Converters | NCP1529

Buck Converter, DC-DC, High Efficiency, Adjustable Output Voltage, Low Ripple, 1.7 MHz, 1 A

Last Shipments

Datasheet

Buy

Overview

The NCP1529 step-down DC-DC converter is a monolithic integrated circuit for portable applications powered from one cell Li-ion or three cell Alkaline/NiCd/NiMH batteries. The device is able to deliver up to 1.0 A on an output range externally adjustable from 0.9 V to 3.9 V or fixed at 1.2 V or 1.35 V.
It uses synchronous rectification to increase efficiency and reduce external part count. The device also has a built-in 1.7 MHz (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. The NCP1529 is available in a space saving, low profile 2x2x0.5 mm UDFN6 package and TSOP-5 package.

  • Battery powered applications power management
  • Power supply for processor with low core voltage
  • USB powered devices
  • Low Voltage DC rails power management

  • Cellular phones, smart phones, and PDAs
  • MP3 players and portable audio systems

  • 96% efficiency, 28 uA quiescent current, 0.3 uA shutdown current
  • 1.7 MHz switching frequency
  • Auto-switching between PWM and PFM mode at light load conditions
  • Adjustable output voltage from 0.9V to 3.9V
  • Best in class Low Ripple even in PFM mode

Tools and Resources

Product services, tools and other useful resources related to NCP1529

CAD Model

CAD Model

Material Composition

Product Change Notification

Reliability Data

Buy/Parametrics Table

Search

Close Search

Products:

3

Share

Sort by

Product Groups:

┗

Orderable Parts:

3

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Control Mode

VCC Min (V)

VCC Max (V)

VO Typ (V)

IO Typ (A)

Efficiency (%)

fSW Typ (kHz)

Reference Price

NCP1529ASNT1G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Step-Down

Current Mode

2.7

5.5

0.9 to 3.9

1

96

1700

Price N/A

More Details

NCP1529MU12TBG

Loading...

Obsolete

CAD Model

Pb

A

H

P

UDFN-6

517AB

1

260

REEL

3000

N

Step-Down

Current Mode

2.7

5.5

1.2

1

86

1700

Price N/A

More Details

NCP1529MUTBG

Loading...

Last Shipments

CAD Model

Pb

A

H

P

UDFN-6

517AB

1

260

REEL

3000

N

Step-Down

Current Mode

2.7

5.5

0.9 to 3.9

1

96

1700

Price N/A

More Details

Show More

1-25 of 25

Products per page

Jump to :

1
contact sales icon

Support on the go

Find and compare products, get support and connect with onsemi sales team.

Reliability Data

Die Related Summary Data

Device: NCP1529ASNT1G

Equivalent to wafer fab process: CMOS STD

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS STD

3

3597164517

More Details

Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

New Search