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PDF TLE4476D Data sheet ( Hoja de datos )
| Número de pieza | TLE4476D | |
| Descripción | Dual Low-Drop Voltage Regulator | |
| Fabricantes | Infineon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TLE4476D (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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Dual Low Drop Voltage Regulator
TLE 4476
Features
• Output 1: 350 mA; 3.3 V ± 4%
• Output 2: 430 mA; 5.0 V ± 4%
• Enable input for output 2
• Low quiescent current in OFF state
• Wide operation range: up to 42 V
• Reverse battery protection: up to 42 V
• Output protected against short circuit
• Wide temperature range: -40 °C to 170 °C
• Overvoltage protection up to 65 V (< 400 ms)
• Overtemperature protection
• Overload protection
• Green Product (RoHS compliant)
• AEC Qualified
P-TO252-5-11
Functional Description
The TLE 4476 is a monolithic integrated voltage regulator providing two output voltages,
Q1 is a 3.3 V output for loads up to 350 mA and Q2 is a 5 V output providing 430 mA.
The device is available in the PG-TO252-5-11 (D-Pak) package. Output 2 can be
switched ON/OFF via the Enable input EN.
The TLE 4476 is designed to supply microprocessor systems under the severe
conditions of automotive applications and is therefore equipped with additional
protection functions against overload, short circuit and overtemperature.
Type
TLE 4476 D
Data Sheet
Package
PG-TO252-5-11
1
Rev. 2.5, 2007-03-20
1 page  
TLE 4476
Table 3
Operating Range
Parameter
Symbol Limit Values Unit Remarks
Output 1 input voltage
Output 2 input voltage
3.3 V regulator
output current
Min. Max.
VI1 4.5 42 V 1)
VI1 5.7 42 V 2)
IO1 0
350 mA –
5 V regulator
output current
Junction temperature
Thermal Resistances
IO2 0
430 mA –
Tj -40 170 °C 3)
Junction case
Rth,j-case – 3 K/W –
Junction ambient
Rth,j-a
–
80 K/W 4)
1) Input voltage VI required for operation of output Q1
2) Input voltage VI required for operation of output Q2
3) The overtemperature protection is set to > 170 °C. The voltage regulator may not be operated continuously at
170 °C as device reliability will be reduced to 500 h statistic lifetime.
4) Worst case regarding peak temperature, zero airflow; mounted on a PCB 80 × 80 × 1.5 mm3, 35 μm Cu,
5 μm Sn, heat sink area 300 mm2.
Note: In the operating range the functions given in the circuit description are fulfilled.
Data Sheet
5 Rev. 2.5, 2007-03-20
5 Page 
TLE 4476
Current Consumption Iq
versus Output Current IQ1
20
Iq mA
AED02850
10
5
0 0 50 100 150 200 mA 250
I Q1
Output Voltage VQ1 versus
Input Voltage VI
6
VQ1 V
5
AED02852
4
3
2
1
0
0 5 10 15 20 V 25
VI
Current Consumption Iq
versus Output Current IQ2
30
Iq mA
25
AED02851
20
15
10
5
0 0 100 200 300 mA 400
I Q2
Output Voltage VQ2 versus
Input Voltage VI
6
VQ2 V
5
AED02853
4
3
2
1
0
0 5 10 15 20 V 25
VI
Data Sheet
11 Rev. 2.5, 2007-03-20
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TLE4476D.PDF ] | |
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