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ISL8201M
Data Sheet
October 21, 2010
FN6657.2
P VC C
10A, High Efficiency DC/DC Module
The ISL8201M is a 20V, 10A output current, variable output
step-down power supply. Included in the 15mmx15mm
package is a high performance PWM controller switching at
600kHz, power MOSFETs, an inductor, and all the passive
components required for complete DC/DC power solution.
The ISL8201M operates over an input voltage range of 1V to
20V and supports an output voltage range of 0.6V to 5V,
which is set by a single dividing resistor. This high efficiency
power module is capable of delivering 10A (17A peak) output
with up to 95% efficiency, needing no heat sinks or airflow to
meet power specifications. Only bulk input and output
capacitors are needed to finish the design. Utilizing
voltage-mode control, the output voltage can be precisely
regulated to as low as 0.6V with up to ±1% output voltage
regulation. The ISL8201M also features internal
compensation, internal soft-start, auto-recovery overcurrent
protection, an enable option, and pre-biased output start-up
capability.
The ISL8201M is packaged in a thermally enhanced, compact
(15mmx15mm) and low profile (3.5mm) over-molded QFN
Package Module suitable for automated assembly by
standard surface mount equipment. The ISL8201M is Pb-free
(RoHS compliant).
Typical Schematic
(+5V/+12V)
or
(+6.5V to 14.4V) C PVC C
P VCC
Features
? Complete Switch Mode Power Supply
? Bias Voltage Range from +4.5 to +14.4V
- Wide Input Voltage Range from 1V up to 20V (see
“Input Voltage Considerations” on page 11)
? 10A DC Output Current, 17A Peak Output Current
? Adjustable +0.6V to +5V Output Range
? Up to 95% Efficiency
? Simple Voltage Mode Control
? Fixed 600kHz Switching Frequency
? Fast Transient Response
? Enable Function Option
? Pre-biased Output Start-up Capability
? Internal Soft-Start
? Overcurrent Protection by Low-Side MOSFET r DS(ON)
Sensing (Non-Latching, Auto-Recovery)
? Small Footprint, Low Profile Surface Mount QFN Package
(15mmx15mmx3.5mm)
? Pb-Free (RoHS Compliant)
Applications
? Servers
? Industrial Equipment
? Point of Load Regulation
C OMP/EN PVCC V IN
VIN ISL8201M
V IN
V IN
(+4.5V to +20V)
C IN F B P HASE
VO U T
C IN
OUT
(+5V / +12V)
1.8V
10A
C O UT
? Other General Purpose Step-Down DC/DC
? Telecom and Datacom Applications
ISL8201M
V OUT
R FB
I SEN
P GND
PG ND
V OUT
FB
C OUT R FB
4.87k
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2009, 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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