GS175T48-15E 查看數據表（PDF） - STMicroelectronics

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GS175T48-15E

120W/175W DC-DC CONVERTERS FAMILY

STMicroelectronics 

GS120/175T48 FAMILY

USER NOTES

Reflected Input Current

The reflected input current measurement (lir, see Electrical Characteristics) is performed according to the

test set-up of fig. 2.

Figure 2.

Softstart

To avoid heavy inrush current the output voltage

rise time is 10ms maximum in any condition of load.

Remote Sensing

The remote voltage sense compensation range is

for a total drop of 0.6V 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 3, 4, 5, 6.

Remote ON/OFF

The module is controlled by the voltage applied

between the ON/OFF pin and -IN pin.

The converter is ON (Enable) when the voltage

applied is lower than 1.2 V (see Vien on Electrical

Characteristics).

The converter is OFF (Inhibit) for a control voltage

in the range of 8 to 18V (see Viinh).

When the pin is unconnectedthe converter is OFF.

Maximum sinking current is 1mA.

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 type of loads.

A crowbar output overvoltage protectionis activated

when the output voltage exceeds the specified

values (see Electrical Characteristics).

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 connection diagram on figures 3, 4, 5, 6.

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