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参数资料
| 型号： | YEV09T06-RG |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, SIP-5 |
| 文件页数： | 11/12页 |
| 文件大小： | 300K |
| 代理商： | YEV09T06-RG |
YEV09T06 6A DC-DC POL Converter
4.5V to 13.8V Input 0.59V to 5.1V Output
Data Sheet
ZD-02094 Rev 1.1, 25-Mar-09
www.power-one.com
Page 8 of 12
6.
Application Information
6.1
Input and Output Impedance
The POL converter should be connected to the DC
power source via low impedance.
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.
Internally, the converter includes 4.7μF (low ESR
ceramics) of input capacitance which eliminates the
need for external input capacitance. However, if the
distribution of the input voltage to the POL converter
contains high inductance, it is recommended to add
a 100μF decoupling capacitor placed as close as
possible to the converter input pins.
A low-ESR
tantalum or POS capacitor connected across the
input pins help ensuring stability of the POL
converter and reduce input ripple voltage.
A 22μF ceramic output capacitor is recommended to
improve output ripple and dynamic response.
It is important to keep low resistance and low
inductance of PCB traces for connecting load to the
output pins of the converter in order to maintain good
load regulation.
6.2
Output Voltage Programming
The output voltage can be programmed from 0.59V
to 5.1V by connecting an external resistor RTRIM
between TRIM pin (Pin 5) and GND pin (Pin 3), as
shown in Figure 14.
Figure 14. Programming Output Voltage With A Resistor
The trim resistor RTRIM for a desired output voltage
can be calculated using the following equation:
,
591
.
0
182
.
1
OUT
TRIM
V
R
k
where:
VOUT = Desired (trimmed) value of output voltage V
RTRIM = Required value of the trim resistor in k
If the RTRIM is not used, the output voltage of the POL
converter will be 0.591V.
Note that the trim resistor tolerance directly affects
the output voltage accuracy. It is recommended to
use ±0.1% trim resistors to meet the output voltage
setpoint accuracy specified in p. 4.2.
Table 1. Trim Resistor Values
V0UT, V
Calculated
RTRIM, k
Standard Value of
0.1% Resistor, k
0.8
5.65
5.62
1.2
1.94
1.93
1.5
1.3
1.30
1.8
0.98
0.976
2.5
0.62
0.619
3.3
0.44
0.437
5.0
0.27
0.267
6.3
ON/OFF (Pin 1)
The ON/OFF pin is used to turn the POL converter
ON or OFF remotely by a signal from a system
controller. For positive logic, the POL converter is
ON when the ON/OFF pin is at a logic high (2.4V
min) or left open. The POL converter is OFF when
the ON/OFF pin is at a logic low (0.4V max) or
connected to GND.
The ON/OFF pin should be controlled with an open
collector transistor as shown in Figure 15.
Figure 15. Circuit Configuration For ON/OFF Function
VIN
GND
ON/OFF
VOUT
3
2
4
1
TRIM
5
Rload
RTRIM
YEV09T06
CONTROL
INPUT
VIN
GND
ON/OFF
VOUT
3
2
4
1
TRIM
5
Rload
INPUT
VOLTAGE
4.32k
RTRIM
Internal
Enable
Circuit
YEV09T06
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| YEV09T06-RGA | 制造商:Power-One 功能描述: |
| YEV09T10 | 制造商:POWER-ONE 制造商全称:Power-One 功能描述:10A DC-DC POL Converter 4.5V to 13.8V Input 0.59V to 5.1V Output |
| YEV09T10-0 | 制造商:POWER-ONE 制造商全称:Power-One 功能描述:10A DC-DC POL Converter 4.5V to 13.8V Input 0.59V to 5.1V Output |
| YEV09T10-0G | 功能描述:DC/DC转换器 0.59-5.1Vout 10A 4.5-13.8VIn 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: |
| YEV09T10-R | 制造商:POWER-ONE 制造商全称:Power-One 功能描述:10A DC-DC POL Converter 4.5V to 13.8V Input 0.59V to 5.1V Output |
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