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MIC4680BM The Micrel Inc. MIC4680BM is a 1.3A SuperSwitcher buck regulator operating at 200kHz. It features a wide input voltage range and is housed in an 8-lead SOP package.
Mfr Part #:

MIC4680BM

Available from 2 distributors
Mfr Name: Micrel Inc.
Micrel Inc.
The Micrel Inc. MIC4680BM is a 1.3A SuperSwitcher buck regulator operating at 200kHz. It features a wide input voltage range and is housed in an 8-lead SOP package.
✓ Total Stock: 2,489 pcs
$ Price Range: $2.95

MIC4680BM Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
1,289 pcs
On Request
1289 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,200 pcs
On Request
1200 pcs On Request 1 On Request On Request 0801+ On Request On Request
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MIC4680BM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Efficiency
Input Voltage
Junction Temperature
Mounting Type
Output Current
Output Voltage
Storage Temperature
Tape & Reel
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MIC4680BM Description

Short technical summary and product information.

The MIC4680BM from Micrel Inc. is an easy-to-use, fixed or adjustable output voltage step-down (buck) switch-mode voltage regulator. This SuperSwitcher regulator operates at a fixed 200kHz frequency and can deliver up to 1.3A of continuous output current.

 

It supports a wide input voltage range from 4V to 34V, offering excellent line, load, and transient response. The device includes cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions. In shutdown mode, it draws less than 2µA of standby current.

 

The MIC4680BM is internally compensated for fast transient response and requires a minimum number of external components. It is available in an 8-lead SOP package, making it suitable for all surface mount solutions. Typical applications include simple 1A high-efficiency step-down regulators, on-card switching regulators, and efficient preregulators.

 

Key electrical characteristics include an output current capability of up to 1.3A and a switching frequency of 200kHz. The operating input voltage range is 4V to 34V. The device operates within a junction temperature range of -40°C to +125°C.

MIC4680BM Quick Information

Product Type: Buck Regulator
Canonical Name: MIC4680BM SuperSwitcher Buck Regulator
Subcategory: Buck Regulator Controller

MIC4680BM Compliance

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

MIC4680BM Estimated Pricing

Qty Low High
1+ $2.95 $2.95

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

MIC4680BM Features

  • Up to 1.3A continuous output current.
  • Fixed 200kHz switching frequency.
  • Wide 4V to 34V operating input voltage.
  • Internal compensation for fast transient response.
  • 8-lead SOP package for surface mounting.

MIC4680BM Applications

  • Simple 1A high-efficiency step-down regulators.
  • On-card switching regulators.
  • Efficient preregulator circuits.
  • Replacement for TO-220 and TO-263 designs.

MIC4680BM FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum output current of the MIC4680BM?

The maximum output current is 1.3A.

What is the switching frequency of the MIC4680BM?

The switching frequency is 200kHz.

What is the input voltage range for the MIC4680BM?

The input voltage range is 4V to 34V.

What is the output voltage range of the MIC4680BM?

The output voltage range is 1.25V to 34V.

What package does the MIC4680BM come in?

It comes in a SOP-8 surface mount package.

What is the junction temperature range for the MIC4680BM?

-40°C to +125°C.

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