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TL2845BD-8 The Texas Instruments TL2845BD-8 is a current-mode PWM controller designed for DC-DC converters. It operates at frequencies up to 500kHz and is housed in an 8-SOIC package.
Mfr Part #:

TL2845BD-8

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL2845BD-8 is a current-mode PWM controller designed for DC-DC converters. It operates at frequencies up to 500kHz and is housed in an 8-SOIC package.
✓ Total Stock: 8,454 pcs
$ Price Range: $0.78

TL2845BD-8 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
8,454 pcs
On Request
8454 pcs On Request 1 On Request On Request 16+ On Request On Request
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TL2845BD-8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Conflict Minerals
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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TL2845BD-8 Description

Short technical summary and product information.

The TL2845BD-8 from Texas Instruments is a high-performance, current-mode Pulse Width Modulation (PWM) controller. It is designed to facilitate the implementation of fixed-frequency current-mode control schemes for off-line or DC-to-DC converters with a minimal number of external components.

 

This controller supports various topologies including Boost, Flyback, and Forward converters. It features a wide operating voltage range from 7.6V to 30V and can operate at frequencies up to 500kHz. The device includes essential control features such as frequency control and offers a maximum duty cycle of 48%. Its operating temperature range is -40°C to 85°C.

 

The TL2845BD-8 is packaged in an 8-SOIC (Surface Mount) package, measuring 0.154 inches with a 3.90mm width. The output type is a Transistor Driver, and it is not a synchronous rectifier. The device operates with a single output phase and a single output.

 

Key internal circuits include an undervoltage lockout (UVLO) with hysteresis, a precision reference, and a totem-pole output stage suitable for driving N-channel MOSFETs. It also incorporates latching PWM for cycle-by-cycle current limiting and double-pulse suppression.

TL2845BD-8 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: TL2845BD-8 Current-Mode PWM Controller
Subcategory: Current-Mode

TL2845BD-8 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TL2845BD-8 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

Estimated market price range - modelled values for guidance only, not live distributor offers.

TL2845BD-8 Features

  • Current-mode PWM controller for DC-DC.
  • Operates up to 500kHz frequency.
  • Wide voltage range of 7.6V to 30V.
  • Surface mount 8-SOIC package.
  • Wide -40°C to 85°C operating temperature.

TL2845BD-8 Applications

  • Used in DC-DC switching regulators.
  • Suitable for transformer-coupled converters.
  • Ideal for off-line power supplies.
  • Supports Boost converter topology.
  • Supports Flyback converter topology.

TL2845BD-8 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range?

7.6V to 30V.

What is the operating temperature range?

-40°C to 85°C.

What package is the TL2845BD-8 available in?

8-SOIC.

What topologies does this controller support?

Boost, Flyback, and Forward.

What is the maximum switching frequency?

Up to 500kHz.

What is the maximum duty cycle?

48%.

What are the UVLO thresholds?

8.4V (on) and 7.6V (off).

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