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| 型号： | LSM2-T/30-D12R-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 125W 30A 12V SMD |
| 标准包装： | 1 |
| 系列： | LSM2 |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 8.3V |
| 电压 - 输入（最大）： | 13.2V |
| Voltage - Output 1： | 0.8 ~ 5 V |
| 电流 - 输出（最大）： | 30A |
| 电源（瓦） - 制造商系列： | 125W |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-DIP SMD 模块 |
| 尺寸/尺寸： | 1.30" L x 0.53" W x 0.34" H（33.0mm x 13.5mm x 8.6mm） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 94% |
| 电源（瓦特）- 最大： | 125W |
| 其它名称： | 811-1793-6 |
LSM2-T/30-D12 Series
DOSA-SMT, 30A POL DC/DC Converters
Performance and Functional Speci?cations
See Note 1
Input
Dynamic Characteristics
Input Voltage Range
Isolation
Start-Up Voltage
Undervoltage Shutdown
See Ordering Guide
Not isolated. Input and output
Commons are internally connected.
5.6 Volts
5 Volts
Dynamic Load Response
(50-100-50% load step, di/dt=20A/ μ Sec)
Start-Up Time
(V IN on to V OUT regulated or On/Off to V OUT )
Switching Frequency
60 μ Sec to within ± 2% of ?nal value
10 mSec for V OUT =nominal
430 KHz
Overvoltage Shutdown
None
Environmental
Re?ected (Back) Ripple Current (Note 2) 50 mA pk-pk
Calculated MTBF (4)
3,917,077 Hours
Internal Input Filter Type
Reverse Polarity Protection
Recommended External Fuse
Input Current:
Full Load Conditions
Inrush Transient
Shutdown Mode (Off, UV, OT)
Output Short Circuit
Low Line (V IN =Vmin, 5V OUT )
Remote On/Off Control (Note 5)
Negative Logic (No model suf?x)
Current
Capacitive
None, install external fuse.
35 Amps, fast blow
See Ordering Guide
0.4 A 2 Sec.
5 mA
60 mA
18.9 Amps
ON = Open pin or 0 to +0.55 V max.
OFF = +3.0V min. to +V IN max.
1.3 mA max.
Output
Operating Temperature Range
With derating
Storage Temperature Range
Thermal Protection/Shutdown
MSL Rating
Relative Humidity
Outline Dimensions
Weight
Electromagnetic Interference
(conducted and radiated)
Safety
-40 to +85°C. (Note 9)
See Derating Curves (Note 12)
-55 to +125°C.
+115°Celsius
2
to 85%/+85°C, non-condensing
Physical
See Mechanical Speci?cations
0.28 ounces (7.8 grams)
Meets EN55022/CISPR22
(may need external ?lter)
Meets UL/cUL 60950-1, IEC/EN 60950-1,
2nd edition
Minimum Loading
Accuracy (50% load)
Voltage Adjustment Range (Note 13)
No minimum load
± 1.5 % of Vnominal
See Ordering Guide
Absolute Maximum Ratings
Input Voltage (Continuous or transient) +15 Volts
± 0.01% per C of V OUT range
Overvoltage Protection (Note 20)
Temperature Coef?cient
Ripple/Noise (20 MHz bandwidth)
Line/Load Regulation (See Tech. Notes)
Ef?ciency
None
ο
See Ordering Guide and Note 8
See Ordering Guide and Note 10
See Ordering Guide
On/Off Control (negative logic)
Input Reverse Polarity Protection
Output Current (Note 7)
Storage Temperature
Lead Temperature
Zero Volts min. to +V IN max.
None, install external fuse.
Current-limited. Devices can withstand
sustained short circuit without damage.
-55 to +125 ° C.
See soldering guidelines
Maximum Capacitive Loading (Note 15)
Cap-ESR=0.001 to 0.01 Ohms
Cap-ESR >0.01 Ohms
Current Limit Inception (Note 19)
(98% of V OUT setting)
Short Circuit Mode (Note 6)
Short Circuit Current Output
Protection Method
Short Circuit Duration
Prebias Startup (Note 16)
Sequencing
Slew Rate
Startup delay until sequence start
Tracking accuracy, rising input
Tracking accuracy, falling input
Remote Sense to V OUT
5,000 μ F
10,000 μ F
48 Amps (cold startup)
42 Amps (after warm up)
600 mA
Hiccup autorecovery upon overload
removal. (Note 17)
Continuous, no damage (output shorted
to ground)
Converter will start up if the external
output voltage is less than Vnominal.
2V per millisecond max.
10 milliseconds min.
V OUT =±100 mV of Sequence In
V OUT =±200 mV of Sequence In
0.5V max. (Note 7)
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions
may adversely affect long-term reliability. Proper operation under conditions other than those listed
in the Performance/Functional Speci?cations Table is neither implied nor recommended.
Speci?cation Notes:
(1) Speci?cations are typical at +25°C, V IN =nominal (+12V), V OUT =nominal (+5V), full load, external
caps and natural convection unless otherwise indicated. Tests at full power should supply
substantial forced air?ow.
All models are tested and speci?ed with external 0.1μF and 10 μF paralleled ceramic/tantalum
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
speci?ed performance in your applications. All models are stable and regulate within spec under
no-load conditions.
(2) Input Back Ripple Current is tested and speci?ed over a 5 Hz to 20 MHz bandwidth. Input ?lter-
ing is C IN =2 x 100 μF tantalum, Cbus=1000 μF electrolytic, Lbus=1 μH.
(3) Note that Maximum Power Derating curves indicate an average current at nominal input
voltage. At higher temperatures and/or lower air?ow, the DC/DC converter will tolerate brief full
current outputs if the total RMS current over time does not exceed the Derating curve.
(4) Mean Time Before Failure is calculated using the Telcordia (Belcore) SR-332 Method 1, Case 3,
ground ?xed conditions, Tpcboard=+25°C, full output load, natural air convection.
(5) The On/Off Control may be driven with external logic or by applying appropriate external volt-
ages which are referenced to -Input Common. The On/Off Control Input should use either an
open collector/open drain transistor or logic gate which does not exceed +V IN .
(6) Short circuit shutdown begins when the output voltage degrades approximately 2% from the
selected setting.
www.murata-ps.com/support
MDC_LSM2_T30_D12 Series.D01 Δ Page 5 of 12
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| LSM2-T30-D12R-C | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:DOSA-SMT, 30A POL DC/DC Converters |
| LSM2-T-30-D12R-C-CIS | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:DOSA-SMT, 30A POL DC/DC Converters |
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