NGA10S15018DC

更新时间： 2024-01-20 06:44:14

品牌	Logo	应用领域
村田 - MURATA		转换器
页数	文件大小	规格书
5页	191K
描述
Non-Isolated Wide Input DC/DC Converters

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中文翻译

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数据手册

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NGA10S15018DC 数据手册

NGA Series

Non-Isolated Wide Input DC/DC Converters

GENERAL CHARACTERISTICS

Parameter

Switching frequency

Conditions

Min.

270

Typ.

300

Max.

330

Units

kHz

50% load change, 1.8V output types

50% load change, 2.5V output types

50% load change, 3.3V output types

50% load change, 5.0V output types

50% load change, 1.8V output types

50% load change, 2.5V output types

50% load change, 3.3V output types

50% load change, 5.0V output types

1.8V, 2.5V & 3.3V output types

90 (160)

84 (145)

83 (130)

75 (40)

64 (160)

86 (145)

84 (120)

74 (80)

4.0

Transient response Max.

over-shoot

mV (μs)

Transient response Max.

under-shoot

Under voltage lock out

5.0V output types

5.0

Start delay

ESD

V^INMin. to VIN Max.

100

400VDC from 100pF capacitor via 1500Ω resistance

Meets MIL-STD-833F method 3015.7

APPLICATION NOTES

External Capacitance

Test Circuit

External capacitors are necessary in order to guarantee stability and full paramet-

ric performance over the full line and load range. All parts have been tested and

characterised using the following values and test circuit.

Value

ꢀ7*/

ꢀ7065

/("

CIN

COUT

100μF, 50V

100μF, 10V

ꢀ

$^*/

$065

Voltage trimming

The trimming (adjust) input on the device allows output voltage adjustment to

within 5%¹of the desired VOUT using a resistor with a value determined by the

following equations.

$0..0/

Shutdown

$0..0/

When open circuit, the output will be +5V.

A resistor (R^D) between the trim pin and the output pin will adjust the output volt-

age between +5V to +1.8V.

When the shutdown pin is shorted to Common, the device’s output will be dis-

abled. To shutdown the device the pin should be taken below 0.8V using either an

open collector pull down or by using isolated delay contacts. To enable the device

output the shutdown pin should be left ﬂoating or taken no lower than +1.5V to a

maximum of (+28V).

= (22 [1.028VO-1])^-1-0.011

ꢀ7*/

ꢀ7065

If the shutdown pin is to be connected to a long wire, it is recommended that a

capacitor (10nF) decouples the shutdown pin to Common in order to avoid the risk

of injecting noise into the device circuit.

/("

3^%

7^"%+

$PNNPO

A resistor (R^U) between the trim pin and the Common pin will adjust the device

output from +5V to +5.5V.

/("

R^U

(1.02VO)-1

(

)

-0.0455

0''

#$ꢁꢂꢃꢄPSꢄFRVJW

ꢀ7*/

ꢀ7065

/("

55-

ꢁꢅO'

ꢆPQUJPOBMꢇ

ꢁ,û

7^"%+

3⁶

$PNNPO

All speciﬁcations typical at T =25°C, nominal input voltage and rated output current unless otherwise speciﬁed.

1. Accuracy of adjustment is subject to tolerance of resistors and initial output accuracy.

www.murata-ps.com

Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232

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