Datasheet > DCH0515D

DCH0515D

更新时间： 2024-02-29 18:49:22

品牌	Logo	应用领域
CRANE		转换器输出元件输入元件
页数	文件大小	规格书
4页	208K
描述
DC/DC CONVERTERS 5 OR 28 VOLT INPUT

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DCH0515D 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.6	Base Number Matches：	1

DCH0515D 数据手册

DCH SERIES

3 WATT

DC/DC CONVERTERS

OR 28 VOLT NPUT

Features

NOT RECOMMENDED FOR NEW DESIGNS

•

–55°C to 100°C

5 or 28 VDC input

Fully isolated

MODELS

VDC OUTPUT

Output regulated from input side

100 kHz typical switching frequency

SINGLES

DUALS

Topology – Push-Pull DC/DC Converter

Up to 75% efficiency

±12

±15

No minimum load

Output capacitor suggested

Size (max.):

0.975 x 0.800 x 0.350 inches (24.77 x 20.32 x 8.89 mm)

See case A3 for dimensions.

Weight:

20 grams typical

Screening:

Standard or ES. See “100°C Non-QML Products

– Environmental Screening (Standard & ES)” screening table for

screening options.

DESCRIPTION

Figure 1 shows a standard connection scheme for a dual output

model. Users may also elect to use a dual output device to provide a

single output at double the rated output voltage. The double voltage

connection is achieved by leaving the normal output common pin (Pin

15) unconnected and using either the positive or negative Vout pin for

the output common connection.

The DCH Series™ offers isolated, unregulated DC/DC converters

with up to 3 watts of output power in a low profile (0.350 max.) metal

package. Single and dual output models are available with input volt-

ages of 5 or 28 VDC. DCH Series converters operate over a –55°C to

+100°C temperature range.

DCH Series converters use a non-saturating core circuit operating at

a frequency of approximately 100 kHz, which reduces reflected input

ripple and minimizes EMI/RFI problems. For applications requiring

MIL-STD-461C, CEO3, reflected input ripple levels, refer to Section B5

or contact your Interpoint representative for matching EMI filters.

On all DCH Series models, a tantalum capacitor with a minimum

value of 22 μF and an appropriate voltage rating should be connected

between the output common and the output line(s) to minimize output

ripple.

Positive

Input

Positive

Output

FIGURE 1:

DUAL DCH CONVERTER

WITH EXTERNAL CAPACITORS

Load

28 V

Output Common

Input

Common

Negative

Output

Typical Performance Curves: 25°C Tc, nominal Vin

Efficiency

DCH2805S

Output Current vs Output Voltage

DCH2805S

FIGURE 2

FIGURE 3

12 3 4

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