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                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Power Management ICs - PMIC
                                                                                                    4. Voltage Regulators
                                                                                                    5. DC / DC Switching Regulators
                                                                                                    Print Page

                                                                                                    NCP1529ASNT1G

                                                                                                    DC-DC Switching Buck (Step Down) Regulator, Adjustable, 2.7V-5.5Vin, 900mV-3.9Vout, 1Aout, TSOP-5

                                                                                                    ONSEMI
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    ONSEMI NCP1529ASNT1G
                                                                                                    ManufacturerONSEMI
                                                                                                    Manufacturer Part NoNCP1529ASNT1G
                                                                                                    Order Code2112613RL
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    Packaging Options
                                                                                                    No Longer Manufactured

                                                                                                    Product Information

                                                                                                    ONSEMI
                                                                                                    ManufacturerONSEMI
                                                                                                    Manufacturer Part NoNCP1529ASNT1G
                                                                                                    Order Code2112613RL
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Output TypeAdjustable
                                                                                                    No. of Outputs1Outputs
                                                                                                    TopologyBuck (Step Down)
                                                                                                    Input Voltage Min2.7V
                                                                                                    Input Voltage Max5.5V
                                                                                                    Output Current1A
                                                                                                    Max Output Current1A
                                                                                                    IC Case / PackageTSOP
                                                                                                    No. of Pins5Pins
                                                                                                    IC MountingSurface Mount
                                                                                                    Output Voltage - Nom-
                                                                                                    Output Voltage Min900mV
                                                                                                    Output Voltage Max3.9V
                                                                                                    Switching Frequency Typ1.7MHz
                                                                                                    Efficiency96%
                                                                                                    Operating Temperature Min-40°C
                                                                                                    Operating Temperature Max85°C
                                                                                                    Product Range-
                                                                                                    Qualification-
                                                                                                    MSL-
                                                                                                    SVHCNo SVHC (23-Jan-2024)
                                                                                                    DC / DC Converter IC CaseTSOP
                                                                                                    Automotive Qualification Standard-
                                                                                                    Switching Frequency2.2MHz

                                                                                                    Product Overview

                                                                                                    The NCP1529ASNT1G is a high efficiency low ripple monolithic adjustable output voltage step-down Converter uses synchronous rectification to increase efficiency and reduce external part count. The device also has a built-in 1.7MHz (nominal) oscillator which reduces component size by allowing a small inductor and capacitors. Automatic switching PWM/PFM mode offers improved system efficiency additional features include integrated soft-start, cycle-by-cycle current limiting and thermal shutdown protection.

                                                                                                    • Up to 96% efficiency
                                                                                                    • Best-in-class ripple, including PFM mode
                                                                                                    • Synchronous rectification for higher efficiency
                                                                                                    • Low quiescent current 28µA
                                                                                                    • Thermal limit protection
                                                                                                    • Short-circuit protection
                                                                                                    • All pins are fully ESD protected

                                                                                                    Applications

                                                                                                    Consumer Electronics, Portable Devices, Audio

                                                                                                    Warnings

                                                                                                    ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                                                                                                    Technical Specifications

                                                                                                    Output Type

                                                                                                    Adjustable

                                                                                                    Topology

                                                                                                    Buck (Step Down)

                                                                                                    Input Voltage Max

                                                                                                    5.5V

                                                                                                    Max Output Current

                                                                                                    1A

                                                                                                    No. of Pins

                                                                                                    5Pins

                                                                                                    Output Voltage - Nom

                                                                                                    -

                                                                                                    Output Voltage Max

                                                                                                    3.9V

                                                                                                    Efficiency

                                                                                                    96%

                                                                                                    Operating Temperature Max

                                                                                                    85°C

                                                                                                    Qualification

                                                                                                    -

                                                                                                    SVHC

                                                                                                    No SVHC (23-Jan-2024)

                                                                                                    Automotive Qualification Standard

                                                                                                    -

                                                                                                    No. of Outputs

                                                                                                    1Outputs

                                                                                                    Input Voltage Min

                                                                                                    2.7V

                                                                                                    Output Current

                                                                                                    1A

                                                                                                    IC Case / Package

                                                                                                    TSOP

                                                                                                    IC Mounting

                                                                                                    Surface Mount

                                                                                                    Output Voltage Min

                                                                                                    900mV

                                                                                                    Switching Frequency Typ

                                                                                                    1.7MHz

                                                                                                    Operating Temperature Min

                                                                                                    -40°C

                                                                                                    Product Range

                                                                                                    -

                                                                                                    MSL

                                                                                                    -

                                                                                                    DC / DC Converter IC Case

                                                                                                    TSOP

                                                                                                    Switching Frequency

                                                                                                    2.2MHz

                                                                                                    Technical Docs (4)

                                                                                                    CAD CadSoft_EAGLE EN

                                                                                                    EOL Notices EN

                                                                                                    Product Change Notice EN

                                                                                                    Technical Data Sheet EN

                                                                                                    Legislation and Environmental

                                                                                                    Country of Origin:
                                                                                                    Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                    Malaysia
                                                                                                    Country in which last significant manufacturing process was carried out
                                                                                                    Tariff No:85423990
                                                                                                    US ECCN:EAR99
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (23-Jan-2024)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.000035
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