Datasheet > 1S7A_1209S1RP

1S7A_1209S1RP

更新时间： 2022-05-14 22:14:53

品牌	Logo	应用领域
GAPTEC		/
页数	文件大小	规格书
3页	604K
描述
1W Single Output - Fixed Input - Isolated & Regulated SIP PACKAGE

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1S7A_1209S1RP 数据手册

1S7A_R Series

1W Output Dual Output - Fixed Input - Isolated & Regulated

SIP PACKAGE

Mechanical Dimensions

Tube Outline

Note:

Unit: mm[inch]

General tolerances: 0.50mm [ 0.020inch]

L=530mm [20.866inch]

Tube Quantity: 25pcs

L=220mm [8.661inch]

Tube Quantity: 10pcs

Note:

Unit: mm[inch]

Pin section tolerances: 0.10mm [ 0.004inch]

General tolerances: 0.25mm [ 0.010inch]

Application note

1) Requirement on output load

To ensure this module can operate efﬁciently and reliably, During opera-

tion, the minimum output load could not be less than 10% of the full

load. If the actual output power is very small, please connect a resistor

with proper resistance at the output end in parallel to increase the load,

or use our company’s products with a lower rated output power.

Vin

(VDC)

Cin

(uF)

Single Vout

(VDC)

Cout

(uF)

4.7

2.2

4.7

2.2

2) Recommended testing and application circuit

If you want to further decrease the input/output ripple, an “LC” ﬁltering

network may be connected to the input and output ends of the DC/DC

converter, see (Figure 1).

0.47

3) Input Over-voltage Protection Circuit

The simplest device for output voltage regulation, over-voltage and over-

current protection is a linear voltage regulator with overheat protection

that is connected to the input or output end in series (Figure 2).

4) Overload Protection

Figure 1

It should also be noted that the inductance and the frequency of the

“LC” ﬁltering network should be staggered with the DC/DC frequency to

avoid mutual interference. However, the capacitance of the output ﬁlter

capacitor must be proper. If the capacitance is too big, a startup prob-

lem might arise. For every channel of output, provided the safe and reli-

able operation is ensured, the greatest capacitance of its ﬁlter capacitor

sees (Table 1).

Figure 2

Under normal operating conditions, the output circuit of these products

has no protection against over-current. The simplest method is to con-

nect a self-recovery fuse in series at the input end or add a circuit brea-

ker to the circuit.

5) No parallel connection or plug and play

Page 3 of 3

1S7A_R – Rev. 2012-1.0

GAPTEC-Electronic GmbH & Co. KG

sales@gaptec-electronic.com – www.gaptec-electronic.com

Speciﬁcations subject to change without notice.

1 23

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