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MIC4690YM

The Micrel MIC4690YM is an easy-to-use, 500kHz step-down PWM voltage regulator. It provides over 1A of continuous output current in an 8-lead SO package.

✓ Total Stock: 1 pcs

$ Price Range: $1.08

MIC4690YM Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Hybrid Electronics ✓ Non-Authorised Inventory information	1 pcs On Request	1 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
HK XINYUANXIN ELECTRONIC TECH LIMITED ✓ Non-Authorised Inventory information	On Request On Request	On Request	On Request	1	On Request	On Request	On Request	On Request	On Request

MIC4690YM Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Micrel Inc.
Lead Spacing	1.27 mm
Lead Style	Gull-Wing
Mounting Type	SMD/SMT
Output Current	1A

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MIC4690YM Description

Short technical summary and product information.

The MIC4690 SuperSwitcher™ is a 500kHz step-down PWM voltage regulator from Micrel Inc. It is designed to deliver over 1A of continuous output current across a wide input voltage range of 4V to 34V. The high switching frequency allows for the use of small surface-mount inductors and capacitors, making it suitable for compact designs.

This regulator features internal compensation for fast transient response and requires a minimum number of external components. It is housed in an 8-lead SO (small outline) package, which can replace larger TO-220 and TO-263 packages in many applications. The MIC4690 includes built-in safety features such as over-current protection, frequency foldback protection, and thermal shutdown.

The output voltage is adjustable down to 1.23V. Applications include simple 1A step-down regulators, replacements for TO-220 and TO-263 designs, and various voltage conversions like 12V to 5V/3.3V/2.5V/1.8V/1.5V and 5V to 2.5V/1.8V/1.5V. It is also suitable for on-card switching regulators, hard disk drives, cable modems, and simple battery chargers.

MIC4690YM Quick Information

Product Type: Switching Voltage Regulator

Series: SuperSwitcher

Canonical Name: MIC4690 500kHz 1A SuperSwitcher Buck Regulator

Subcategory: Buck Regulator

MIC4690YM Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MIC4690YM Estimated Pricing

Qty	Low	High
1+	$1.08	$1.08

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

MIC4690YM Features

1A continuous output current capability.
500kHz fixed switching frequency.
Wide 4V to 34V input voltage range.
Adjustable output voltage down to 1.23V.
SO-8 package for compact designs.

MIC4690YM Applications

Simple 1A step-down regulator.
Replacement for TO-220/TO-263 designs.
12V to 5V/3.3V/2.5V/1.8V/1.5V conversion.
On-card switching regulators.
Hard disk drive power supplies.

MIC4690YM FAQs

6 frequently asked questions generated from this part’s specifications.

What is the input voltage range for the MIC4690YM?

The input voltage range is from 4V to 34V.

What is the maximum output current of the MIC4690YM?

The MIC4690YM can provide over 1A of continuous output current.

What is the switching frequency of the MIC4690YM?

The switching frequency is fixed at 500kHz.

What is the operating temperature range for the MIC4690YM?

The operating temperature range is -40°C to +125°C.

What package type is the MIC4690YM available in?

The MIC4690YM is available in an 8-lead SO (small outline) package.

What are the built-in safety features of the MIC4690YM?

The MIC4690YM includes over-current protection, frequency foldback protection, and thermal shutdown.