APW7138

High-Performance Notebook PWM Controller
6,250 Effective Inventory

APW7138

Effective Inventory6,250

High-Performance Notebook PWM Controller

  • Manufacturer Part # : APW7138

  • Package/Case: SSOP16

  • Brand: ANPEC

  • Product Categories : Switching Regulator or Controllers

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Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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APW7138 DataSheet
no-price

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Rapid Quote

Please submit RFQ for APW7138 or email to us: Email: [email protected], we will contact you in 12 hours.

Details

General Description The APW7138 is a single-phase, constant-on-time, and synchronous PWM controller which drives N-channel MOSFET s. The APW7138 steps down high voltage of a battery to generate low-voltage chipset or RAM supplies in notebook computers.Features • Adjustable Output V oltage from +0.6V to +3.3V - 0.6V Reference V oltage - –1% Accuracy Over T emperature • Operates from an Input Battery V oltage Range of +3V to +25V • Wide Output Load Range from 0A to 25A • Power-On-Reset Monitoring on VCC Pin • Excellent Line and Load Transient Response • PFM Mode for Increased Light Load Efficiency • Programmable PWM Frequency from 200kHz to 600kHz • Integrated MOSFET Drivers and Bootstrap Diode • Internal Integrated Soft-Start and Soft-Stop • Selectable Forced PWM or Automatic PFM/PWM Mode (onl y for QF N4x4-16A and TQF N3x3-16 Packages) • Power Good Monitoring • Fault Identification by PGOOD Pull-Down Resistance • 70% Under-V oltage Protection (UVP) • 124% Over-V oltage Protection (OVP) • Adjustable Over-Current Protection (OCP) - Sensing Low-Side MOSFET’ s Current • Over-T emperature Protection (OTP) • SSOP-16, Compact 4mmx4mm QF N-16 (QF N4x4-16A), and TQF N3x3-16 Packages • Lead Free and Green Devices Available (RoHS Compliant)

Key Features

  • Adjustable Output Voltage from +0.6V to +3.3V
  • - 0.6V Reference Voltage
  • - ±1% Accuracy Over Temperature
  • Operates from an Input Battery Voltage Range of
  • +3V to +25V
  • Wide Output Load Range from 0A to 25A
  • Power-On-Reset Monitoring on VCC Pin
  • Excellent Line and Load Transient Response
  • PFM Mode for Increased Light Load Efficiency
  • Programmable PWM Frequency from 200kHz to
  • 600kHz
  • Integrated MOSFET Drivers and Bootstrap Diode
  • Internal Integrated Soft-Start and Soft-Stop
  • Selectable Forced PWM or Automatic PFM/PWM
  • Mode (only for QFN4x4-16A and TQFN3x3-16
  • Packages)
  • Power Good Monitoring
  • Fault Identification byPGOOD Pull-Down
  • Resistance
  • 70% Under-Voltage Protection (UVP)
  • 124% Over-Voltage Protection (OVP)
  • Adjustable Over-Current Protection (OCP)
  • - Sensing Low-Side MOSFET’s Current
  • Over-Temperature Protection (OTP)
  • SSOP-16, Compact 4mmx4mm QFN-16 (QFN4x4-
  • 16A), and TQFN3x3-16 Packages
  • Lead Free and Green Devices Available
  • (RoHS Compliant)

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer ANPEC Product Category ! IC Chips

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification APW7138 PDF Download

FAQs

What is APW7138?

The APW7138 is a synchronous step-down DC-DC converter IC designed by Anpec Electronics Corporation. It is suitable for various power management applications, including portable devices, consumer electronics, and industrial equipment.

How Does APW7138 Work?

The APW7138 operates as a synchronous step-down converter, converting input voltage to a lower regulated output voltage with high efficiency. It features a built-in high-side and low-side power MOSFET, allowing for a compact and simplified external component design. The converter also incorporates various protection features such as overcurrent protection and thermal shutdown for reliable power management.

How Many Pins does APW7138 have and What are the Functions of the Pinout Configuration?

The APW7138 is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • BOOT: Bootstrap capacitor connection pin for the high-side MOSFET.
  • PGND: Power ground pin.
  • SW: Switching node connection pin.
  • AGND: Analog ground pin.
  • FB: Feedback pin for output voltage regulation.
  • EN: Enable pin for enabling or disabling the converter.
  • SS/TR: Soft-start/tracking pin.
  • PGOOD: Power good indicator pin.
  • COMP: Compensation pin for loop stability.
  • SS/TR: Soft-start and tracking signal pin.
  • VOUT: Regulated output voltage pin.

What are the Pros and Cons of APW7138?

Pros:

  • High Efficiency: Achieves high efficiency in converting input voltage to regulated output voltage.
  • Integrated MOSFETs: Built-in high-side and low-side power MOSFETs simplify external component design.
  • Protection Features: Includes overcurrent protection and thermal shutdown for reliable power management.
  • Compact Package: The 16-pin SOIC package provides a space-efficient solution for power management.
  • Wide Application Range: Suitable for various power management applications in different industries.

Cons:

  • Complexity: Requires proper understanding of power management principles for optimal design and performance.
  • External Components: May require additional external components for specific application requirements.

Are There Any Equivalents/Alternatives to APW7138 for Recommendation?

Some equivalents or alternatives to the APW7138 include the LM2675 from Texas Instruments and the LT1376 from Analog Devices.

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