TLE4268GSNTMA1

TLE4268GSNTMA1 Datasheet

TLE 4268

Part	Datasheet
TLE4268GSNTMA1	TLE4268GSNTMA1 (pdf)

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5-V Low Drop Fixed Voltage Regulator TLE 4268 P-DSO-8-3, -6, -7, -8, -9 Functional Description This device is a 5-V low-drop fixed-voltage regulator. The P/PG-DSO-20-1,-6,-7,-9,-14,- maximum input voltage is 45 V. It can deliver an output current of at least 180 mA. The IC is short-circuit proof and features temperature protection that disables the circuit in the event of impermissibly high temperatures. The watchdog function is disabled as a function of the load, so that a controller is not interrupted during sleep mode by a watchdog reset. Application Description The IC regulates an input voltage VI in the range V < VI < 45 V to VQ,nom = V. In the event of an output voltage VQ < VRT, a reset signal is generated. The wiring of the reset switching threshold input enables the value of VRT to be reduced. The reset delay time can be adjusted using an external capacitor. The integrated watchdog monitors the connected active controller. If there is no rising edge at the watchdog input, the reset Type TLE 4268 GS TLE 4268 G Package PG-DSO-8-16 PG-DSO-20-35 Data Sheet TLE 4268 output is set to low. The reset delay capacitor provides a wide adjustment range for the pulse repetition time. The watchdog function is only activated if the load exceeds 8 mA. This ensures that a microcontroller is not activated during power-down and the current drain is not increased. The IC is protected against overload and overtemperature. PG-DSO-8-16 Ι1 N.C. 2 RO 3 GND 4 8Q 7W 6 RADJ 5D AEP01954 Figure 1 Pin Configuration top view Table 1 Pin 1 2 3 4 5 6 7 8 Pin Definitions and Functions Symbol Function Input voltage N.C. Not connected Reset output Ground Reset delay RADJI Reset switching threshold Watchdog input 5 V output voltage Data Sheet TLE 4268 PG-DSO-20-35

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5-V Low Drop Fixed Voltage Regulator

TLE 4268

P-DSO-8-3, -6, -7, -8, -9

Functional Description

This device is a 5-V low-drop fixed-voltage regulator. The

P/PG-DSO-20-1,-6,-7,-9,-14,-
maximum input voltage is 45 V. It can deliver an output
current of at least 180 mA. The IC is short-circuit proof
and features temperature protection that disables the
circuit in the event of impermissibly high temperatures. The watchdog function is
disabled as a function of the load, so that a controller is not interrupted during sleep
mode by a watchdog reset.

Application Description

The IC regulates an input voltage VI in the range V < VI < 45 V to VQ,nom = V. In the event of an output voltage VQ < VRT, a reset signal is generated. The wiring of the reset switching threshold input enables the value of VRT to be reduced. The reset delay
time can be adjusted using an external capacitor. The integrated watchdog monitors the connected active controller. If there is no rising edge at the watchdog input, the reset

Type TLE 4268 GS TLE 4268 G

Package PG-DSO-8-16 PG-DSO-20-35

Data Sheet

TLE 4268
output is set to low. The reset delay capacitor provides a wide adjustment range for the pulse repetition time. The watchdog function is only activated if the load exceeds 8 mA. This ensures that a microcontroller is not activated during power-down and the current drain is not increased. The IC is protected against overload and overtemperature.

PG-DSO-8-16
Ι1 N.C. 2 RO 3 GND 4
8Q 7W 6 RADJ 5D

AEP01954

Figure 1 Pin Configuration top view

Table 1 Pin 1 2 3 4 5 6 7 8

Pin Definitions and Functions

Symbol Function

Input voltage

N.C.

Not connected

Reset output

Ground

Reset delay

RADJI

Reset switching threshold

Watchdog input
5 V output voltage

Data Sheet

TLE 4268

PG-DSO-20-35

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Datasheet ID: TLE4268GSNTMA1 638739