Siemens 5-V Low-Drop Fixed-Voltage Regulator TLE 4264 G Manual and User Guide

TLE 4264 G

5-V Low-Drop Fixed-Voltage Regulator TLE 4264 G

Features Output voltage tolerance ≤ ± 2 % Low-drop voltage Very low current consumption Overtemperature protection Short-circuit proof Suitable for use in automotive electronics Reverse polarity

P-SOT223-4-1

Type Ordering Code Package TLE 4264 G Q67006-A9139 P-SOT223-4-1 (SMD)

Functional Description TLE G is a 5-V low-drop fixed-voltage regulator in an SOT-223 package. The IC

regulates an input voltage VI in the range 5.5 V < VI < 45 V to VQrated = 5.0 V. The

maximum output current is more than 120 m A. This IC is shortcircuit-proof and features temperature protection that disables the circuit at overtemperature.

Dimensioning Information on External Components The input capacitor Ci is necessary for compensating line influences. Using a resistor of approx. 1 Ω in series with Ci, the oscillating of input inductivity and input capacitance can be clamped. The output capacitor CQ is necessary for the stability of the regulating

circuit. Stability is guaranteed at values CQ ≥ 10 µF and an ESR ≤ 10 Ω within the

operating temperature range.

Semiconductor Group 1998-11-01