Datasheet > Q24S30020-NS00G

Q24S30020-NS00G

更新时间： 2024-02-25 23:29:36

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Q24S30020-NS00G 数据手册

Q24S30020 DC-DC Converter Data Sheet

18-36 VDC Input, 2.0 VDC @ 30 A Output

load. Therefore, the designer must, if necessary, decrease

the maximum current (originally obtained from the derating

curves) by the same percentage to ensure the converter’s

actual output power remains at or below the maximum al-

lowable output power.

Family

Vin (+)

ON/OFF

Vin (-)

Vout (+)

SENSE (+)

TRIM

Converter

(Top View)

R _T-INCR

Rload

Vin

SENSE (-)

Vout (-)

Output Voltage Adjust /TRIM (Pin 6)

Fig. 4: Configuration for increasing output voltage.

The converter’s output voltage can be adjusted up 10% or

down 20% relative to the rated output voltage by the addition

of an externally connected resistor.

RTDECR  Required value of trim-down resistor [k]

and Δ is as defined above.

The TRIM pin should be left open if trimming is not being

used. To minimize noise pickup, a 0.1 µF capacitor is con-

nected internally between the TRIM and SENSE(-) pins.

Note: The above equations for calculation of trim resistor

values match those typically used in conventional industry-

standard quarter bricks.

To increase the output voltage, refer to Fig. 4. A trim resistor,

_T-INCR, should be connected between the TRIM (Pin 6) and

SENSE(+) (Pin 7), with a value of:

Family

Vin (+)

ON/OFF

Vin (-)

Vout (+)

SENSE (+)

TRIM

Converter

5.11(100  Δ)V^O^NOM 626

RTINCR



 10.22 [k]

(Top View)

1.225Δ

Rload

where,

Vin

R_T-DECR

SENSE (-)

Vout (-)

RTINCR  Required value of trim-up resistor k]

VONOM  Nominal value of output voltage [V]

(V^O-REQ V^O-NOM)

Fig. 5: Configuration for decreasing output voltage.

Δ 

X 100 [%]

V^{O -NOM}

Trimming/sensing beyond 110% of the rated output voltage

is not an acceptable design practice, as this condition could

cause unwanted triggering of the output over-voltage protec-

tion (OVP) circuit. The designer should ensure that the dif-

ference between the voltages across the converter’s output

pins and its sense pins does not exceed 0.20 V, or:

VOREQ  Desired (trimmed) output voltage [V].

When trimming up, care must be taken not to exceed the

converter‘s maximum allowable output power. See previous

section for a complete discussion of this requirement.

[VOUT()  VOUT()][VSENSE()  VSENSE()]  0.20 [V]

To decrease the output voltage (Fig. 5), a trim resistor, R_T-

_DECR, should be connected between the TRIM (Pin 6) and

SENSE(-) (Pin 5), with a value of:

This equation is applicable for any condition of output sens-

ing and/or output trim.

511

RTDECR



 10.22 [k]

where,

MCD10218 Rev. 1.0, 23-Aug-10

Page 6 of 14

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Q24T15050-NBA0G	BEL	DC-DC Regulated Power Supply Module, 1 Output, 75W, Hybrid,	获取价格
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