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IFX91041 Datasheet(PDF) 9 Page - Infineon Technologies AG

No. de pieza IFX91041
Descripción Electrónicos  1.8A DC/DC Step-Down Voltage Regulator 5.0V, 3.3V or Adjustable Output Voltage
PDF  17 Pages
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Fabricante Electrónico  INFINEON [Infineon Technologies AG]
Página de inicio  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

IFX91041 Datasheet(HTML) 9 Page - Infineon Technologies AG

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IFX91041
Buck Regulator
Data Sheet
9
Rev. 1.01, 2009-10-19
5.2.19
Charge pump switch-off threshold
V
BDS -
V
BUO
––
5
V
(
V
BDS - VBUO) increasing
5.2.20
Maximum duty cycle
D
max
––
100
%
3)
5.2.21
Soft start ramp
t
start
350
500
750
µs
V
FB rising from 5% to
95% of
V
FB,nom
5.2.22
Input under voltage shutdown
threshold
V
S,off
3.75
–
–
V
V
S decreasing
5.2.23
Input voltage startup threshold
V
S,on
–
–
4.75
V
V
S increasing
5.2.24
Input under voltage shutdown
hysteresis
V
S,hyst
150
–
–
mV
–
1) Not subject to production test, application related parameter
2) Not subject to production test; specified by design.
3) Consider “Chapter 4.2, Functional Range”
Electrical Characteristics: Buck Regulator
V
S = 6.0 V to 40 V, Tj = -40 °C to +125 °C, all voltages with respect to ground (unless otherwise specified)
Pos.
Parameter
Symbol
Limit Values
Unit Conditions
Min.
Typ.
Max.



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