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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3845D8
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UC3845D8 - Texas Instruments

Manufacturer Part Number
UC3845D8
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3845D8
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

UC3845D8 Tech Specifications
Texas Instruments - UC3845D8 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3845D8

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 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

UC3845D8

Manufacturer

Texas Instruments

Introduction

The UC3845D8 is a featured power management integrated circuit (PMIC), specifically a PWM Controller for efficient power supply regulation.

Product Features and Performance

Highly efficient PWM Controller

Wide input voltage range of -0.3V to 6.3V

Supply voltage supporting 12V to 28V

Low supply current of 11 mA

Stable operation at 0°C to 70°C ambient temperature

Surface mount 8-SOIC package for compact PCB design

Product Advantages

Robust thermal performance

Enhanced power efficiency for power supplies

Flexible for a range of input and operating conditions

Industry-standard SOIC footprint for ease of design and compatibility

Designed by a reputable manufacturer in power management

Key Technical Parameters

Input Voltage: -0.3V to 6.3V

Supply Voltage: 12V to 28V

Current - Supply: 11 mA

Operating Temperature Range: 0°C to 70°C

Mounting Type: Surface Mount

Package: 8-SOIC

Quality and Safety Features

Built-in thermal shutdown mechanism

Overcurrent protection

Under-voltage lockout (UVLO) for enhanced safety

Complies with industry quality and safety standards

Compatibility

Suited for typical 8-SOIC footprint

Wide operating voltage range compatible with various applications

Application Areas

AC-DC power supplies

DC-DC converters

Switch-mode power supplies

Power supply controllers for consumer electronics

Product Lifecycle

Marked as Last Time Buy indicating it is nearing discontinuation

Potential future replacements or upgrades should be considered

Several Key Reasons to Choose This Product

Efficiency in power supply regulation enhances the performance and life of the end product

Reliable operation ensured by the robust design for wide temperature and voltage ranges

Designed by Texas Instruments, a leader in semiconductor solutions, ensuring industry-standard performance and support

Suitable for a broad set of applications due to its versatile technical features

Ease of integration into product designs due to its standard package and compatibility features

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3845D8

Product Attribute UC3845D8 UC3845D UC3845BVDG UC3845D
Part Number UC3845D8 UC3845D UC3845BVDG UC3845D
Manufacturer Texas Instruments Texas Instruments onsemi onsemi
Serial Interfaces - - - -
Supplier Device Package 8-SOIC 14-SOIC 14-SOIC 14-SOIC
Series - - - -
Output Phases 1 1 1 1
Base Product Number UC3845 UC3845 UC3845 UC3845
Clock Sync No No No No
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback Boost, Flyback
Voltage - Supply (Vcc/Vdd) 12V ~ 28V 12V ~ 28V 7.6V ~ 30V 7.6V ~ 30V
Synchronous Rectifier No No No No
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)
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 105°C (TA) 0°C ~ 70°C (TA)
Package Tube Tube Tube Tube
Duty Cycle (Max) 48% 48% 48% 48%
Number of Outputs 1 1 1 1
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Control Features Frequency Control Frequency Control Frequency Control -
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down

UC3845D8 Datasheet PDF

Download UC3845D8 pdf datasheets and Texas Instruments documentation for UC3845D8 - Texas Instruments.

PCN Design/Specification
Mult Devices Font 21/Apr/2018.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.

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Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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UC3845D8 Image

UC3845D8

Texas Instruments
32D-UC3845D8

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