Datasheet > Q24S25033-NDA0G

Q24S25033-NDA0G

更新时间： 2024-02-21 01:40:07

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
14页	392K
描述
DC-DC Regulated Power Supply Module, 1 Output, Hybrid,

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Q24S25033-NDA0G 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	风险等级：	5.73
模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE	最大输入电压：	36 V
最小输入电压：	18 V	标称输入电压：	24 V
JESD-30 代码：	R-XDMA-P8	JESD-609代码：	e4
功能数量：	1	输出次数：	1
端子数量：	8	最大输出电压：	3.63 V
最小输出电压：	2.64 V	标称输出电压：	3.3 V
封装主体材料：	UNSPECIFIED	封装形状：	RECTANGULAR
封装形式：	MICROELECTRONIC ASSEMBLY	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	表面贴装：	NO
技术：	HYBRID	端子面层：	GOLD OVER NICKEL
端子形式：	PIN/PEG	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	微调/可调输出：	YES
Base Number Matches：	1

Q24S25033-NDA0G 数据手册

Q24T25033 18-36 Vdc Input, 25 A, 3.3 Vdc Output

Data Sheet

Protection Features

Input Under-Voltage Lockout

Safety Requirements

Input under-voltage lockout is standard with this converter.

The converter will shut down when the input voltage drops

below a pre-determined voltage.

The converters meet North American and International

safety regulatory requirements per UL60950 and EN60950.

Basic Insulation is provided between input and output.

The input voltage must be at least 17.5 V for the converter to

turn on. Once the converter has been turned on, it will shut

off when the input voltage drops below 15 V. This feature is

beneficial in preventing deep discharging of batteries used in

telecom applications.

To comply with safety agencies requirements, an input line

fuse must be used external to the converter. A 10-A fuse is

recommended for use with this product.

Electromagnetic Compatibility (EMC)

Output Over-Current Protection (OCP)

EMC requirements must be met at the end-product system

level, as no specific standards dedicated to EMC character-

istics of board mounted component dc-dc converters exist.

However, di/dt tests its converters to several system level

standards, primary of which is the more stringent EN55022,

Information technology equipment - Radio disturbance char-

acteristics - Limits and methods of measurement.

The converter is protected against over-current or short cir-

cuit conditions. Upon sensing an over-current condition, the

converter will switch to constant current operation and

thereby begin to reduce output voltage. When the output

voltage drops below 1.2 Vdc, the converter will shut down

(Fig. 26).

With the addition of a simple external filter (see application

notes), all versions of the Q24T25 converters pass the re-

quirements of Class B conducted emissions per EN55022

and FCC, and meet at a minimum, Class A radiated emis-

sions per EN 55022 and Class B per FCC Title 47CFR, Part

15-J. Please contact di/dt Applications Engineering for de-

tails of this testing.

Once the converter has shut down, it will attempt to restart

nominally every 100 ms with a 3% duty cycle (Fig 27). The

attempted restart will continue indefinitely until the overload

or short circuit conditions are removed or the output voltage

rises above 1.2 Vdc.

Output Over-Voltage Protection (OVP)

The converter will shut down if the output voltage across

Vout(+) (Pin 8) and Vout(-) (Pin 4) exceeds the threshold of

the OVP circuitry. The OVP circuitry contains its own refer-

ence, independent of the output voltage regulation loop.

Once the converter has shut down, it will attempt to restart

every 100 ms until the OVP condition is removed.

Over-Temperature Protection (OTP)

The converter will shut down under an over-temperature

condition to protect itself from overheating caused by opera-

tion outside the thermal derating curves, or operation in ab-

normal conditions such as system fan failure. After the con-

verter has cooled to a safe operating temperature, it will

automatically restart.

Q24T25033 FDS Ver 2 05-01-03

USA Toll Free 866 WOW-didt

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