DC/DC Voltage Regulator (Industrial)

Product Brief
DC/DC Voltage Regulators
High-Efficiency Switching Converters
Infineon Technologies offers DC/DC converters fitting a broad range of industrial applications. By leveraging our long standing and market leading experience in automotive
power supplies applications, we are expanding our portfolio to provide supply solutions to our customer’s current and future application needs.
Applications
automation
„„ Building management
„„ Battery chargers
„„ Metering systems
„„ Motor drives
„„ Industrial
www.infineon.com/industrial-standard
At a Glance
Key Features
„„ Wide supply voltage
operation range
„„ Low current consumption
„„ Current limitation and
overtemperature protection
„„ Enable, soft start, sync features
Key Benefits
„„ High-efficiency
regulation
inexpensive passive
components
„„ Stable regulation with small external compensation
„„ For preregulation in pre/post power
supply solutions
„„ Few
Product Brief
DC/DC Voltage Regulators
High-Efficiency Switching Converters
Application Diagram IFX90121
DIN
VS
LIN
CIN1
CIN2
CIN3
LIN, CIN1 and CIN3 recommended for
suppression of EME,
DIN depending on application
VS
IFX90121
Overtemperature
Shutdown
EN
Enable
Buck Control
LOUT
SWO
DCatch
FREQ
Oscillator
SYNC
VCC
COUT
Int.
Supply
R5
FB
Bandgap
Reference
Soft Start Ramp
Generator
GND
Product Summary
Product
Regulator Type
Temperature Output
Range
Voltage
[°C]
[V]
Output
Current
[mA]
fsw
[MHz]
Quiescent
Current
[µA]
Enable
(Y/N)
Reset
Early
Maximum Input
Warning Voltage (Range)
[V]
Accuracy
Output Voltage
[%]
Over
Package
Temperature
Protection
IFX80471SK V/V501)
Buck Controller
-40 … 125
Adj./5.0
2,300
0.36
2
Y
Y
Y
5.0–60
3
Y
PG-DSO-14
IFX81481ELV1)
Synchronous
Buck Controller
-40 … 125
Adj.
10,000
0.7
2
Y
N
N
4.75–45
2
Y
PG-SSOP-14
IFX90121ELV50
Buck Regulator
-40 … 125
5.0
500
2.2
2
Y
N
N
4.75–45
2
Y
PG-SSOP-14
IFX91041EJ V/V33/V50
Buck Regulator
-40 … 125
Adj./3.3/5.0
1,800
0.37
2
Y
N
N
4.75–45
2
Y
PG-DSO-8-EP
1) with external MOSFET
All our devices are especially designed for use in harsh environments.
Green products (RoHS compliant) meet the world-wide customer require-
Our robust design approach ensures delamination-free ICs and
ments foe being environmentally friendly products and to be compliant
long-term reliability.
with government regulations. Green products are RoHS-Compliant.
Published by
Infineon Technologies AG
85579 Neubiberg, Germany
© 2013 Infineon Technologies AG.
All Rights Reserved.
Visit us:
www.infineon.com
Order Number: B124-H9526-G1-X-7600
Date: 09 / 2013
Attention please!
The information given in this document shall in no event
be regarded as a guarantee of conditions or characteristics
(“Beschaffenheitsgarantie”). With respect to any examples
or hints given herein, any typical values stated herein and/
or any information regarding the application of the device,
Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation
warranties of non-infringement of intellectual property
rights of any third party.
Information
For further information on technology, delivery terms and
conditions and prices please contact your nearest Infineon
Technologies Office (www.infineon.com).
Warnings
Due to technical requirements components may contain
dangerous substances. For information on the types in
question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only
be used in life-support devices or systems with the express
written approval of Infineon Technologies, if a failure of
such components can reasonably be expected to cause
the failure of that life-support device or system, or to affect
the safety or effectiveness of that device or system. Life
support devices or systems are intended to be implanted
in the human body, or to support and/or maintain and
sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons
may be endangered.
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