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参数资料
| 型号： | OKX-T/5-W5N-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 4/13页 |
| 文件大小： | 0K |
| 描述： | DC-DC CONVRT 0.7525-3.6V 5A 5SIP |
| 标准包装： | 300 |
| 系列： | Okami™ OKX-T/5-W5 |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 2.4V |
| 电压 - 输入（最大）： | 5.5V |
| Voltage - Output 1： | 0.7525 ~ 3.6 V |
| 电流 - 输出（最大）： | 5A |
| 电源（瓦） - 制造商系列： | 17W |
| 特点： | 具有远程开/关功能和 UVLO |
| 安装类型： | 通孔 |
| 封装/外壳： | 5-SIP 模块 |
| 尺寸/尺寸： | 0.90" L x 0.28" W x 0.40" H（22.9mm x 7.1mm x 10.2mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 95% |
| 电源（瓦特）- 最大： | 18W |
| 其它名称： | 811-2621 |
OKX T/5-W5 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
FUNCTIONAL SPECIFICATIONS, OKX-T/5-W5-C (CONT.)
OUTPUT
Total Output Power
Conditions ?
Minimum
0
Typical/Nominal
16.5
Maximum
16.83
Units
W
Voltage
Nominal Output Voltage Range 13
Setting Accuracy
Output Voltage Overshoot - Startup:
See trim formula
At 50% load
0.7525
-2
3.6
2
1
Vdc
% of Vnom.
%Vo nom
Current
Output Current Range
0
5
5
A
Minimum Load
No minimum load
Current Limit Inception ?
98% of Vnom., after warmup @1.8Vout
6
7.5
14.5
A
Short Circuit
Short Circuit Current ?
Short Circuit Duration
(remove short for recovery)
Short circuit protection method
Hiccup technique, autorecovery within ±1%
of Vout
Output shorted to ground, no damage
Current limiting
0.2
Continuous
A
Regulation ?
Total Regulation Band
Over all line, load and temp conditions
-4
Vo set
4
% Vo set
Line Regulation
Load Regulation
Ripple and Noise ?
Ripple and Noise
Ripple and Noise
Temperature Coef?cient
Vin=min. to max. Vout=nom.
Iout=min. to max. Vin=48V.
3.3Vo, 5Vin
1.8Vo, 5Vin
1Vo, 5Vin
At all outputs
±0.02
±0.25
±0.5
80
60
40
%
%
mV pk-pk
mV pk-pk
mV pk-pk
% of Vnom./°C
Maximum Capacitive Loading
Maximum Capacitive Loading
14
low ESR; >0.001, <0.01 ohm
0.01 ohm
1000
3000
uF
μF
MECHANICAL (Through Hole Models)
Outline Dimensions
Weight
ENVIRONMENTAL
0.40x0.90x0.282
10.2x22.9x8.85
0.1
2.8
Inches
mm
Ounces
Grams
Operating Ambient Temperature Range ?
Operating PCB Temperature 12
Storage Temperature
Full power, all output voltages,
see derating curves
No derating
Vin = Zero (no power)
-40
-40
-55
85
100
125
°C
°C
°C
Thermal Protection/Shutdown
Measured in center
130
130
135
°C
Electromagnetic Interference
Conducted, EN55022/CISPR22
Radiated, EN55022/CISPR22
External ?lter is required
B
B
Class
Class
Notes
Other input or output voltage ranges will be reviewed under scheduled quantity special order.
Maximum PC board temperature is measured with the sensor in the center of the converter.
Do not exceed maximum power specifications when adjusting the output trim.
The maximum output capacitive loads depend on the the Equivalent Series Resistance (ESR) of the external output
Do not allow the input voltage to degrade lower than the input undervoltage shutdown voltage at all times. Otherwise,
The outputs are not intended to sink appreciable reverse current.
? Specificationsaretypicalat+25deg.C,Vin=nominal(+5V.),Vout=nominal(+3.3V),fullload,externalcapsandnatural
convection unless otherwise indicated. Extended tests at higher power must supply substantial forced airflow. All models
are tested and specified with external 1 μF paralleled with 10 μF ceramic output capacitors and a 22 μF external input
capacitor. All capacitors are low ESR types. These capacitors are necessary to accommodate our test equipment and
may not be required to achieve specified performance in your applications. However, Murata Power Solutions recom-
mends installation of these capacitors. All models are stable and regulate within spec under no-load conditions.
? Input Back Ripple Current is tested and specified over a 5 Hz to 20 MHz bandwidth. Input filtering is Cin=2 x 100 μF
tantalum, Cbus=1000 μF electrolytic, Lbus=1 μH.
? Note that Maximum Power Derating curves indicate an average current at nominal input voltage. At higher temperatures
and/or lower airflow, the DC/DC converter will tolerate brief full current outputs if the total RMS current over time does
not exceed the Derating curve.
? Mean Time Before Failure is calculated using the Telcordia (Belcore) SR-332 Method 1, Case 3, ISSUE 2, ground fixed
controlled conditions, Tambient=+25 deg.C, full output load, natural air convection. (
? 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 1% from the selected setting.
? “Hiccup” overcurrent operation repeatedly attempts to restart the converter with a brief, full-current output. If the
? 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.
? Regulation specifications describe the deviation as the line input voltage or output load current is varied from a nominal
midpoint value to either extreme.
11
12
13
14
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
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
overcurrent condition still exists, the restart current will be removed and then tried again. This short current pulse
prevents overheating and damaging the converter. Once the fault is removed, the converter immediately recovers normal
operation.
www.murata-ps.com/support
MDC_OKX_T/5-W5 Series.A02 Page 4 of 13
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