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PDF IFX21401 Data sheet ( Hoja de datos )
| Número de pieza | IFX21401 | |
| Descripción | Low Dropout Voltage Tracking Regulator | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IFX21401 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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IFX21401
Low Dropout Voltage Tracking Regulator
IFX21401MB
Data Sheet
Rev. 1.01, 2009-10-19
Standard Power
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
IFX21401
General Product Characteristics
4.2 Functional Range
Pos. Parameter
Symbol Limit Values Unit Conditions
Min. Max.
4.2.1
4.2.1
Input Voltage
Adjust / Enable Input Voltage
(Voltage Tracking Range)
VI
VADJ/EN
4
2.5
40
36
V–
V–
4.2.2 Junction Temperature
Tj
-40 125
°C –
4.2.3 Output Capacitor Requirements CQ
1–
µF – 1)
4.2.4
ESRCQ –
3
Ω – 2)
1) The minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%
2) relevant ESR value at f = 10 kHz
Note: Within the functional range the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the related electrical characteristics table.
4.3 Thermal Resistance
Pos. Parameter
Symbol
Limit Value
Unit Conditions
Min. Typ. Max.
4.3.5
4.3.1
Junction to Ambient
RthJA
–
–
81 –
217 –
K/W 2s2p board1)
K/W Footprint only2)
4.3.2
– 117 – K/W 300 mm2 PCB heatsink
area2)
4.3.3
– 103 – K/W 600 mm2 PCB heatsink
area2)
4.3.4 Junction to Soldering Point RthJSP
–
30 –
K/W Pins 2, 5 fixed to TA
1) Specified RthJA value is according to JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The product
(chip+package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm Cu).
Where applicable a thermal via array under the package contacted the first inner copper layer.
2) Package mounted on PCB FR4; 80 x 80 x 1.5 mm; 35 µm Cu, 5 µm Sn; horizontal position; zero airflow.
Not subject to production test; specified by design.
Data Sheet
5 Rev. 1.01, 2009-10-19
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
IFX21401
Electrical Characteristics
Typical Performance Characteristics Tracking Regulator
VADJ/EN = 5 V (unless otherwise noted)
Reverse Output Current IQ vs.
Output Voltage VQ
+0.5
IQ-V Q.vsd
Reverse Current II vs.
Input Voltage VI
+0.5
IQ [mA]
VI = 0 V
V ADJ = 5 V
II [mA]
VQ = 0 V
VADJ = 5 V
II-V I.vsd
-0.5 -0.5
-1 -1 Tj = -40 °C
Tj = -40 °C
-1.5 -1.5 Tj = 150 °C
Tj = 150 °C
-2
-2
0 8 16 24 32
VQ [V]
Power Supply
Ripple Rejection PSRR
60
PSRR
[dB]
P S RR.vsd
IQ = 5 mA
40
30
20
VRIPPLE = 1 V
10
VIN = 13.5 V
CQ = 2.2 µF Ceramic
Tj = 25 °C
0.01
0.1
1
10 100
f [kHz]
-32 -24 -16
-8 0
VI [V]
Data Sheet
11
Rev. 1.01, 2009-10-19
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet IFX21401.PDF ] | |
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