Datasheet

PG-DSO-8
PG-DSO-14
PG-SSOP-14 exposed pad
Type Package Marking
TLE42794G PG-DSO-8 42794G
TLE42794GM PG-DSO-14 42794GM
TLE42794E PG-SSOP-14 exposed pad 42794E
Data Sheet 2 Rev. 1.1, 2008-10-09
TLE42794Low Dropout Fixed Voltage Regulator
1Overview
Features
• Output Voltage 5 V ± 2%
• Ouput Current up to 150 mA
• Very low Current Consumption
• Early Warning
• Power-on and Undervoltage Reset with Programmable Delay Time
• Reset Low Down to V
Q
= 1 V
• Adjustable Reset Threshold
• Very Low Dropout Voltage
• Output Current Limitation
• Reverse Polarity Protection
• Overtemperature Protection
• Suitable for Use in Automotive Electronics
• Wide Temperature Range from -40 °C up to 150 °C
• Input Voltage Range from -42 V to 45 V
• Green Product (RoHS compliant)
• AEC Qualified
Description
The TLE42794G is a monolithic integrated low dropout voltage
regulator, especially designed for automotive applications. An input
voltage up to 45 V is regulated to an output voltage of 5.0 V. The
component is able to drive loads up to 150 mA. It is short-circuit
protected by the implemented current limitation and has an integrated
overtemperature shutdown. A reset signal is generated for an output
voltage V
Q,rt
of typically 4.65 V. This threshold can be decreased by
an external resistor divider. The power-on reset delay time can be
programmed by the external delay capacitor. The additional sense
comparator provides an early warning function: Any voltage (e.g. the
input voltage) can be monitored, an under-voltage condition is indicated
by setting the comparator’s output to low. If pull-up resistors are desired
at the outputs of the reset and the sense comparator, the TLE42694 with
integrated pull-up reistors can be used instead of the TLE42794.