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Micrel Datasheets

40 Micrel datasheets read into specs, pinouts and ratings, including Linear Regulators (LDO) and Switching Regulators (Buck).

Micrel parts by category

Micrel datasheets

40 parts · page 1 of 2. Most used first, then by part number.

KSZ8081RNA

Micrel Inc.

Single-supply 10Base-T/100Base-TX IEEE 802.3 Ethernet physical-layer transceiver with RMII interface, on-chip termination, integrated 1.2V core regulator, and LinkMD cable diagnostics

10/100 Ethernet PHY TransceiverQFN-24 4x4mm

KSZ8081RND

Micrel Inc.

Single-supply 10Base-T/100Base-TX Ethernet PHY transceiver with RMII interface; KSZ8081RND variant takes a 50MHz RMII reference clock input as power-up default.

Ethernet Physical-Layer TransceiverQFN-24 4x4mm

MIC23050

Micrel, Inc.

High-efficiency 600mA, 4MHz PWM synchronous buck (step-down) regulator with HyperLight Load switching scheme, fixed output voltage options, and 20μA typical quiescent current

Synchronous Buck Regulator

MIC23050-4YML

Micrel, Inc.

4MHz, 600mA PWM synchronous buck (step-down) regulator with HyperLight Load switching scheme, fixed 1.2V output, 20µA typical quiescent current.

Synchronous Buck RegulatorMLF-8 2x2mm

MIC23050-CYML

Micrel, Inc.

4MHz, 600mA PWM synchronous buck (step-down) regulator with HyperLight Load switching scheme, 1.0V fixed output, 20μA typical quiescent current

Synchronous Buck RegulatorMLF-8 2x2mm

MIC23050-GYML

Micrel, Inc.

600mA, 4MHz PWM synchronous step-down regulator with HyperLight Load switching scheme, fixed 1.8V output, 20µA quiescent current

Synchronous Buck RegulatorMLF-8 2x2mm

MIC23050-SYML

Micrel, Inc.

High-efficiency 600mA, 4MHz PWM synchronous buck (step-down) regulator with HyperLight Load switching scheme; this variant has a fixed 3.3V output.

Synchronous Buck RegulatorMLF-8 2x2mm

MIC4680

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with integrated power switch, available in 3.3V, 5V and adjustable (down to 1.25V) output versions in an 8-pin SOIC.

Step-down (buck) switch-mode voltage regulatorSOIC-8

MIC4680-3.3

Micrel Inc.

1A 200kHz SuperSwitcher fixed 3.3V output step-down (buck) switch-mode regulator with internal power switch, thermal shutdown and overcurrent protection in 8-pin power SOIC

Step-down (buck) switch-mode voltage regulatorSOIC-8

MIC4680-3.3BM

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with fixed 3.3V output, internal power switch and internal compensation in an 8-pin power SOIC

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC4680-3.3YM

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with fixed 3.3V output, internal power switch, and thermal shutdown in an 8-pin SOIC

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC4680-5.0

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with fixed 5.0V output, integrated power switch, and thermal/overcurrent protection in an 8-pin SOIC.

Step-down (buck) switch-mode voltage regulatorSOIC-8

MIC4680-5.0BM

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with fixed 5.0V output, up to 1.3A output current, in an 8-pin SOIC

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC4680-5.0YM

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) regulator with fixed 5.0V output, internal switch, thermal shutdown and cycle-by-cycle current limiting in 8-pin SOIC

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC4680BM

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with adjustable output down to 1.25V, internal power switch and compensation, in an 8-pin power SOIC

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC4680BM-TR

Micrel Inc.

Easy-to-use fixed or adjustable output voltage step-down (buck) switch-mode voltage regulator with up to 1.3A continuous output current and 200kHz fixed operation.

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC4680YM

Micrel Inc.

1A 200kHz SuperSwitcher step-down (buck) switch-mode regulator with adjustable output (down to 1.25V) and internal power switch, up to 1.3A output current in an 8-pin SOIC

Step-down (buck) switch-mode voltage regulator8-Pin SOIC

MIC5301

Micrel

Single-output 150mA ultra-low dropout (40mV) LDO regulator from Microchip's MIC53xx family, up to 5.5V input, listed in SOT23-5 and DFN6 packages

Low Dropout Regulator

MIC5302

Micrel

150mA ultra-low dropout (ULDO) linear regulator with 50mV dropout at 150mA in an ultra-small 1.2mm x 1.6mm Thin MLF package

Low Dropout RegulatorDFN-4 1.2x1.6mm

MIC5304

Micrel

Single 150mA low operating current LDO regulator with logic-controlled dual output voltage pin select, 24μA operating current and 85mV dropout at 150mA

Low Dropout Regulator

MIC5305

Micrel

150mA μCap ultra-low dropout LDO regulator with 60mV dropout, 85dB PSRR and 20μVrms output noise, stable with ceramic output capacitors

Low Dropout Regulator

MIC5306

Micrel

150mA ultra-low dropout, ultra-low quiescent current (16uA) micropower uCap baseband LDO regulator stable with ceramic output capacitor

Low Dropout RegulatorSOT23-5

MIC5308

Micrel

Single-output 150mA ultra-low-dropout LDO regulator with a bias rail and 90dB PSRR at 1kHz, offered in a 1.6x1.6mm DFN package; listed in the Microchip LDO selector guide.

Low Dropout RegulatorDFN-6 1.6x1.6mm

MIC5504

Micrel

A 300 mA single output LDO regulator with auto-discharge and internal enable pull-down, offering fixed output voltages from 1.0V to 3.3V and low quiescent current.

Low-Dropout Voltage RegulatorSOT23

MIC5504-1.2YM5

Micrel

Single 300mA fixed 1.2V low-dropout linear regulator with auto-discharge and internal enable pull-down, in a 5-pin SOT23 package

300mA LDO Linear RegulatorSOT-23-5

MIC5504-1.2YMT

Micrel

Single 300mA low-dropout linear regulator with 1.2V fixed output, output auto-discharge and internal enable pull-down, in a 1mm x 1mm Thin DFN package

300mA LDO Linear RegulatorDFN-4 1x1mm

MIC5504-1.8YM5

Micrel

Fixed 1.8V, 300mA low-dropout linear regulator with output auto-discharge and enable pull-down in a 5-pin SOT23 package

300mA LDO Linear RegulatorSOT-23-5

MIC5504-1.8YMT

Micrel

Single 300mA LDO with 1.8V fixed output, auto-discharge and internal enable pull-down in a 1mm x 1mm 4-pin Thin DFN package

300mA Low-Dropout Linear Regulator

MIC5504-2.2YMT

Micrel

Advanced general-purpose 300mA LDO regulator with auto-discharge and internal enable pull-down, ideal for portable devices.

Low-Dropout (LDO) Regulator4-Pin 1mm x 1mm Thin DFN

MIC5504-2.5YM5

Micrel

Single 300mA LDO regulator with auto-discharge and internal enable pull-down, offering high accuracy and low quiescent current in a small SOT23 package.

Low-Dropout (LDO) Regulator5-Pin SOT23