TLE4264_08 Datasheet, PDF (2/11 Pages) Infineon Technologies AG – 5-V Low Drop Fixed Voltage Regulator Output voltage tolerance ≤ ±2%

TLE 4264
4
1
2
3
V_Ι
GND
V_Q
AEP01526
Figure 1 Pin Configuration (top view)
Table 1
Pin
1
2, 4
3
Pin Definitions and Functions
Symbol
Function
V_I
Input voltage; block to ground directly on IC with
ceramic capacitor
GND
Ground
V_Q
5-V output voltage; block to ground with ≥ 10 µF
capacitor, ESR ≤ 10 Ω
Circuit Description
The control amplifier compares a reference voltage, which is kept highly precise by
resistance adjustment, to a voltage that is proportional to the output voltage and drives
the base of the series transistor via a buffer. Saturation control, working as a function of
load current, prevents any over-saturation of the power element. The IC is protected
against overload, overtemperature and reverse polarity.
Data Sheet
2
Rev. 2.3, 2008-03-07