Datasheet > PEM1-S5-D24-S

PEM1-S5-D24-S

更新时间： 2022-02-26 09:29:08

品牌	Logo	应用领域
CUI		DC-DC转换器
页数	文件大小	规格书
6页	548K
描述
DC-DC CONVERTER

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PEM1-S5-D24-S 数据手册

CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER

date 03/19/2013 │ page 5 of 6

APPLICATION NOTES

1. Output load requirement

To ensure this module can operate efﬁciently and reliably, the minimum output load may not be less than 10% of the full load during

operation. If the actual output power is low, connect a resistor at the output end in parallel to increase the load.

2. Overload Protection

Under normal operating conditions, the output circuit of this product has no protection against overload. The simplest method to add

this is to add a circuit breaker to the circuit.

3. Recommended circuit

If you want to further decrease the input/output ripple, you can increase the capacitance accordingly or choose capacitors with low

ESR (see Figure 1). However, the capacitance of the output ﬁlter capacitor must be appropriate. If the capacitance is too high, a

startup problem might arise. For every channel of the output, to ensure safe and reliable operation, the maximum capacitance must

be less than the maximum capacitive load (see Table 1).

Single Output

+Vo

Vin

GND

Cout

Cin

DC DC

Figure 1

Dual Output

Vin

+Vo

Cout

Cin

GND

Vin

(Vdc)

Cin

(µF)

Single Vo

(Vdc)

Cout

Dual Vo

(Vdc)

Cout

(µF)

2.2

4.7

2.2

±5

4.7

Table 1

±12

±15

±24

0.47

It’s not recommended to connect any external capacitors in applications with less than 0.5 watt output.

4. Output Voltage Regulation and Over-voltage Protection Circuit

The device for output voltage regulation, over-voltage and over-current protection is a linear regulator and a capacitor ﬁltering net-

work with overheat protection which can be connected to the input or output end in series (see Figure 2). The recommended capaci-

tance of its ﬁlter capacitor (see Table 1), and the linear regulator is based on the actual voltage and current required.

Single Output

+Vo

REG

Vin

REG

DC DC

GND

Figure 2

Dual Output

+Vo

REG

Vin

REG

GND

-Vo

Note:

1. Operation under minimum load will not damage the converter; however, they may not meet all speciﬁcations listed.

2. Max. capacitive load tested at input voltage range and full load.

3. All speciﬁcations measured at: Ta=25°C, humidity<75%, nominal input voltage and rated output load, unless otherwise speciﬁed.

cui.com

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