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PDF IFX4949SJ Data sheet ( Hoja de datos )

Número de pieza IFX4949SJ
Descripción 5V Low Drop Out Linear Voltage Regulator
Fabricantes Infineon 
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No Preview Available ! IFX4949SJ Hoja de datos, Descripción, Manual

IFX4949
5V Low Drop Out Linear Voltage Regulator
IFX4949SJ
Data Sheet
Rev. 1.0, 2012-05-07
StandardPower

1 page




IFX4949SJ pdf
3 Pin Configuration
3.1 Pin Assignment PG-DSO-8
IN
SI
PRE
D
1
2
3
4
Figure 2 Pin Configuration PG-DSO-8
8 OUT
7 SO
6 RO
5 GND
PG-DSO-8.vsd
IFX4949
Pin Configuration
3.2 Pin Definitions and Functions PG-DSO-8
Pin Symbol
Function
1 IN
Input; block to GND directly at the IC with a ceramic capacitor.
2 SI
Sense Input; if not needed connect to OUT
3 PRE
Preregulator Output;
4D
Reset Delay; to select delay time, connect to GND via capacitor.
5 GND
Ground
6 RO
Reset Output; open-collector output. Keep open, if not needed.
7 SO
Sense Output; open-collector output. Keep open, if not needed.
8 OUT
5-V Output; connect to GND with a capacitor ≥ 4.7μF, ESR < 10 Ω.1) 2)
1) For the usage of capacitors with very low ESR-values it is recommended to use a small 1Ω resistor in series.
2) Measured at f = 10kHz.
Data Sheet
5 Rev. 1.0, 2012-05-07

5 Page





IFX4949SJ arduino
IFX4949
4.5 Typical Performance Graphs
Typical Performance Characteristics
Equivalent Series Resistance ESR(COUT) versus
Output Current IOUT
Output Voltage VOUT versus
Junction Temperature TJ
100
COUT = 4.7µF
TJ = 25°C
VIN = 6..28V
10
Stable
Region
1
0,1
0 10 20 30 40 50 60 70 80 90 100
IOUT [mA]
5,20
5,15
VIN = 14V
IOUT = 1mA
5,10
5,05
5,00
4,95
4,90
4,85
4,80
-40
0 40 80
TJ [°C]
120
Output Voltage VOUT versus
Input Voltage VIN
6,00
5,00
TJ = 25°C
4,00
3,00
RL = 5kΩ
2,00
1,00
RL = 100Ω
0,00
0 2 4 6 8 10
VIN [V]
Dropout Voltage VDR versus
Output Current IOUT
0,4
TJ = 25°C
0,35
0,3
0,25
0,2
0,15
0,1
0,05
0
0 25 50 75
IOUT [mA]
100
Data Sheet
11 Rev. 1.0, 2012-05-07

11 Page







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