Datasheet > Q48T25033-PDBPG

Q48T25033-PDBPG

更新时间： 2024-01-15 13:18:47

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
14页	331K
描述
DC-DC Regulated Power Supply Module, 1 Output, 82.5W, Hybrid, ROHS COMPLIANT, QUARTER BRICK PACKAGE-8

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Q48T25033-PDBPG 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.77	模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：	75 V	最小输入电压：	36 V
标称输入电压：	48 V	JESD-30 代码：	R-XDMA-P8
JESD-609代码：	e0	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：	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	座面最大高度：	10.16 mm
表面贴装：	NO	技术：	HYBRID
温度等级：	INDUSTRIAL	端子面层：	TIN LEAD OVER NICKEL
端子形式：	PIN/PEG	端子位置：	DUAL
最大总功率输出：	82.5 W	微调/可调输出：	YES
宽度：	36.83 mm

Q48T25033-PDBPG 数据手册

Q48T25033 DC-DC Converter Data Sheet

36-75 VDC Input; 3.3 VDC @ 25A Output

When using remote sense, the output voltage at the con-

verter can be increased by as much as 10% above the

nominal rating in order to maintain the required voltage

across the load. Therefore, the designer must, if necessary,

decrease the maximum current (originally obtained from the

derating curves) by the same percentage to ensure the con-

verter’s actual output power remains at or below the maxi-

mum allowable output power.

RT−DECR = Required value of trim-down resistor [kΩ]

and ∆ is as defined above.

Note: The above equations for calculation of trim resistor

values match those typically used in conventional industry-

standard quarter bricks. For more information see Applica-

tion Note 103.

Family

Output Voltage Adjust /TRIM (Pin 6)

Vin (+)

ON/OFF

Vin (-)

Vout (+)

SENSE (+)

TRIM

Converter

(Top View)

R _T-INCR

The converter’s output voltage can be adjusted up 10% or

down 20% relative to the rated output voltage by the addition

of an externally connected resistor. Trim up to 10% is guar-

anteed only at Vin ≥ 40 V, and it is marginal (8% to 10%) at

Vin = 36 V.

Rload

Vin

SENSE (-)

Vout (-)

The TRIM pin should be left open if trimming is not being

used. To minimize noise pickup, a 0.1 µF capacitor is con-

nected internally between the TRIM and SENSE(-) pins.

Fig. 4: Configuration for increasing output voltage.

To increase the output voltage, refer to Fig. 4. A trim resistor,

_T-INCR, should be connected between the TRIM (Pin 6) and

Family

Vin (+)

ON/OFF

Vin (-)

Vout (+)

SENSE (+)

TRIM

SENSE(+) (Pin 7), with a value of:

Converter

(Top View)

Rload

Vin

R_T-DECR

5.11(100 + ∆)V^O^−NOM− 626

SENSE (-)

Vout (-)

RT−INCR

− 10.22 [kΩ]

1.225∆

where,

Fig. 5: Configuration for decreasing output voltage.

RT−INCR = Required value of trim-up resistor kΩ]

VO−NOM = Nominal value of output voltage [V]

Trimming/sensing beyond 110% of the rated output voltage

is not an acceptable design practice, as this condition could

cause unwanted triggering of the output over-voltage protec-

tion (OVP) circuit. The designer should ensure that the dif-

ference between the voltages across the converter’s output

pins and its sense pins does not exceed 0.33 V, or:

(V^O-REQ− VO-NOM)

∆ =

X 100 [%]

V^{O -NOM}

VO−REQ = Desired (trimmed) output voltage [V].

[VOUT(+) − VOUT(−)]−[VSENSE(+) − VSENSE(−)] ≤ 0.33 [V]

When trimming up, care must be taken not to exceed the

converter‘s maximum allowable output power. See previous

section for a complete discussion of this requirement.

This equation is applicable for any condition of output sens-

ing and/or output trim.

To decrease the output voltage (Fig. 5), a trim resistor,

R_T-DECR, should be connected between the TRIM (Pin 6) and

SENSE(-) (Pin 5), with a value of:

511

RT−DECR

−10.22 [kΩ]

| ∆ |

where,

MAR 20, 2003 revised to NOV 20, 2006

Page 6 of 14

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