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MIC4684BM The MIC4684BM is a 2A high-efficiency buck switching regulator from Microchip Technology. It operates at a fixed 200kHz PWM frequency and features a wide input voltage range.
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MIC4684BM

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The MIC4684BM is a 2A high-efficiency buck switching regulator from Microchip Technology. It operates at a fixed 200kHz PWM frequency and features a wide input voltage range.
✓ Total Stock: 3,500 pcs
$ Price Range: $1.08

MIC4684BM Available from 1 distributor

✓ 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
3,500 pcs
On Request
3500 pcs On Request 1 On Request On Request On Request On Request On Request
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MIC4684BM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Efficiency
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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MIC4684BM Description

Short technical summary and product information.

The MIC4684BM is a 2A continuous current, high-efficiency, step-down (buck) switching regulator from Microchip Technology. It operates at a fixed 200kHz PWM frequency, achieving over 85% power conversion efficiency. This regulator is designed for a wide input voltage range of 4V to 30V, with a transient rating of 34V, making it suitable for applications with input voltage fluctuations.

 

The MIC4684BM features an adjustable output voltage down to 1.235V and is housed in an 8-lead SOIC package. Its internal compensation and fast transient response contribute to its performance. Built-in safety features include over-current protection, frequency-foldback short-circuit protection, and thermal shutdown, enhancing its reliability.

 

This surface-mount device is an all-surface mount solution, potentially replacing larger TO-220 and TO-263 packages. It is well-suited for applications requiring efficient step-down voltage conversion, such as on-card regulators or battery chargers.

MIC4684BM Quick Information

Product Type: Buck Regulator
Canonical Name: MIC4684BM 2A High-Efficiency SuperSwitcher Buck Regulator
Subcategory: DC-DC Switching Regulator

MIC4684BM Compliance

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

MIC4684BM Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

MIC4684BM Features

  • 2A continuous output current capability.
  • Over 85% power conversion efficiency.
  • Fixed 200kHz PWM operation.
  • Wide 4V to 30V input voltage range.
  • Adjustable output voltage to 1.235V.

MIC4684BM Applications

  • Simple high-efficiency step-down regulators.
  • On-card switching regulator applications.
  • Suitable for battery charger circuits.
  • 5V to 3.3V/1.7A converter designs.
  • 12V to 1.8V/2A converter designs.

MIC4684BM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the MIC4684BM?

The input voltage range is 4V to 30V, with a maximum transient of 34V.

What is the output current capability?

The device can deliver a continuous output current of 2A at 60°C ambient temperature.

What is the switching frequency?

The switching frequency is fixed at 200kHz.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C ambient, and -40°C to +125°C junction.

What package options are available?

The device is available in an 8-SOIC (SOP-8) surface mount package.

Is the output voltage adjustable?

Yes, the output voltage is adjustable from a reference of 1.235V.

What is the efficiency of the MIC4684BM?

The minimum efficiency is 85%.

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