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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3845D8TR
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UC3845D8TR - Texas Instruments

Manufacturer Part Number
UC3845D8TR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3845D8TR
ECAD Model
Parts Description
IC REG CTRLR MULT TOPOLOGY 8SOIC
Detailed Description
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
UC1842-45, UC2842-45, UC3842-45.pdf
RoHs Status
ROHS3 Compliant
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Specifications

UC3845D8TR Tech Specifications
Texas Instruments - UC3845D8TR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3845D8TR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 12V ~ 28V  
Topology Boost, Buck, Buck-Boost, 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

UC3845D8TR

Manufacturer

Texas Instruments

Introduction

The UC3845D8TR is a high-performance Power Supply Controller designed for PWM (Pulse Width Modulation) control in power supply units.

Product Features and Performance

Integrated PWM controller for efficient power management

Wide input voltage range of -0.3V to 6.3V

Supply voltage from 12V to 28V supports various applications

Low current consumption at 11 mA ensures efficiency

Supports 0°C to 70°C operating temperature range for standard industrial applications

SOIC-8 package offers compact footprint for PCB design

Product Advantages

High efficiency voltage and power control

Robust thermal performance in a standard temperature range

Suitable for high-density power supply designs

Straightforward surface-mount integration

Affordable with good performance-to-cost ratio

Key Technical Parameters

Input Voltage: -0.3V to 6.3V

Supply Voltage: 12V to 28V

Current Supply: 11 mA

Operating Temperature: 0°C to 70°C

Output type: PWM

Quality and Safety Features

Standard industrial operating temperature range

Built-in protection features against abnormal operating conditions

Compatibility

Compatible with a wide range of power supply applications

Surface mount compatible with SOIC-8 package standard

Application Areas

Power supply units

DC-DC converters

Battery chargers

Switch Mode Power Supplies (SMPS)

Consumer electronics

Industrial controls

Product Lifecycle

Status: Active, not nearing discontinuation

Replacements or upgrades are typically available from Texas Instruments

Reasons to Choose This Product

Efficient power management for a variety of electronic devices

Robust design suitable for a wide range of products and applications

Cost-effective solution for PWM control

Availability of detailed technical documentation and support

Proven quality and reliability from Texas Instruments

Easily integrated into existing power management systems due to standard packaging and compatibility

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3845D8TR

Product Attribute UC3845D8TR UC3845D8TRG4 UC3845D8 UC3845BVN
Part Number UC3845D8TR UC3845D8TRG4 UC3845D8 UC3845BVN
Manufacturer Texas Instruments Texas Instruments Texas Instruments onsemi
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-Up/Step-Down
Number of Outputs 1 1 1 1
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tube
Clock Sync No No No No
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-PDIP
Output Phases 1 1 1 1
Base Product Number UC3845 UC3845 UC3845 UC3845
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback
Duty Cycle (Max) 48% 48% 48% 48%
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 105°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300', 7.62mm)
Serial Interfaces - - - -
Synchronous Rectifier No No No No
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Voltage - Supply (Vcc/Vdd) 12V ~ 28V 12V ~ 28V 12V ~ 28V 7.6V ~ 30V
Series - - - -

UC3845D8TR Datasheet PDF

Download UC3845D8TR pdf datasheets and Texas Instruments documentation for UC3845D8TR - Texas Instruments.

PCN Design/Specification
Mult Devices Font 21/Apr/2018.pdf US18/28/38 DataSheet Update 4/Jan/2017.pdf
HTML Datasheet
UC1842-45, UC2842-45, UC3842-45.pdf

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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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UC3845D8TR Image

UC3845D8TR

Texas Instruments
32D-UC3845D8TR

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