RHFL6000A

Application information

DocID028379 Rev 2

19/31

9

Application information

pins. The R1 resistor must be connected between ADJ and ground. Resistor values can be

derived from the following formula:

where

A minimum load current of 0.5 mA must be set to ensure proper regulation under no-load

condition. It is advisable to make this current flow into the resistor divider.

For this reason, we suggest selecting an R1 value not higher than 10 k Ω.

The RHFL6000 flat16 package offers multiple input and output pins.

cannot be guaranteed.

The inhibit function switches off the output current very quickly. According to Lenz’s Law,

external circuitry reacts with LdI/dt terms which can be of high amplitude in case of serial

inductive elements or large stray PCB inductance. Large transient voltage would develop

on both device terminals. It is advisable to protect the device output with Schottky diodes to

prevent negative voltage excursions. A14 V Zener diode could protect the device input.

The input and output capacitors must be connected as close as possible to the device

terminals.

Since the RHFL6000A voltage regulator is manufactured with very high speed bipolar

with very low inductance and low mutually coupling lines. Otherwise, high frequency

parasitic signals may be picked up by the device resulting in system self-oscillation.

On the other hand, the benefit of this technology is SVR performance extended to high

frequencies.

V