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参数资料
| 型号： | NTFS2415MC |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 6/8页 |
| 文件大小： | 0K |
| 描述： | CONVERT DC/DC SMD 1W 24-15V 66MA |
| 产品培训模块： | Low Power DC/DC Converters <5W |
| 标准包装： | 25 |
| 系列： | NTF |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 18V |
| 电压 - 输入（最大）： | 36V |
| Voltage - Output 1： | 15V |
| 电流 - 输出（最大）： | 66mA |
| 电源（瓦） - 制造商系列： | 1W |
| 电压 - 隔离： | 1kV（1000V） |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 26-DIP SMD 模块（12 引线） |
| 尺寸/尺寸： | 0.70" L x 0.50" W x 0.26" H（17.8mm x 12.7mm x 6.6mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 67% |
| 电源（瓦特）- 最大： | 1W |
| 产品目录页面： | 2718 (CN2011-ZH PDF) |
| 其它名称： | 811-2009-5 |
NTF Series
Isolated 1W Wide Input DC/DC Converters
APPLICATION NOTES
Recommended input & output capacitors
Although these converters will work without external capacitors, they are
Value
necessary in order to guarantee the full parametric performance over the full
line and load range. All parts have been tested and characterized using the
following values and test circuit.
Test circuit, 5V, 12V and 15V output
+ V IN
C IN
10μF, 200V
good low esr capacitor
+ V OUT
C OUT
22μF, 16V
good low esr capacitor
- V IN
C IN
NTF
C OUT
- V OUT
ON/OFF Pin
This provides an OFF function, which puts the converter into a low power mode. When the pin is un-connected, the converter is on. The circuit used must be able to sink a peak
curent of 50mA to guarantee turning the converter off. The circuit should be an open collector arrangement, an example circuit is shown below. Voltages should not be applied
directly to the ON/OFF pin. The BC547 should be ?tted close to the NTF ON/OFF pin to prevent the addition of excess wiring capacitance.
CTRL
47kΩ
BC547
V CONTROL
NTF
100nF
- V IN
CONTROL PIN CIRCUIT INPUT VOLTAGE V CONTROL
Min. Max.
Module ON 0 0.2
Module OFF 1.6 30
Output voltage adjustment
Units
V
V
The trim resistor equations are:
R DOWN = ( V DOWN - L) x G
V NOM - V DOWN
Where:
NTFS0505MC
G
30100
L
1.24
K
3.76
R UP =
GxL
V UP - L - K
NTFS1205MC, NTFS2405MC
NTFSXX12MC
NTSFXX15MC
100000
38300
49900
1.24
2.5
2.5
3.76
9.5
12.5
TRIM UP
TRIM DOWN
+V IN
+V OUT
+V IN
+ V OUT
R DOWN
NTF
TRIM
NTF
TRIM
R UP
- V OUT
- V OUT
When the output voltage is trimmed up, output current must be derated so that the maximum output power is not exceeded.
www.murata-ps.com/support
KDC_NTF.D01 Page 6 of 8
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