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IFX91041 Datasheet(PDF) 13 Page - Infineon Technologies AG

Part # IFX91041
Description  1.8A DC/DC Step-Down Voltage Regulator 5.0V, 3.3V or Adjustable Output Voltage
PDF  17 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

IFX91041 Datasheet(HTML) 13 Page - Infineon Technologies AG

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IFX91041
Application Information
Data Sheet
13
Rev. 1.01, 2009-10-19
8.4
IFX91041EJV50, IFX91041EJV33 with fixed Output Voltage
Figure 5
Application Diagram IFX91041EJV50 or IFX91041EJV33
Note: This is a very simplified example of an application circuit. The function must be verified in the real application
VBatt
VOUT
D1
LI
22…47µH
Ignition Key
Terminal 15
LBU
CBU1
DBU
47µH
100µF
CBU2
220nF
220nF
CBOT
8
2
GND
Enable
Oscillator
7
4
Buck
Converter
6
FB
BUO
3
COMP
IFX91041EJV50
IFX91041EJV33
1
SYNC
5
BDS
EN
VS
Over
Temperature
Shutdown
Feedforward
Soft start ramp
generator
Bandgap
Reference
CCOMP
Charge Pump
RCOMP



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