of applications

Low power consumption enhances system reliability

Provides accurate and stable PWM signals

Key Technical Parameters

Voltage Input: -0.3V ~ 6.3V

Voltage Supply: 7.6V ~ 30V

Current Supply: 11 mA

Operating Temperature: 0°C ~ 70°C (TA)

Mounting Type: Surface Mount

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

Quality and Safety Features

Under-voltage lockout for system protection

Programmable slope compensation for stability

Leading-edge blanking of the current sensing

Compatibility

Compatible with a wide range of power supply designs and topologies

Application Areas

Power supplies for computers

SMPS (Switched Mode Power Supplies)

Power management for consumer electronics

Industrial power systems

Product Lifecycle

Last Time Buy status, indicating nearing discontinuation of the model

Replacement or upgrade options might be available from Texas Instruments’ newer product lines

Several Key Reasons to Choose This Product

High-performance PWM control enhances power supply efficiency

Flexible and reliable operation across a wide range of applications

Low system power consumption for enhanced reliability

Robust safety features protect the system under adverse conditions

Support from a reputable manufacturer like Texas Instruments

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3845AD8

Product Attribute UC3845AD8 UC3845BD UC3845AD UC3845ADTR
Part Number UC3845AD8 UC3845BD UC3845AD UC3845ADTR
Manufacturer Texas Instruments onsemi Microsemi Corporation Texas Instruments
Supplier Device Package 8-SOIC 14-SOIC 14-SOIC 14-SOIC
Number of Outputs 1 1 1 1
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Duty Cycle (Max) 48% 48% 48% 48%
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 7.6V ~ 30V 7.6V ~ 30V 7.6V ~ 30V
Package Tube Tube Tube Tape & Reel (TR)
Package / Case 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154', 3.90mm Width)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Series - - - -
Output Phases 1 1 1 1
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
Topology Boost, Buck, Flyback, Forward Boost, Flyback Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward
Synchronous Rectifier No No No No
Clock Sync No No No No
Serial Interfaces - - - -
Base Product Number UC3845 UC3845 UC3845 UC3845
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver

UC3845AD8 Datasheet PDF

Download UC3845AD8 pdf datasheets and Texas Instruments documentation for UC3845AD8 - 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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UC3845AD8 Image

UC3845AD8

Texas Instruments
32D-UC3845AD8

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