OB2281AMP The OB2281AMP from On-Bright is a high-performance, current mode PWM controller designed for cost-effective offline flyback converters. It operates within a 12V to 26V VCC supply range.
Mfr Part #:

OB2281AMP

Available from 2 distributors
Mfr Name: Bright
Bright
The OB2281AMP from On-Bright is a high-performance, current mode PWM controller designed for cost-effective offline flyback converters. It operates within a 12V to 26V VCC supply range.
Total Stock: 35,447 pcs

OB2281AMP Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
30,000 pcs
30000 pcs On Request 1 On Request On Request 21+ On Request On Request
Non-Authorised Inventory information
5,447 pcs
5447 pcs On Request 1 On Request On Request 21+ On Request On Request

OB2281AMP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Package / Case
SVHC Present
Storage Temperature

OB2281AMP Description

Short technical summary and product information.

The OB2281AMP is a highly integrated current mode PWM control IC optimized for high performance, low standby power, and cost-effective offline flyback converter applications. It is designed to minimize switching loss at no load or light load conditions by operating in an extended 'burst mode', thus achieving lower standby power and higher conversion efficiency.

 

The IC offers comprehensive protection coverage, including Cycle-by-Cycle current limiting (OCP), over load protection (OLP), VCC under voltage lockout (UVLO), over temperature protection (OTP), and over voltage protection (OVP). It also features On-Bright's proprietary frequency shuffling technique for excellent EMI performance and audio noise elimination during operation.

 

Key electrical characteristics include a VCC supply voltage range of 12V to 26V. The device is specified for operation across a wide temperature range, from -40°C to 150°C for junction temperature and -40°C to 85°C for ambient temperature. The OB2281AMP is supplied in a compact SOT23-6 package, suitable for various offline AC/DC flyback converter applications such as printer and power adapter supplies.

OB2281AMP Quick Information

Product Type: Switching Controller
Canonical Name: OB2281A High Performance Current Mode PWM Controller
Subcategory: AC DC Converters, Offline Switches

OB2281AMP Compliance

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

OB2281AMP Features

  • Highly integrated current mode PWM controller.
  • Optimized for low standby power and efficiency.
  • Comprehensive protection coverage included.
  • Excellent EMI performance with frequency shuffling.
  • Supplied in a SOT23-6 package.

OB2281AMP Applications

  • Offline AC/DC flyback converters.
  • Printer power supplies.
  • Storage power supplies.
  • Power adapters.

OB2281AMP FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the OB2281AMP?

The VCC supply voltage range is 12V to 26V.

What is the operating temperature range for the OB2281AMP?

The operating junction temperature range is -40°C to 150°C, and the operating ambient temperature range is -40°C to 85°C.

What package type is the OB2281AMP available in?

The OB2281AMP is available in a SOT-23-6 package.

What is the RoHS status of the OB2281AMP?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the OB2281AMP?

The Moisture Sensitivity Level is 1 Unlimited.

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