GS-R1005 Просмотр технического описания (PDF) - STMicroelectronics

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GS-R1005

50W STEP-DOWN SWITCHING REGULATOR

STMicroelectronics 

GS-R1005

USER NOTES

Input Voltage

The recommended operating maximum DC input

voltage is 36V inclusive of the ripple voltage. The

use of an external low ESR, high ripple current

capacitor located as close the module as possible

is mandatory; recommended value is 470µF/50V.

Softstart

To avoid heavy inrush current the output voltage

rise time is typically 15ms in any condition of load.

Remote Sensing

The remote voltage sense compensation range is

for a total drop of 500mV equally shared between

the load connecting wires. It is a good practice to

shield the sensing wires to avoid oscillations. See

the connection diagram on figures 1, 2, 3, 4.

Parallel Operation

To increase available output regulated power, the

module features the parallel connection possibility

with equal current sharing and maximum deviation

of 10% (two modules in parallel). See the connec-

tion diagram on figures 1, 2, 3, 4.

Module Protection

The module is protected against occasional and

permanent shortcircuits of the output pins to

ground, as well as against output current overload.

It uses a current limiting protection circuitry, avoid-

ing latch-up problems with certain types of loads.

Figure 1.

Figure 2.

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