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TLE 4267 is a 5-V low-drop voltage regulator in a TO220-7 package. It supplies an output current of > 400 mA. The IC is shortcircuit-proof and incorporates temperature protection that disables the IC at overtemperature.
TLE4267 Features
Features Output voltage tolerance £ ± 2 % Low-drop voltage Very low standby current consumption Input voltage up to 40 V Overvoltage protection up to 60 V (£ 400 ms) Reset function down to 1 V output voltage ESD protection up to 2000 V Adjustable reset time On/off logic Overtemperature protection Reverse polarity protection Short-circuit proof Wide temperature range Suitable for use in automotive electronics
TLE4267 Typical Application
Application The IC regulates an input voltage VI in the range 5.5 V < VI < 40 V to VQrated = 5.0 V. A reset signal is generated for an output voltage VQ of < 4.5 V. The reset delay can be set with an external capacitor. The device has two logic inputs. It is turned-ON by a voltage of > 4 V on E2 by the ignition for example. It remains active as a function of the voltage on E6, even if the voltage on E2 goes Low. This makes it possible to implement a selfholding circuit without external components. When the device is turned-OFF, the output voltage drops to 0 V and current consumption tends towards 0 mA.