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A8285SLB The Allegro Microsystems A8285SLB is a monolithic linear and switching voltage regulator designed for LNB downconverters in satellite receivers. It provides up to 500 mA load current and features an I2C interface.
Mfr Part #:

A8285SLB

Available from 1 distributors
Mfr Name: Allegro Microsystems
Allegro Microsystems
The Allegro Microsystems A8285SLB is a monolithic linear and switching voltage regulator designed for LNB downconverters in satellite receivers. It provides up to 500 mA load current and features an I2C interface.
✓ Total Stock: 1,513 pcs
$ Price Range: $0.75

A8285SLB 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
1,513 pcs
On Request
1513 pcs On Request 1 On Request On Request 04+ 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.

A8285SLB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Interface
Load Current
Mounting Type
Number of Outputs
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Voltage
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A8285SLB Description

Short technical summary and product information.

The A8285SLB from Allegro Microsystems is a specialized voltage regulator designed for LNB (low noise block) converter applications in analog and digital satellite receivers. It provides both power and interface signals to the LNB downconverter via a coaxial cable.

 

This device utilizes a 2-wire bidirectional serial interface, compatible with the I2C standard, operating up to 400 kHz. It offers features such as LNB selection and standby function, with the capability to provide up to 500 mA of load current. The built-in tone oscillator is factory-trimmed to 22 kHz, facilitating DiSEqC 2.0 encoding.

 

Packaged in a 16-lead plastic SOIC with internally fused leads for thermal dissipation, the A8285SLB is suitable for surface mount applications. It operates within a voltage range of 12.7V to 20.4V and an ambient temperature range of -20°C to 85°C. The regulator includes overcurrent protection and internal overtemperature protection for enhanced reliability.

 

Key features include LNB overcurrent protection and diagnostics, internal overtemperature protection, and compatibility with 16 possible LNB voltage levels, making it suitable for all common standards. The tracking switch-mode power converter ensures lowest dissipation.

A8285SLB Quick Information

Product Type: Voltage Regulator
Canonical Name: A8285SLB LNB Supply and Control Voltage Regulator
Subcategory: Special Purpose Regulators

A8285SLB Compliance

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

A8285SLB Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

A8285SLB Features

  • Provides up to 500 mA load current.
  • Features a 2-wire serial I2C interface.
  • Built-in 22 kHz tone oscillator.
  • Includes overcurrent protection and diagnostics.
  • 16-lead SOIC package for surface mounting.

A8285SLB Applications

  • Ideal for power management with I2C control.
  • Used in systems requiring tone generation.
  • Suitable for regulated output in automotive applications.
  • Applicable in industrial control modules.

A8285SLB FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the A8285SLB?

The operating voltage range is 12.7 V to 20.4 V.

What package does the A8285SLB come in?

The A8285SLB is available in a 16-SOIC surface mount package (16-PowerSOIC, 0.295" width, 7.50mm width).

What is the operating temperature range?

The operating temperature range is -20°C to 85°C.

What is the maximum load current?

The maximum load current is 500 mA.

What interface does the A8285SLB use?

It uses a two-wire serial I2C interface.

Does the A8285SLB have a built-in tone oscillator?

Yes, it has a built-in tone oscillator factory-trimmed to 22 kHz.

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