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参数资料
| 型号： | SSQE48T25015-PABNG |
| 厂商： | Power-One |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | DC/DC SIXTEENTH BRICK |
| 标准包装： | 98 |
| 系列： | * |
DATA SHEET
where,
R T ? INCR ? Required value of trim-up resistor [k ? ]
V O ? NOM ? Nominal value of output voltage [V]
Δ ?
(V O -REQ ? V O -NOM )
V O - NOM
X 100 , [%]
V O ? REQ ? Desired (trimmed) output voltage [V].
When trimming up, care must be taken not to exceed the converter‘s maximum allowable output power. See the previous
section for a complete discussion of this requirement.
Fig. C: Configuration for increasing output voltage.
Vin (+)
SSQE48 Converter
(Top View)
Vout (+)
SENSE (+)
R T-INCR
Vin
ON/OFF
TRIM
Rload
SENSE (-)
Vin (-)
Vout (-)
To decrease the output voltage (Fig. D), a trim resistor, R T-DECR , should be connected between the TRIM (Pin 6) and
SENSE(-) (Pin 5), with a value of:
R T ? DECR ?
511
| Δ |
? 10.22 , [k?]
where,
R T-DECR = Required value of trim- down resistor [k?] and Δ is defined above.
quarter-bricks, eighth-bricks and sixteenth-bricks.
Note: The above equations for calculation of trim resistor values match those typically used in conventional industry-
standard quarter-bricks, eighth-bricks and sixteenth-bricks.
Fig. D: Configuration for decreasing output voltage.
Vin (+)
SSQE48 Converter
Vout (+)
(Top View)
SENSE (+)
Vin
ON/OFF
TRIM
R T-DECR
Rload
SENSE (-)
Vin (-)
Vout (-)
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 overvoltage protection (OVP) circuit. The designer should ensure that the difference
between the voltages across the converter’s output pins and its sense pins does not exceed 10% of VOUT(nom), or:
[V OUT ( ? ) ? V OUT ( ? )] ? [V SENSE ( ? ) ? V SENSE ( ? )] ? V O - NOM X 10% [V]
This equation is applicable for any condition of output sensing and/or output trim.
ZD-02084_1.2_October-30-2013
5
www.power-one.com
相关PDF资料 |
PDF描述 |
|---|---|
| SSQE48T25018-PABNG | DC/DC SIXTEENTH BRICK |
| SSQE48T25025-PABNG | DC/DC SIXTEENTH BRICK |
| SSQL48T20033-NAABG | CONV DC-DC 3.3V 20A 1/16 BRICK |
| ST5ER504 | TRIMMER 500K OHM 0.25W SMD |
| ST7ETB503 | TRIMMER 50K OHM 0.25W SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SSQE48T25018-NAANG | 制造商:Power-One 功能描述:Module DC-DC 1-OUT 1.8V 25A 8-Pin 1/16-Brick |
| SSQE48T25018-NAB0G | 制造商:Power-One 功能描述:DCDC - Bulk |
| SSQE48T25018-NABNG | 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| SSQE48T25018-PAA0 | 制造商:Power-One 功能描述:- Bulk |
| SSQE48T25018-PAAN | 制造商:Power-One 功能描述:Module DC-DC 1-OUT 1.8V 25A 8-Pin 1/16-Brick |
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