ST1PS01 - 400 mA nano-quiescent synchronous step-down converter with digital voltage selection and Power Good - STMicroelectronics

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Product overview

Description

This converter is specifically designed for applications where high efficiency, PCB size and thickness are the key factors. The output voltage can be set using two digital control inputs, a V_OUT from 0.625 V to 3.3 V can be dynamically selected. Thanks to the enhanced PCC (peak current control) the ST1PS01 reaches very high efficiency conversion using just a 2.2 µH inductor and two small capacitors. Advanced design circuitry is implemented to minimize the quiescent current. The device is available in Flip-Chip package.

All features
500 nA input quiescent current at V_IN=3.6 V (not switching)

94% typical efficiency at 1 mA load (V_IN=3.6 V, V_OUT=3.3 V)

100% duty cycle

1.8 V to 5.5 V input operating range

Undervoltage lockout: 1.57 V (V_IN falling, typ.)

Up to 400 mA output current capability

Low power control operation for the best efficiency
Embedded soft-start circuit

Tiny external components: L=2.2 µH typ.

Selectable output voltages: 0.625 V to 3.3 V

Output voltage Power Good

±1.5% output voltage accuracy (V_OUT, T_A = 25 °C)

Dynamic output voltage selection (D0, D1)

Available in Flip-Chip package
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Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu	STSW-eDSim	Active	eDSim: fast and powerful electrical simulation software for SMPS and analog ICs	Evaluation tool software	ST	STSW-eDSim Description: eDSim: fast and powerful electrical simulation software for SMPS and analog ICs

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Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu	STEVAL-1PS01DJR	Active	Evaluation board based on ST1PS01DJR 400 mA nano-quiescent synchronous step-down converter	Power supplies and converters	ST	STEVAL-1PS01DJR Description: Evaluation board based on ST1PS01DJR 400 mA nano-quiescent synchronous step-down converter
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	Resource title	Version	Latest update

SIMPLIS models (1)

	Resource title	Version	Latest update
ZIP	ST1PS01 SIMPLIS examples schematics	2023.07	02 Feb 2024	02 Feb 2024 ST1PS01 SIMPLIS examples schematics 2023.07

Quality and Reliability

Part Number	Marketing Status	Package	Grade	RoHS Compliance Grade	Material Declaration**
ST1PS01AJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01BJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01CJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01DJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01EJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01FJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01GJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML
ST1PS01HJR	Active	CSP P 0.4 mm	Industrial	Ecopack2	PDF XML

ST1PS01AJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01BJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01CJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01DJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01EJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01FJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01GJR

Package:

CSP P 0.4 mm

Material Declaration**:

ST1PS01HJR

Package:

CSP P 0.4 mm

Material Declaration**:

(**) 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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ECCN (US)

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0.5209 / 1k

Available at 2 distributors

Distributor availability of ST1PS01AJR

Distributor Name	Region	Stock	Min. Order	Third party link
MOUSER	WORLDWIDE	2203	1	Buy from Distributor
DIGIKEY	WORLDWIDE	5000	1	Buy from Distributor

Distributor reported inventory date: 3/30/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 1 distributors

Distributor availability of ST1PS01FJR

Distributor Name	Region	Stock	Min. Order	Third party link
DIGIKEY	WORLDWIDE	952	1	Buy from Distributor

Distributor reported inventory date: 3/29/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 1 distributors

Distributor availability of ST1PS01CJR

Distributor Name	Region	Stock	Min. Order	Third party link
DIGIKEY	WORLDWIDE	5160	1	Buy from Distributor

Distributor reported inventory date: 3/29/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 2 distributors

Distributor availability of ST1PS01DJR

Distributor Name	Region	Stock	Min. Order	Third party link
MOUSER	WORLDWIDE	200	1	Buy from Distributor
DIGIKEY	WORLDWIDE	6684	1	Buy from Distributor

Distributor reported inventory date: 3/30/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 5 distributors

Distributor availability of ST1PS01EJR

Distributor Name	Region	Stock	Min. Order	Third party link
ANGLIA Live	EUROPE	10165	1	Buy from Distributor
MOUSER	WORLDWIDE	11955	1	Buy from Distributor
AVNET	AMERICA	55000	0	Buy from Distributor
DIGIKEY	WORLDWIDE	5627	1	Buy from Distributor
YOSUN	ASIA/PACIFIC	200	1	Buy from Distributor

Distributor reported inventory date: 3/30/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 5 distributors

Distributor availability of ST1PS01BJR

Distributor Name	Region	Stock	Min. Order	Third party link
Farnell Element14	EUROPE	6591	1	Buy from Distributor
ANGLIA Live	EUROPE	5000	1	Buy from Distributor
MOUSER	WORLDWIDE	628	1	Buy from Distributor
DIGIKEY	WORLDWIDE	439	1	Buy from Distributor
YOSUN	ASIA/PACIFIC	200	1	Buy from Distributor

Distributor reported inventory date: 3/30/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 1 distributors

Distributor availability of ST1PS01GJR

Distributor Name	Region	Stock	Min. Order	Third party link
Farnell Element14	EUROPE	70	1	Buy from Distributor

Distributor reported inventory date: 3/29/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

0.5209 / 1k

Available at 3 distributors

Distributor availability of ST1PS01HJR

Distributor Name	Region	Stock	Min. Order	Third party link
Farnell Element14	EUROPE	70	1	Buy from Distributor
AVNET	AMERICA	30000	0	Buy from Distributor
DIGIKEY	WORLDWIDE	840	1	Buy from Distributor

Distributor reported inventory date: 3/30/2025

CSP P 0.4 mm

Tape and Reel

ITALY

EAR99

NEC

Buy from Distributor

ST1PS01AJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 2 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01FJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 1 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01CJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 1 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01DJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 2 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01EJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 5 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01BJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 5 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01GJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 1 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

ST1PS01HJR Active

Budgetary Price (US$)*/Qty:

0.5209 / 1k

Available at 3 distributors

Buy Direct at ST

Add Free Sample

Package:

CSP P 0.4 mm

Packing Type:

Tape and Reel

Country of Origin:

ITALY

ECCN (US):

EAR99

ECCN (EU):

NEC

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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

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