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UC2845AD8TR The Texas Instruments UC2845AD8TR is a current mode PWM controller designed for off-line and DC-DC converters. It operates with a voltage range of 7.6V to 30V and a frequency up to 500kHz.
Mfr Part #:

UC2845AD8TR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2845AD8TR is a current mode PWM controller designed for off-line and DC-DC converters. It operates with a voltage range of 7.6V to 30V and a frequency up to 500kHz.
✓ Total Stock: 6,215 pcs
$ Price Range: $0.78

UC2845AD8TR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,275 pcs
On Request
2275 pcs On Request 1 On Request On Request 19+17+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,440 pcs
On Request
1440 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.

UC2845AD8TR 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
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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UC2845AD8TR Description

Short technical summary and product information.

The UC2845AD8TR from Texas Instruments is a versatile current mode PWM controller. It is optimized for use in off-line and DC-DC converter applications. This controller supports multiple topologies including Boost, Buck, Flyback, and Forward configurations.

 

Key electrical specifications include an operating voltage range of 7.6V to 30V and a maximum switching frequency of 500kHz. The maximum duty cycle is rated at 48%. It features adjustable switching frequency, current limiting, dead time control, and an error amplifier. The device operates within a temperature range of -40°C to 85°C.

 

Packaged in an 8-SOIC (0.154", 3.90mm Width) surface mount package, the UC2845AD8TR is suitable for various board designs. Its features like low start-up current (< 0.5mA) and high-current totem pole output make it an efficient choice for power management solutions.

UC2845AD8TR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2845AD8TR Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC2845AD8TR Compliance

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

UC2845AD8TR Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2845AD8TR Features

  • Current mode PWM controller for power supplies.
  • Supports Boost, Buck, Flyback, and Forward topologies.
  • Operates at up to 500kHz switching frequency.
  • Wide 7.6V to 30V operating voltage range.
  • Surface mount 8-SOIC package.

UC2845AD8TR Applications

  • Ideal for off-line converters.
  • Suitable for DC-DC power supplies.
  • Used in switching regulator designs.
  • Enables multi-topology power solutions.

UC2845AD8TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2845AD8TR?

The UC2845AD8TR operates within a voltage range of 7.6V to 30V.

What is the maximum switching frequency of the UC2845AD8TR?

The UC2845AD8TR can operate at a maximum switching frequency of 500kHz.

What is the maximum duty cycle for the UC2845AD8TR?

The maximum duty cycle for the UC2845AD8TR is 48%.

What is the operating temperature range of the UC2845AD8TR?

The UC2845AD8TR operates in a temperature range of -40°C to 85°C.

What type of package is the UC2845AD8TR in?

The UC2845AD8TR is available in an 8-SOIC (0.154", 3.90mm Width) package.

What mounting type does the UC2845AD8TR use?

The UC2845AD8TR uses a Surface Mount type.

What power supply topologies does the UC2845AD8TR support?

The UC2845AD8TR supports Boost, Buck, Flyback, and Forward topologies.

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