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参数资料
| 型号： | OKY-T/10-D12P-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 5/17页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 50W 12VIN 10AOUT SMD |
| 标准包装： | 250 |
| 系列： | Okami™ OKY-T/10-D12 |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 8.3V |
| 电压 - 输入（最大）： | 14V |
| Voltage - Output 1： | 0.75 ~ 5.5 V |
| 电流 - 输出（最大）： | 10A |
| 电源（瓦） - 制造商系列： | 50W |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 7-DIP SMD 模块 |
| 尺寸/尺寸： | 1.30" L x 0.53" W x 0.33" H（33.0mm x 13.5mm x 8.4mm） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 94.5% |
| 电源（瓦特）- 最大： | 50W |
OKY -T/10 & T/16-D12 Series
Programmable DOSA-SMT 10/16-Amp DC/DC Converters
Speci?cation Notes, Cont.:
Soldering Guidelines
(5)
(6)
(7)
(8)
(9)
The On/Off Control Input should use either a switch or an open collector/open drain transistor referenced to
-Input Common. A logic gate may also be used by applying appropriate external voltages which not exceed
+Vin.
Short circuit shutdown begins when the output voltage degrades approximately 2% from the selected
setting.
Deleted.
Output noise may be further reduced by adding an external filter. At zero output current, the output may
contain low frequency components which exceed the ripple specification. The output may be operated
indefinitely with no load.
All models are fully operational and meet published specifications, including “cold start” at –40°C.
Murata Power Solutions recommends the speci?cations below when installing these
converters. These speci?cations vary depending on the solder type. Exceeding these
speci?cations may cause damage to the product. Your production environment
may differ therefore please thoroughly review these guidelines with your process
engineers.
Reflow Solder Operations for surface-mount products (SMT)
(10) Regulation specifications describe the deviation as the line input voltage or output load current is varied
from a nominal midpoint value to either extreme.
For Sn/Ag/Cu based solders:
(11) Other input or output voltage ranges will be reviewed under scheduled quantity special order.
(12) Maximum PC board temperature is measured with the sensor in the center of the converter.
(13) Do not exceed maximum power specifications when adjusting the output trim.
(14) The maximum output capacitive loads depend on the the Equivalent Series Resistance (ESR) of the external
output capacitor and, to a lesser extent, the distance and series impedance to the load. Larger caps will
reduce output noise but may change the transient response. Newer ceramic caps with very low ESR may
require lower capacitor values to avoid instability. Thoroughly test your capacitors in the application. Please
refer to the Output Capacitive Load Application Note.
(15) Do not allow the input voltage to degrade lower than the input undervoltage shutdown voltage at all times.
Otherwise, you risk having the converter turn off. The undervoltage shutdown is not latching and will
attempt to recover when the input is brought back into normal operating range.
(16) The output is not intended to sink appreciable reverse current.
(17) “Hiccup” overcurrent operation repeatedly attempts to restart the converter with a brief, full-current output.
If the overcurrent condition still exists, the restart current will be removed and then tried again. This short
Preheat Temperature
Time over Liquidus
Maximum Peak Temperature
Cooling Rate
For Sn/Pb based solders:
Preheat Temperature
Time over Liquidus
Maximum Peak Temperature
Cooling Rate
Less than 1 oC. per second
45 to 75 seconds
260 oC.
Less than 3 oC. per second
Less than 1 oC. per second
60 to 75 seconds
235 oC.
Less than 3 oC. per second
current pulse prevents overheating and damaging the converter. Once the fault is removed, the converter
immediately recovers normal operation.
Recommended Lead-free Solder Re?ow Pro?le
Output Voltage Adjustment
The output voltage may be adjusted over a limited range by connect-
ing an external trim resistor (Rtrim) between the Trim pin and Ground. The
Rtrim resistor must be a 1/10 Watt precision metal ?lm type, ±1% accuracy
250
200
Peak Temp.
235-260° C
or better with low temperature coef?cient, ±100 ppm/°C. or better. Mount
the resistor close to the converter with very short leads or use a surface
mount trim resistor.
150
100
Soaking Zone
120 sec max
Re?ow Zone
time above 217° C
45-75 sec
In the tables opposite, the calculated resistance is given. Do not exceed
the speci?ed limits of the output voltage or the converter’s maximum power
50
<1.5° C/sec
Preheating Zone
240 sec max
High trace = normal upper limit
Low trace = normal lower limit
rating when applying these resistors. Also, avoid high noise at the Trim
input. However, to prevent instability, you should never connect any capaci-
0
0
30
60
90
120
150
180
210
240
270
300
tors to Trim.
OKY2-T/10-D12, -T/16-D12
Output Voltage
5.0 V.
3.3 V.
2.5 V.
2.0 V.
1.8 V.
1.5 V.
1.2 V.
1.0 V.
0.7525 V.
Calculated Rtrim (KΩ)
1.472
3.122
5.009
7.416
9.024
13.05
22.46
41.424
∞ (open)
High trace = normal upper limit
Low trace - normal lower limit
Time (sec)
Resistor Trim Equation, D12 models:
R TRIM ( ? ) = _____________
10500
V OUT – 0.7525V
–1000
www.murata-ps.com/support
MDC_OKY_T10T16.D12.A08 Page 5 of 17
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| OKY-T16-W5 | 制造商:MURATA-PS 制造商全称:Murata Power Solutions Inc. 功能描述:Programmable DOSA-SMT 10/16-Amp DC/DC Converters |
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