Datasheet > WRF1224S-3WR2

WRF1224S-3WR2

更新时间： 2024-02-07 23:57:55

品牌	Logo	应用领域
金升阳 - MORNSUN		/
页数	文件大小	规格书
6页	1148K
描述
DC-DC Regulated Power Supply Module

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WRF1224S-3WR2 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.66
模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE	Base Number Matches：	1

WRF1224S-3WR2 数据手册

DC/DC Converter

WRE_S - 3WR2 & WRF_S - 3WR2 Series

Parameter description:

Model

FUSE

MOV

LDM1

Vin:5VDC

Vin:12VDC

Vin:24VDC

Vin:48VDC

Slow blown fuses according to the actual input current selections of the clients

S14K20

12μH

S20K30

μH

S14K60

12μH

330µF/50V

680µF/25V

330µF/100V

4.7µF/100V

4.7µF/50V

Refer to the Cout in Fig.2

CY1

1nF/3KV

RB160M-60/1A

V_C-V_D-1.0

R =

-300

I_C

In accordance with the formula:

47nF/100V

Notes:

① Part ① in Fig. 3 is used for EMS test while part ② is used for EMI filtering; and parts ① and ② may be selected based on needs.

② V_Cis the voltage of the Ctrl end relative to the GND of the input grounding; V_Dis the positive-going conduction pressure drop of D1; I_Cis the current flows

into the Ctrl end and its value is generally 5-10mA, see Fig. 3-③ for the peripheral circuit of Ctrl end;

③ If there is no recommended parameters, no external component is required.

3. Ctrl end

The modules are of normal output when the Ctrl end is suspended or of high resistance; the modules turn off when connecting with high

level (relative to the input grounding); notice that the current flows into the pin shall be 5 - 10mA, the modules will be permanently damaged

if the current exceeds its max. value (20mA in general).

The value of R can be derived as follows:

V_C-V_D-1.0

R =

-300

I_C

For Detailed parameter, please refer to EMC solution-recommended circuit in this manual.

4. Input current

When the electricity is provided by the unstable power supply, please make sure that the range of the output voltage fluctuation and the

ripple voltage of the power supply do not exceed the indicators of the modules. Input current of power supply should afford the flash startup

current of this kind of DC/DC module(see Fig. 5).

Generally: Vin= 5V series Iave =1315mA

Vin=12V series lave =631mA

Vin=24V series lave =303mA

Vin=48V series lave =158mA

Iave

Input Voltage

scope

Input Voltage (V)

Fig. 5

5. Output load requirements

When using, the minimum load of the module output should not be less than 5% of the nominal load.In order to meet the performance

parameters of this datasheet, please connect a 5% dummy load in parallel at the output end, the dummy load is generally a resistor, please

note that the resistor needs to be used in derating.

6. For more information please find DC-DC converter application notes on www.mornsun-power.com

2016.01.25-B/0

Page 5 of 6

MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

1 2 3 456

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