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TL494CDR2 The TL494CDR2 from ON Semiconductor is a fixed frequency, pulse width modulation control circuit designed for SWITCHMODE power supply control. It operates within a voltage range of 7V to 40V.
Mfr Part #:

TL494CDR2

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The TL494CDR2 from ON Semiconductor is a fixed frequency, pulse width modulation control circuit designed for SWITCHMODE power supply control. It operates within a voltage range of 7V to 40V.
✓ Total Stock: 2,390 pcs
$ Price Range: $0.78

TL494CDR2 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
2,390 pcs
On Request
2390 pcs On Request 1 On Request On Request 04+ On Request On Request
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TL494CDR2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Power Dissipation
Supplier Device Package
Supplier Package
Synchronous Rectifier
Thermal Resistance
Topology
Voltage
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TL494CDR2 Description

Short technical summary and product information.

The TL494CDR2 is a versatile pulse width modulation (PWM) control circuit from ON Semiconductor, primarily designed for SWITCHMODE power supply applications. This integrated circuit features a fixed frequency of 200kHz and operates within a wide voltage range of 7V to 40V.

 

Key features include on-chip oscillator with master or slave operation, error amplifiers, and a 5.0V reference. It also offers adjustable deadtime control and uncommitted output transistors rated to 500 mA source or sink. The device supports both push-pull and single-ended output configurations, making it suitable for various power supply designs.

 

Packaged in a 16-SOIC surface mount package, the TL494CDR2 is designed for applications requiring efficient power conversion. Its operating temperature range is 0°C to 70°C.

 

This controller supports both step-down and step-up/step-down topologies, with a maximum duty cycle of 48%. It is not a synchronous rectifier and does not feature clock synchronization.

TL494CDR2 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: TL494CDR2 Pulse Width Modulation Control Circuit
Subcategory: DC DC Switching Controllers

TL494CDR2 Compliance

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

TL494CDR2 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

TL494CDR2 Features

  • Fixed frequency pulse width modulation control.
  • On-chip oscillator and error amplifiers.
  • Adjustable deadtime control included.
  • Output transistors rated to 500 mA.
  • Supports push-pull or single-ended operation.

TL494CDR2 Applications

  • Ideal for SWITCHMODE power supplies.
  • Suitable for step-down converters.
  • Used in step-up/step-down designs.
  • Enables flexible output configurations.

TL494CDR2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TL494CDR2?

7V to 40V.

What is the package type for the TL494CDR2?

16-SOIC (0.154", 3.90mm Width) surface mount package.

What is the operating temperature range for the TL494CDR2?

0°C to +70°C (TL494C variant).

What is the maximum duty cycle of the TL494CDR2?

48%.

What is the switching frequency of the TL494CDR2?

200 kHz.

What control features does the TL494CDR2 include?

Dead Time Control and Frequency Control.

What output configurations are supported by the TL494CDR2?

Positive output configuration supporting push-pull or single-ended operation.

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