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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersTL3845BD
TL3845BD Image
Image may be representation.
See specifications for product details.

TL3845BD - Texas Instruments

Manufacturer Part Number
TL3845BD
Manufacturer
Texas Instruments
Allelco Part Number
32D-TL3845BD
ECAD Model
Parts Description
IC REG CTRLR MULT TOP 14SOIC
Detailed Description
Package
14-SOIC (0.154", 3.90mm Width)
Data sheet
TL284xB, TL384xB Datasheet.pdf
TL284xB, TL384xB Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 68790

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Quantity

Specifications

TL3845BD Tech Specifications
Texas Instruments - TL3845BD technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TL3845BD

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V  
Topology Boost, Flyback, Forward Converter  
Synchronous Rectifier No  
Supplier Device Package 14-SOIC  
Series -  
Serial Interfaces -  
Package / Case 14-SOIC (0.154", 3.90mm Width)  
Package Tube  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature 0°C ~ 70°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Up/Step-Down  
Frequency - Switching 100kHz  
Duty Cycle (Max) 48%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number TL3845  

Parts Introduction

Manufacturer Part Number

TL3845BD

Manufacturer

Texas Instruments

Introduction

The TL3845BD is a fixed frequency pulse width modulation control circuit designed primarily for power supply control.

Product Features and Performance

Fixed frequency PWM control

Step-Up, Step-Up/Step-Down voltage regulation

Suitable for Boost, Flyback, Forward Converter topologies

Single output transistor driver

Product Advantages

High versatility with positive output configuration

Support wide range of supply voltages: 7.6V to 30V

Up to 48% duty cycle for efficient control

Designed for ease of implementation

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V

Frequency - Switching: 100kHz

Duty Cycle (Max): 48%

Topology: Boost, Flyback, Forward Converter

Number of Outputs: 1

Output Phases: 1

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

Mounting Type: Surface Mount

Quality and Safety Features

Stable operation within specified temperature ranges

Compliance with industry safety and quality standards

Compatibility

Compatible with a wide range of power management applications

Mounting Type compatible with Surface Mount Technology (SMT)

Application Areas

Power supplies

DC-DC converters

Battery chargers

Automotive systems

Telecommunication equipment

Product Lifecycle

Last Time Buy – the product is nearing discontinuation

Potential for replacement or upgrade options available

Several Key Reasons to Choose This Product

Robust power management with fixed frequency control

Adaptable to multiple topologies and applications

Highly efficient with up to 48% max duty cycle

Support for a wide input voltage range

Reliability from a reputable manufacturer such as Texas Instruments

Availability for final purchases before discontinuation

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TL3845BD

Product Attribute TL3845BD TL3845BDR TL3844BDR-8 TL3845DR-8
Part Number TL3845BD TL3845BDR TL3844BDR-8 TL3845DR-8
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Package / Case 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154', 3.90mm Width)
Output Configuration Positive Positive Positive Positive
Series - - - Automotive, AEC-Q100
Output Phases 1 1 1 1
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Base Product Number TL3845 TL3845 TL3844 TL3845
Duty Cycle (Max) 48% 48% 48% 48%
Supplier Device Package 14-SOIC 14-SOIC 8-SOIC 8-SOIC
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 7.6V ~ 30V 10V ~ 30V 7.6V ~ 30V
Clock Sync No No No No
Serial Interfaces - - - -
Frequency - Switching 100kHz 100kHz Up to 500kHz 100kHz
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Number of Outputs 1 1 1 1
Synchronous Rectifier No No No No
Topology Boost, Flyback, Forward Converter Boost, Flyback, Forward Converter Boost, Flyback, Forward Boost, Flyback, Forward Converter
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)

TL3845BD Datasheet PDF

Download TL3845BD pdf datasheets and Texas Instruments documentation for TL3845BD - Texas Instruments.

Datasheets
TL284xB, TL384xB Datasheet.pdf
HTML Datasheet
TL284xB, TL384xB Datasheet.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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TL3845BD Image

TL3845BD

Texas Instruments
32D-TL3845BD

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