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UC2845D8 The Texas Instruments UC2845D8 is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates with a voltage range of 12V to 28V and features adjustable switching frequency up to 500kHz.
Mfr Part #:

UC2845D8

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2845D8 is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates with a voltage range of 12V to 28V and features adjustable switching frequency up to 500kHz.
✓ Total Stock: 134,143 pcs
$ Price Range: $0.58

UC2845D8 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
129,143 pcs
On Request
129143 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

UC2845D8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Features
Frequency
Function
Lead Spacing
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC2845D8 Description

Short technical summary and product information.

The UC2845D8 from Texas Instruments is a versatile current mode PWM controller suitable for various off-line and DC-to-DC converter applications. It supports multiple topologies including Boost, Buck, Flyback, and Forward configurations.

 

This controller operates within a voltage range of 12V to 28V and can achieve switching frequencies up to 500kHz, with a maximum duty cycle of 48%. Key features include adjustable switching frequency, current limiting, dead time control, and an error amplifier. It is designed for ease of implementation with minimal external components.

 

The UC2845D8 is available in an 8-SOIC package, designed for surface mount applications. It operates within an ambient temperature range of -40°C to 85°C, making it suitable for a wide array of environmental conditions. The device offers features like undervoltage lockout with hysteresis and high-current totem-pole output.

 

This component is optimized for enhanced load-response characteristics and provides pulse-by-pulse current limiting for robust operation. Its internally trimmed bandgap reference ensures accuracy at the error amplifier input.

UC2845D8 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2845D8 Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC2845D8 Compliance

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

UC2845D8 Estimated Pricing

Qty Low High
1+ $0.58 $0.58

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

UC2845D8 Features

  • Current mode PWM controller
  • Supports multiple converter topologies
  • Adjustable switching frequency up to 500kHz
  • Wide operating voltage range
  • Surface mount 8-SOIC package

UC2845D8 Applications

  • Ideal for off-line converters
  • Suitable for DC-to-DC converters
  • Used in power supply designs
  • Enables flexible power solutions

UC2845D8 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of UC2845D8?

12V to 28V.

What is the switching frequency of UC2845D8?

Up to 500kHz.

What topologies does UC2845D8 support?

Boost, buck, flyback, and forward.

What is the package type of UC2845D8?

8-SOIC surface mount.

What is the operating temperature range?

-40°C to 85°C.

What is the control mode of UC2845D8?

Peak current mode.

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