300mA, 28 V low-dropout voltage regulator, with 5 µA quiescent current

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Product overview

Description

The ST732 is 300 mA LDO regulator, designed to be used in several medium voltage applications. Ultra-low quiescent current of 5 µA makes it suitable for applications permanently connected to power supply/battery.
This feature is also useful when electronic modules remain permanently turned on.
The ST732 embeds protection functions, such as: current limit, short-circuit and thermal shutdown. The extended input voltage range, very low drop voltage and low quiescent current features make it suitable also for low power after-market automotive and consumer applications.
  • All features

    • Wide input voltage range : 2.5 V to 28 V
    • Ultra-low quiescent current: typ. 5 µA at no-load, 10 µA max. across full temperature range
    • Output voltage accuracy: ± 2%
    • Output current up to 300 mA
    • Fixed output voltage versions, starting from 1.2 V with 100 mV step
    • Stable with low ESR capacitors (0.47 µF min.)
    • Thermal shutdown protection
    • Current limit protection
    • -40 °C to +125 °C operating temperature range

EDA Symbols, Footprints and 3D Models

STMicroelectronics - ST732

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Symbols

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Footprints

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3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
ST732M28R
Active
SOT23-5L Industrial Ecopack2
ST732M30R
Active
SOT23-5L Industrial Ecopack2
ST732M33R
Active
SOT23-5L Industrial Ecopack2
ST732M36R
Active
SOT23-5L Industrial Ecopack2
ST732M50R
Active
SOT23-5L Industrial Ecopack2

ST732M28R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

ST732M30R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

ST732M33R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

ST732M36R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

ST732M50R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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Part Number
Order from distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Output Voltage (V) (nom)
Budgetary Price (US$)*/Qty
Output Tolerance (typ)
Output Current (A) (nom)
Unit Price (US$)
Country of Origin
min
max
ST732M50R Available at 3 distributors

Distributor availability ofST732M50R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1466 1 Buy from Distributor
MOUSER WORLDWIDE 261 1 Buy from Distributor
ANGLIA Live EUROPE 100 1 Buy from Distributor

Distributor reported inventory date: 2022-08-07

Distributor Name

DIGIKEY

Stock

1466

Min.Order

1

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

261

Min.Order

1

Region

WORLDWIDE Buy from Distributor

ANGLIA Live

Stock

100

Min.Order

1

Distributor reported inventory date: 2022-08-07

Active
EAR99 NEC Tape and Reel SOT23-5L -40 125 -

2

0.3

0.3415

MALAYSIA

ST732M33R Available at 4 distributors

Distributor availability ofST732M33R

Distributor Name
Region Stock Min. Order Third party link
YOSUN ASIA/PACIFIC 200 1 Buy from Distributor
MOUSER WORLDWIDE 1652 1 Buy from Distributor
Farnell Element14 EUROPE 3000 1 Buy from Distributor
ANGLIA Live EUROPE 2530 1 Buy from Distributor

Distributor reported inventory date: 2022-08-07

Distributor Name

YOSUN

Stock

200

Min.Order

1

Region

ASIA/PACIFIC Buy from Distributor

MOUSER

Stock

1652

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

3000

Min.Order

1

ANGLIA Live

Stock

2530

Min.Order

1

Distributor reported inventory date: 2022-08-07

Active
EAR99 NEC Tape and Reel SOT23-5L -40 125 -

2

0.3

0.3415

MALAYSIA

ST732M36R No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape and Reel SOT23-5L -40 125 -

2

0.3

0.3415

MALAYSIA

ST732M30R Available at 1 distributors

Distributor availability ofST732M30R

Distributor Name
Region Stock Min. Order Third party link
Farnell Element14 EUROPE 99 1 Buy from Distributor

Distributor reported inventory date: 2022-08-06

Distributor Name

Farnell Element14

Stock

99

Min.Order

1

Distributor reported inventory date: 2022-08-06

Active
EAR99 NEC Tape and Reel SOT23-5L -40 125 -

2

0.3

0.294

MALAYSIA

ST732M28R Available at 4 distributors

Distributor availability ofST732M28R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2376 1 Buy from Distributor
FUTURE WORLDWIDE 1000 0 Buy from Distributor
MOUSER WORLDWIDE 2020 1 Buy from Distributor
Farnell Element14 EUROPE 516 1 Buy from Distributor

