FAN7621B The FAN7621B is a PFM controller from On Semiconductor designed for high-efficiency half-bridge resonant converters. It offers features like over-voltage and over-temperature protection.
Mfr Part #:

FAN7621B

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FAN7621B is a PFM controller from On Semiconductor designed for high-efficiency half-bridge resonant converters. It offers features like over-voltage and over-temperature protection.
✓ Total Stock: 90,400 pcs
$ Price Range: $0.78

FAN7621B Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
90,400 pcs
90400 pcs On Request 1 On Request On Request On Request On Request On Request

FAN7621B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
SVHC Present

FAN7621B Description

Short technical summary and product information.

The FAN7621B is a pulse frequency modulation (PFM) controller manufactured by On Semiconductor, designed for high-efficiency half-bridge resonant converters. This controller integrates a high-side gate-drive circuit, an accurate current-controlled oscillator, a frequency limit circuit, soft-start functionality, and built-in protection features such as over-temperature and over-voltage protection.

 

Key electrical specifications include a wide input voltage range from 11.1V to 400V, a nominal input voltage of 17V, and an output voltage of 24V. It can handle an output current of up to 8A and operates at a nominal frequency of 100kHz. The maximum power dissipation is rated at 192W.

 

Designed for surface mounting, the FAN7621B comes in an SOP package. Its operating temperature range is from -40°C to 130°C. The part has 16 terminals and a single circuit. The maximum supply current is 9mA.

 

This controller simplifies design and improves productivity while enhancing performance in power conversion applications.

FAN7621B Quick Information

Product Type: PFM Controller
Canonical Name: FAN7621B Pulse Frequency Modulation Controller
Subcategory: DC DC Switching Controllers

FAN7621B Compliance

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

FAN7621B Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

FAN7621B Features

  • Pulse frequency modulation controller for resonant converters.
  • Wide input voltage range up to 400V.
  • Integrated high-side gate-drive circuit.
  • Built-in over-voltage and over-temperature protection.
  • Surface mount SOP package for easy integration.

FAN7621B Applications

  • Ideal for high-efficiency power supplies.
  • Suitable for half-bridge resonant converters.
  • Used in power management circuits.
  • Enables simplified design productivity.
  • Enhances overall system performance.

FAN7621B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the FAN7621B?

The input voltage range is 11.1V to 400V.

What is the output voltage and current?

The output voltage is 24V and the maximum output current is 8A.

What is the operating frequency?

The operating frequency is 100kHz.

What is the operating temperature range?

The operating temperature range is -40°C to 130°C.

What package does the FAN7621B come in?

It comes in a surface mount SOP package with 16 terminals.

What fault protection features does it have?

It includes over temperature and over voltage protection.

What is the maximum power dissipation?

The maximum power dissipation is 192mW.

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