Datasheet > Q24T25018-PDA0

Q24T25018-PDA0

更新时间： 2024-02-26 19:58:05

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
14页	251K
描述
DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, QUARTER-BRICK PACKAGE-8

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Q24T25018-PDA0 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	ROHS COMPLIANT, QUARTER-BRICK PACKAGE-8	Reach Compliance Code：	compliant
ECCN代码：	EAR99	风险等级：	5.24
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	长度：	58.42 mm
功能数量：	1	输出次数：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	最大输出电压：	1.98 V
最小输出电压：	1.44 V	标称输出电压：	1.8 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	座面最大高度：	10.16 mm
表面贴装：	NO	技术：	HYBRID
温度等级：	INDUSTRIAL	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
最大总功率输出：	45 W	微调/可调输出：	YES
宽度：	36.83 mm	Base Number Matches：	1

Q24T25018-PDA0 数据手册

Q24T25018 DC-DC Converter Data Sheet

18-36 VDC Input; 1.8 VDC @ 25A Output

case it should be capable of sourcing or sinking up to 1 mA

depending on the signal polarity. See the Start-up Informa-

tion section for system timing waveforms associated with

use of the ON/OFF pin.

Operation

Input and Output Impedance

These power converters have been designed to be stable

with no external capacitors when used in low inductance in-

put and output circuits.

Remote Sense (Pins 5 and 7)

The remote sense feature of the converter compensates for

voltage drops occurring between the output pins of the con-

verter and the load. The SENSE(-) (Pin 5) and SENSE(+)

(Pin 7) pins should be connected at the load or at the point

where regulation is required (see Fig. 3).

However, in many applications, the inductance associated

with the distribution from the power source to the input of the

converter can affect the stability of the converter. The addi-

tion of a 33 µF electrolytic capacitor with an ESR < 1 

across the input helps ensure stability of the converter. In

many applications, the user has to use decoupling capacit-

ance at the load. The power converter will exhibit stable op-

eration with external load capacitance up to 30,000 µF.

Family

Vout (+)

Vin (+)

Converter

100

SENSE (+)

(Top View)

Rload

ON/OFF

Vin (-)

TRIM

ON/OFF (Pin 2)

Vin

SENSE (-)

The ON/OFF pin is used to turn the power converter on or

off remotely via a system signal. There are two remote con-

trol options available, positive logic and negative logic and

both are referenced to Vin(-). Typical connections are shown

in Fig. 2.

Vout (-)

Fig. 3: Remote sense circuit configuration.

If remote sensing is not required, the SENSE(-) pin must be

connected to the Vout(-) pin (Pin 4), and the SENSE(+) pin

must be connected to the Vout(+) pin (Pin 8) to ensure the

converter will regulate at the specified output voltage. If

these connections are not made, the converter will deliver an

output voltage that is slightly higher than the specified value.

Family

Vin (+)

ON/OFF

Vin (-)

Vout (+)

SENSE (+)

TRIM

Converter

(Top View)

Rload

Vin

SENSE (-)

Vout (-)

Because the sense leads carry minimal current, large traces

on the end-user board are not required. However, sense

traces should be located close to a ground plane to minimize

system noise and insure optimum performance. When wiring

discretely, twisted pair wires should be used to connect the

sense lines to the load to reduce susceptibility to noise.

CONTROL

INPUT

Fig. 2: Circuit configuration for ON/OFF function.

The positive logic version turns on when the ON/OFF pin is

at logic high and turns off when at logic low. The converter is

on when the ON/OFF pin is left open.

The converter’s output over-voltage protection (OVP) senses

the voltage across Vout(+) and Vout(-), and not across the

sense lines, so the resistance (and resulting voltage drop)

between the output pins of the converter and the load should

be minimized to prevent unwanted triggering of the OVP.

The negative logic version turns on when the pin is at logic

low and turns off when the pin is at logic high. The ON/OFF

pin can be hard wired directly to Vin(-) to enable automatic

power up of the converter without the need of an external

control signal.

When utilizing the remote sense feature, care must be taken

not to exceed the maximum allowable output power capabili-

ty of the converter, equal to the product of the nominal out-

put voltage and the allowable output current for the given

conditions.

ON/OFF pin is internally pulled-up to 5 V through a resistor.

A mechanical switch, open collector transistor, or FET can

be used to drive the input of the ON/OFF pin. The device

must be capable of sinking up to 0.2 mA at a low level vol-

tage of  0.8 V. An external voltage source of ±20 V max.

may be connected directly to the ON/OFF input, in which

MCD10221 Rev. 1.0, 26-Aug-10

Page 5 of 14

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与Q24T25018-PDA0相关器件

型号	品牌	描述	获取价格	数据表
Q24T25018-PDA0G	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, ROHS COMPLIANT, QUARTER-BRICK	获取价格
Q24T25018-PDB0	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, QUARTER-BRICK PACKAGE-8	获取价格
Q24T25018-PDB0G	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, ROHS COMPLIANT, QUARTER-BRICK	获取价格
Q24T25018-PDBP	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, QUARTER BRICK PACKAGE-8	获取价格
Q24T25018-PDCP	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, QUARTER BRICK PACKAGE-8	获取价格
Q24T25020-NAA0	BEL	DC-DC Regulated Power Supply Module, 1 Output, Hybrid	获取价格

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