Datasheet > QD8E_0309S1U

QD8E_0309S1U

更新时间： 2024-11-10 02:42:55

品牌	Logo	应用领域
GAPTEC		/
页数	文件大小	规格书
5页	835K
描述
0.25W - Single Output DC-DC Converter - Fixed Input - Isolated & Unregulated

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QD8E_0309S1U 数据手册

QD8E_1U Series

0.25W - Single Output DC-DC Converter - Fixed Input - Isolated & Unregulated

DC-DC Converter

0.25 Watt

8 Pin DIL package

1KVDC Isolation

Eﬃciency up to 77%

EMI complies with EN55032

Class B

The QD8E_1U series is is a family of cost eﬀective 0.25W single output

DC-DC converters. These converters achieve low-cost and ultra-minia-

ture DIP8 pin size. Devices are encapsulated using ﬂame retardant resin.

Operation temperature range:

-40°C ~ +85°C

Industry Standard Pinout

Low ripple and noise

They are specially designed for applications where an isolated voltage is

required in a distributed power supply system. Such as: digit circuit con-

dition; normal low-frequency artiﬁcial circuit condition; relay drive cir-

cuit and data switching circuit condition, etc.

Common speciﬁcations

Cooling:

Output speciﬁcations

Free air convection

Item

Test condition

Min Typ

Max Units

Operation temperature range:

Storage temperature range:

Casing temperature:

Soldering temperature:

Storage humidity range:

Case material:

-40°C~+85°C

Output voltage

accuracy

See tolerance envelope

graph

-40°C ~+125°C

Line regulation

Load regulation

For Vin change of 1%

1.2

100°C MAX

20% to 100% load

• 3.3V output

• others

260°C MAX, 1.5mm from case for 10 sec.

< 95%

Ripple & Noise*

20MHz Bandwidth

100% full load

100

mVpk-pk

%/°C

Plastic [UL94-V0]

>1,121,000 hours

IEC 60950-1

Temperature drift

0.02

Pin material:

Switching frequency variable

KHz

Safety standard:

MTBF (MIL-HDFK-217F@25°C):

Weight:

ø0.5mm Brass solder-coated

1.8g

* Ripple and noise are measured by “parallel cable” method, please see DC-DC

Converter Application Notes for speciﬁc operation.

Input speciﬁcations

EMC speciﬁcations

Item

Test condition

Min

Typ

Max

Units

CE*

EN55032

CLASS B

Voltage range

EN55032

CLASS B

Reﬂected ripple

current*

mApk-pk

ESD

IEC/EN61000-4-2

IEC/EN61000-4-3

IEC/EN61000-4-4

IEC/EN61000-4-5

IEC/EN61000-4-6

IEC/EN61000-4-8

perf. Criteria A

Surge voltage

• 3.3VDC input

• 5VDC input

• 12VDC input

• 15VDC input

• 24VDC input

VDC

EFT**

Surge**

PFMF

Input ﬁlter

Filter capacitor

* Input ﬁlter components are required to help meet conducted emission class B,

which application refer to the EMI ﬁlter section.

** An external ﬁlter is required if the module hast to meet IEC61000-4-4 and

IEC61000-4-5.

* Measured with a simulated source inductance of 12µH and a source capacitor

Cin (47µF, ESR<1.0Ω at 100KHz).

Isolation speciﬁcations

Example SIP4 Case:

QD8E_0505S1U

Item

Test condition

Min

Typ

Max

Units

VDC

Q= 0,25 Watt; D8= DIP8; E= Pinning; 05= 5 Vin; 05= 5Vout;

S= Single Output; 1= 1kVDC Isolation; U= Unregulated Output

Isolation voltage

Tested for 1 minute

and 1mA max

1000

Isolation resistance

Test at 500VDC

1000

MΩ

Note:

Isolation capaci-

tance

Input-output,

100KHz/0.1V

1. Operation under minimum load will not damage the converter; However, they

may not meet all speciﬁcation listed, and that will reduce the life of product.

2. All speciﬁcations measured at Ta=25°C, humidity<75%, nominal input voltage

and rated output load unless otherwise speciﬁed.

3. Only typical models listed, other models may be diﬀerent, please contact our

technical person for more details.

4. In this datasheet, all the test methods of indications are based on corporate

standards.

Page 1 of 5

QD8E_1U – Rev. 2018-1.0

Speciﬁcations subject to change without notice.

GAPTEC-Electronic GmbH & Co. KG

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

12 3 4 5

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