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Infineon Technologies Electronic Components Datasheet

TLE4473GV53 Datasheet

(TLE4473GV52 / TLE4473GV53) Dual Low Drop Voltage Regulator

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TLE4473GV53 pdf
Dual Low Drop Voltage Regulator
TLE 4473 GV53
TLE 4473 GV52
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Features
• Output 1: 300 mA, 3.3 V (±3%) or 2.6 V (±3%)
• Output 2: 180 mA, 5 V (±2%)
• Low quiescent current consumption
• Disable function separately for both outputs
• Wide operation range: up to 42 V
• Very low dropout voltage
• 2 independent reset circuits
• Watchdog
• Output protected against short circuit
• Wide temperature range: -40 °C to 150 °C
• Overtemperature protection
• Overload protection
P-DSO-12-2, -3, -6
Functional Description
The TLE 4473 is a monolithic integrated voltage regulator with two very low-drop
outputs, Q1 for loads up to 300 mA and Q2 providing a maximum of 180 mA. An input
voltage in the range of 5.6 V VI 45 V is transformed to VQ2 = 5.0 V (±2%) and
VQ1 = 3.3 V ±3% (TLE 4473 GV53) or VQ1 = 2.6 V ±3% (TLE 4473 GV52). The device is
also available with dual 5 V output voltage, please refer to the TLE 4473 GV55 data
sheet. Two inhibit pins allow a flexible power management. Both outputs can
independently be enabled or disabled. Thus the current consumption of the application
can be reduced to a minimum. The quiescent current of the TLE 4473 with both outputs
disabled is < 1 µA. The TLE 4473 is designed to supply microprocessor systems and
sensors under the severe conditions of automotive applications and is therefore
equipped with additional protection functions against overload, short circuit and
overtemperature.
The device operates in the wide junction temperature range of -40 °C to 150 °C.
Type
TLE 4473 GV53
TLE 4473 GV52
Data Sheet
Ordering Code
Q67007-A9668
Q67007-A9683
1
Package
P-DSO-12-6
P-DSO-12-6
Rev. 1.0, 2004-07-14


Infineon Technologies Electronic Components Datasheet

TLE4473GV53 Datasheet

(TLE4473GV52 / TLE4473GV53) Dual Low Drop Voltage Regulator

No Preview Available !

TLE4473GV53 pdf
TLE 4473 GV53
TLE 4473 GV52
The low drop regulator features a reset with adjustable power on delay for each of the
outputs. In addition the output for the microcontroller supply comes up with a watchdog
in order to supervise a microcontroller.
VBat
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7I
TLE 4473 GV53 / TLE 4473 GV52
Overtemperature
Shutdown
Bandgap
Reference
Current and
Saturation
Control,
Overcurrent
Protection
Q2 4
10
µF
Reset RO2 2
Generator
e. g. µC I/O
or Sensor
Supply
4.7 k
µC 9 INH2
?1
Inhibit
D2 10
100 nF
Ignition
8 INH1
Inhibit
Current and
Saturation
Control,
Overcurrent
Protection
6, 12
GND
Q1 5
Reset RO1 3
Generator
22 µF
or
10 µF
µC Core
Supply
4.7 k
µC
Reset
Watchdog
WI 1
Watchdog
(from µC)
D1 11
100 nF
AEB03507.VSD
Figure 1 Block Diagram with Typical External Components
Data Sheet
2 Rev. 1.0, 2004-07-14


Part Number TLE4473GV53
Description (TLE4473GV52 / TLE4473GV53) Dual Low Drop Voltage Regulator
Maker Infineon Technologies
Total Page 15 Pages
PDF Download
TLE4473GV53 pdf
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