TLE4473G V53 Infineon Technologies, TLE4473G V53 Datasheet - Page 2

• Manufacturer Part Number: TLE4473G V53
• Description: IC REGULATOR LDO DUAL PDSO-12-6
• Manufacturer: Infineon Technologies

Specifications of TLE4473G V53

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V, 5V
• Voltage - Input: 5.6 ~ 42 V
• Voltage - Dropout (typical): -, 0.3V @ 100mA
• Number Of Regulators: 2
• Current - Output: 300mA (Max), 180mA (Max)
• Current - Limit (min): 350mA, 200mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: DSO-12
• Number Of Outputs: 2
• Polarity: Positive
• Input Voltage Max: 42 V
• Output Voltage: 3.3 V, 5 V
• Output Type: Fixed
• Dropout Voltage (max): 0.6 V at 100 mA
• Output Current: 300 mA, 180 mA
• Line Regulation: 20 mV
• Load Regulation: 50 mV
• Voltage Regulation Accuracy: 3 %
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Packages: PG-DSO-12
• Regulator Type: multiple output
• Accuracy: 3.0 %2.0 %
• Max. Output Current: 300mA180mA
• Dropout Voltage: 300mV
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SP000014118; SP000557254; TLE4473G V53; TLE4473G V53TR; TLE4473GV53NT; TLE4473GV53T

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.
Figure 1
Data Sheet
Ignition
V
µC
Bat
7
9
8
I
INH2
INH1
Block Diagram with Typical External Components
Reference
Bandgap
Inhibit
?1
Inhibit
Overtemperature
Shutdown
TLE 4473 GV53 / TLE 4473 GV52
6, 12
GND
Current and
Overcurrent
Current and
Overcurrent
Saturation
Protection
Saturation
Protection
Control,
Control,
2
Generator
Generator
Watchdog
Reset
Reset
AEB03507.VSD
RO2
RO1
Q2
Q1
D2
D1
WI
10
11
4
2
5
3
1
Rev. 1.0, 2004-07-14
TLE 4473 GV53
TLE 4473 GV52
100 nF
100 nF
10
µF
22 µF
or
10 µF
Watchdog
(from µC)
4.7 k
4.7 k
e. g. µC I/O
or Sensor
Supply
µC Core
Supply
µC
Reset
Ω
Ω