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ISL8118IRZ-T Datasheet(PDF) 1 Page - Intersil Corporation

Part # ISL8118IRZ-T
Description  3.3V to 20V, Single-Phase PWM Controller with Integrated 2A/4A MOSFET Drivers
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL8118IRZ-T Datasheet(HTML) 1 Page - Intersil Corporation

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ISL8118
3.3V to 20V, Single-Phase PWM Controller
with Integrated 2A/4A MOSFET Drivers
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.
Pinout
ISL8118
(28 LD 5x5 QFN)
TOP VIEW
Features
• Wide Input Voltage Range: +3.3V to +20V
• High-Speed 2A/4A MOSFET Gate Drivers that Operate
from 2.9V to 5.6V
• Operating Junction Temperature Range –40°C to +125°C
• 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)
Applications
• Telecom and Datacom Servers
• Point of Load Modules
• Routers and Switchers
• High Current Distributed Power Supplies
VSENSP
REFOUT
LX
BOOT
TGATE
PGND
BGATE
SS
OFSN
PVCC
EXDRV
OFSP
REFIN
1
2
3
4
5
6
7
21
20
19
18
17
16
15
28
27
26
25
24
23
22
8
9
10
11
12
13
14
GND
BOTTOM
SIDE PAD
VSENSN
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
TEMP.
RANGE (°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL8118CRZ
ISL8118CRZ
0 to +70
28 Ld 5x5 QFN L28.5x5
ISL8118IRZ
ISL8118IRZ
-40 to +85
28 Ld 5x5 QFN L28.5x5
Add “-T*” suffix for tape and reel. Please refer to TB347 for details on
reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets, molding compounds/die attach
materials, and 100% matte tin plate plus anneal (e3 termination finish,
which is RoHS compliant and compatible with both SnPb and Pb-free
soldering operations). Intersil Pb-free products are MSL classified at
Pb-free peak reflow temperatures that meet or exceed the Pb-free
requirements of IPC/JEDEC J STD-020.
Data Sheet
November 29, 2012
FN6325.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas Inc. 2006, 2009, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.


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