Distributor reported inventory date: 2022-08-07

Distributor Name

DIGIKEY

Stock

2376

Min.Order

1

Region

WORLDWIDE Buy from Distributor

FUTURE

Stock

1000

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

2020

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

516

Min.Order

1

Distributor reported inventory date: 2022-08-07

Active
EAR99 NEC Tape and Reel SOT23-5L -40 125 -

2

0.3

0.3415

MALAYSIA

ST732M50R Active

Package:
SOT23-5L
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

ST732M50R

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

125

Output Voltage (V) (nom):

-

Output Tolerance (typ):

2

Output Current (A) (nom):

0.3

Country of Origin:

MALAYSIA

Distributor availability ofST732M50R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1466 1 Buy from Distributor
MOUSER WORLDWIDE 261 1 Buy from Distributor
ANGLIA Live EUROPE 100 1 Buy from Distributor

Distributor reported inventory date: 2022-08-07

Distributor Name

DIGIKEY

Stock

1466

Min.Order

1

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

261

Min.Order

1

Region

WORLDWIDE Buy from Distributor

ANGLIA Live

Stock

100

Min.Order

1

Distributor reported inventory date: 2022-08-07

ST732M33R Active

Package:
SOT23-5L
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

ST732M33R

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

125

Output Voltage (V) (nom):

-

Output Tolerance (typ):

2

Output Current (A) (nom):

0.3

Country of Origin:

MALAYSIA

Distributor availability ofST732M33R

Distributor Name
Region Stock Min. Order Third party link
YOSUN ASIA/PACIFIC 200 1 Buy from Distributor
MOUSER WORLDWIDE 1652 1 Buy from Distributor
Farnell Element14 EUROPE 3000 1 Buy from Distributor
ANGLIA Live EUROPE 2530 1 Buy from Distributor

Distributor reported inventory date: 2022-08-07

Distributor Name

YOSUN

Stock

200

Min.Order

1

Region

ASIA/PACIFIC Buy from Distributor

MOUSER

Stock

1652

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

3000

Min.Order

1

ANGLIA Live

Stock

2530

Min.Order

1

Distributor reported inventory date: 2022-08-07

ST732M36R Active

Package:
SOT23-5L
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

ST732M36R

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

125

Output Voltage (V) (nom):

-

Output Tolerance (typ):

2

Output Current (A) (nom):

0.3

Country of Origin:

MALAYSIA

No availability of distributors reported, please contact our sales office

ST732M30R Active

Package:
SOT23-5L
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

ST732M30R

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

125

Output Voltage (V) (nom):

-

Output Tolerance (typ):

2

Output Current (A) (nom):

0.3

Country of Origin:

MALAYSIA

Distributor availability ofST732M30R

Distributor Name
Region Stock Min. Order Third party link
Farnell Element14 EUROPE 99 1 Buy from Distributor

Distributor reported inventory date: 2022-08-06

Distributor Name

Farnell Element14

Stock

99

Min.Order

1

Distributor reported inventory date: 2022-08-06

ST732M28R Active

Package:
SOT23-5L
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

ST732M28R

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-40

Max:

125

Output Voltage (V) (nom):

-

Output Tolerance (typ):

2

Output Current (A) (nom):

0.3

Country of Origin:

MALAYSIA

Distributor availability ofST732M28R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2376 1 Buy from Distributor
FUTURE WORLDWIDE 1000 0 Buy from Distributor
MOUSER WORLDWIDE 2020 1 Buy from Distributor
Farnell Element14 EUROPE 516 1 Buy from Distributor

Distributor reported inventory date: 2022-08-07

Distributor Name

DIGIKEY

Stock

2376

Min.Order

1

Region

WORLDWIDE Buy from Distributor

FUTURE

Stock

1000

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

2020

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

516

Min.Order

1

Distributor reported inventory date: 2022-08-07

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors