Device Information
 
 
ISL8118 Printer Friendly Version
3.3V to 20V Single-Phase PWM Controller with Integrated 2A/4A MOSFET Drivers
 
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Datasheet
Adobe Acrobat Document ISL8118
3.3V to 20V Single-Phase PWM Controller with Integrated 2A/4A MOSFET Drivers
VIN (min) (V)3.3
VIN (max) (V)20
VOUT (min) (V).6
VOUT (max) (V)VIN
IOUT (max) (A)30
 

Product Information

Key Features
  • Wide Input Voltage Range: +3.3V to +20V
  • High-Speed 2A/4A MOSFET Gate Drivers that Operate from 2.9V to 5.6V
  • 0.591V Internal Reference
  • External Reference Input
  • Input Voltage Feed-forward Compensation
  • Internal Linear Regulator
  • External Linear Regulator Drive Available
  • High System Accuracy:
    • ±0.68% Over the Range of 0°C to +70°C
    • ±1.00% Over the Range of -40°C to +85°C
  • Programmable Operating Frequency from 250kHz to 2MHz
  • Programmable Soft-Start with Pre-biased Load Capability
  • Integrated Unity-Gain Differential Remote Sense Amplifier
  • Enable Input with Voltage Monitoring Capability
  • Integrated Voltage Margining with Independent Upper and Lower Settings
  • Overvoltage and Undervoltage Protection
  • Low-Side and High-Side MOSFET Current Sensing
  • Overcurrent Protection for Sourcing and Sinking Currents
  • Power-Good Indicator with Programmable Delay
  • Compact 28 Ld 5x5 QFN Package
  • Pb-Free (RoHS Compliant)
Description

The ISL8118 is a single-phase PWM controller featuring an input voltage range of +3.3V to +20V and integrated MOSFET drivers. Utilizing voltage-mode operation with input voltage feed-forward compensation, the ISL8118 maintains a constant loop gain, providing optimal transient response for applications with a wide input operating voltage range.

The output voltage can be precisely regulated down to 0.591V with a system tolerance of ±1.0% over the induct rail temperature range and line and load variations. A external reference input is provided to bypass the internal reference for voltage tracking or DDR memory applications. The compact 28 Ld 5x5 QFN package, integrated linear regulator as well as the external linear regulator drive option, integrated differential remote sense amplifier and integrated voltage margining with adjustable upper and lower settings decrease external component count and reduce board space requirements.

Programmable soft-start with pre-biased load capability, adjustable operating frequency from 250kHz to 2MHz, sourcing and sinking overcurrent protection, overvoltage and undervoltage protection, and power-good indication with programmable delay combine to make the ISL8118 a superior choice for many power supply systems.

Pricing / Packaging / Samples / Ordering

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Part No.Design-In
Status
Temp.PackageMSLPrice
US $
PB Free
ISL8118CRZ Active Comm 28 Ld QFN 3 1.53 PB Free Buy Direct Disti-Buy Sample
ISL8118CRZ-T Active Comm 28 Ld QFN T+R 3 1.53 PB Free Disti-Buy  
ISL8118EVAL1Z Active   Eval Board N/A Contact Us PB Free Buy Direct Disti-Buy  
ISL8118IRZ Active Ind 28 Ld QFN 3 1.84 PB Free Buy Direct Disti-Buy Sample
ISL8118IRZ-T Active Ind 28 Ld QFN T+R 3 1.84 PB Free Disti-Buy  
The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice.
MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020
SMD = Standard Microcircuit Drawing

Technical Documentation

Datasheet(s):
Evaluation Board(s):
Tools And Support
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No Models Available
Applications
  • Telecom and Datacom Servers
  • Point of Load Modules
  • Routers and Switchers
  • High Current Distributed Power Supplies
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