Converters | NCP1597B

Synchronous Buck Converter, 1 MHz, 2.0 A

Lifetime

Datasheet

Products

Similar Products

Overview

The NCP1597B is a fixed 1 MHz, high-output-current, synchronous PWM converter that integrates a low-resistance, high-side P-channel MOSFET and a low-side N-channel MOSFET. The NCP1597B utilizes current mode control to provide fast transient response and excellent loop stability. It regulates input voltages from 4.0 V to 5.5 V down to an output voltage as low as 0.8 V and is able to supply up to 2 A. The NCP1597B has features including fixed internal switching frequency (FSW), and an internal soft-start to limit inrush current. Using the EN pin, shutdown supply current is reduced to 3 µA maximum. Other features include cycle-by-cycle current limiting; short-circuit protection, low dropout mode, power saving mode and thermal shutdown. The part is also offered in a 6-pin 3x3mm DFN package under the NCP1597A.

  • +5V DC-DC Regulator

  • Set-Top-Box
  • LCD-TV / DTV / Plasma TV
  • USB Powered Devices

  • Input Voltage Range: from 4.0 V to 5.5 V
  • Internal 140 mΩ HighSide Switching P-FET and 90 mΩ Low-Side N-FET
  • Fixed 1 MHz Switching Frequency
  • Cycle-by-Cycle Current Limiting
  • Overtemperature Protection
  • Start-up with Pre-Biased Output Load
  • 0.8 V +/- 1.5% Reference Voltage
  • Power Saving Mode During Light Load

Tools and Resources

Product services, tools and other useful resources related to NCP1597B

CAD Model

CAD Model

Material Composition

Product Change Notification

Reliability Data

Product List

If you wish to buy products or product samples, please log in to your onsemi account.

Search

Close Search

Products:

1

Share

Sort by

Product Groups:

┗

Orderable Parts:

1

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

NCP1597BMNTWG

Loading...

Lifetime

Similar Products
CAD Model

Pb

A

H

P

DFN-10

485C

1

260

REEL

3000

N

Step-Down

Current Mode

4

5.5

0.8

2

90

1000

$0.3495

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: NCP1597BMNTWG

Equivalent to wafer fab process: ONC25

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC25

1

2712519294

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