参数资料
| 型号： | YNL05S10025-0 |
| 厂商： | Power-One |
| 文件页数： | 6/23页 |
| 文件大小： | 0K |
| 描述： | CONVERT DC/DC 2.5V OUT 25W SMD |
| 标准包装： | 310 |
| 系列： | * |
YNL05S100xy DC-DC Converter Family Data Sheet
3.0 to 5.5 VDC Input; 0.9 to 3.3 VDC @ 10 A Output
collector (open-drain) transistor can be used to drive
ON/OFF pin. This device must be capable of:
– sinking up to 1.2 mA at a low level voltage of
? 0.8 V
– sourcing up to 0.25 mA at a high logic level of
2.3 - 5.5 V.
When using open-collector (open-drain) transistor
with a negative logic option, add a pull-up resistor
(R*) to Vin as shown in Fig. C:
– 20 K, if the minimum Vin is 4.5 V
– 10 K, if the minimum Vin is 3.0 V
– 5 K, if the undervoltage shutdown at 2.05 - 2.15 V
is required.
Remote Sense (Pin 2)
The remote sense feature of the converter
compensates for voltage drops occurring only
between Vout pin (Pin 4) of the converter and the
equal to the product of the nominal output voltage
and the allowable output current for the given
conditions.
When using remote sense, the output voltage at the
converter can be increased up to 0.5 V 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 converter’s actual
output power remains at or below the maximum
allowable output power.
Output Voltage Adjust/Trim (Pin 3)
The output voltage can be adjusted up 10% or down
10% of its nominal output rating using an external
resistor. The converter without Trim feature is also
available; see the Part Numbering Scheme section
for the ordering information.
load. The SENSE (Pin 2) pin should be connected at
the load or at the point where regulation is required
Vin
Y-Series
Converter
SENSE
(see Fig. D). There is no sense feature on the output
GND return pin, where the solid ground plane should
provide a low voltage drop.
Vin
ON/OFF
(Top View)
Vout
Rload
GND
TRIM
Vin
Y-Series
Converter
(Top View)
SENSE
Rw
R T-INCR
Vin
ON/OFF
Vout
Fig. E: Configuration for increasing output voltage.
GND
TRIM
Rload
To trim up the output voltage, refer to Fig. E. A trim
resistor, R T-INCR , should be connected between TRIM
pin (Pin 3) and GND pin (Pin 5) with value of:
R T ? INCR ?
Rw
Fig. D: Remote sense circuit configuration.
The option without SENSE pin is available; see the
For V O-NOM ≥ 1.2 V,
24 . 08
(V O - REQ - V O - NOM )
? R INT
[k ? ]
Part Numbering Scheme section for the ordering
R T ? INCR ?
? R INT
information. However, if remote sensing is not
required, the SENSE pin must be connected to the
Vout pin (Pin 4) to ensure the converter will regulate
at the specified output voltage. If these connections
For V O-NOM = 1.0 V and 0.9 V,
21.07
(V O - REQ - V O - NOM )
[k ? ]
are not made, the converter will deliver an output
voltage that is slightly higher than the specified
value.
Because the sense lead carries minimal current,
large traces on the end-user board are not required.
However, the sense trace should be located close to
a ground plane to minimize system noise and ensure
optimum performance.
When utilizing the remote sense feature, care must
where,
R T ? INCR ? Required value of trim-up resistor [k ? ]
V O ? REQ ? Desired (trimmed) output voltage [V]
V O ? NOM ? Nominal output voltage [V]
R INT ? Internal series resistor according to Table 1
[k ? ]
Table 1: Internal series Resistors R INT
be taken not to exceed the maximum allowable
output power capability of the converter, which is
V 0-NOM [V]
R INT [k ? ]
3.3 2.5 2.0 1.8 1.5 1.2 1.0 0.9
59 78.7 100 100 100 59 30.1 5.11
MCD10188 Rev. 1.0, 21-Jun-10
Page 6 of 23
www.power-one.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| YNL05S10025-D | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 2.5V 10A 33W 6SMD - Bulk |
| YNL05S10025-DG | 制造商:Power-One 功能描述:DC/DC PS SGL-OUT 2.5V 10A 33W 6SMD - Bulk |
| YNL05S10033-0 | 制造商:Power-One 功能描述:Module DC-DC 1-OUT 3.3V 10A 33W 6-Pin SMD |
| YNL05S100330G | 制造商:Power-One 功能描述: |
| YNL05S10033-0G | 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: |
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