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LSM2 Series
Single Output, Non-Isolated
Selectable-Output POL DC/DC Converters
Performance/Functional Speci?cations (1)
Input Voltage Range
Isolation
Start-Up Threshold
W3 Models
12V Models
Undervoltage Shutdown
W3 Models
12V Models
Overvoltage Shutdown
INPUT
See Ordering Guide
Not isolated, input and output use the same
common return.
2.2 Volts
8 Volts
2.0 Volts
7.5 Volts
None
Pre-bias Startup (15)
Sequencing
Slew Rate
Startup delay until sequence start
Tracking accuracy, rising input
Tracking accuracy, falling input
Sequence pin input impedance
Remote Sense to V OUT
Power Good Output (17)
(“G” suf?x)
Power_Good Con?guration
Converter will start up if the external
output voltage is less than V NOM
2V max. per millisecond
10 milliseconds
V OUT = ±100mV of Sequence In
V OUT = ±200mV of Sequence In
400k ? to 1M ?
0.5V max. (7)
TRUE (OK) = open drain
FALSE (not OK) = Signal Ground to 0.4V
MOSFET to ground with external user
Re?ected (Back) Ripple Current (2)
Internal Input Filter Type
20-70mAp-p (model dependent)
Capacitive
pullup, 10mA max. sink
DYNAMIC CHARACTERISTICS
Reverse Polarity Protection
See fuse information
Dynamic Load Response
25μsec to ±2% of ?nal value
Input Current:
(50-100-50% load step, di/dt = 20A/μsec)
Full Load Conditions
See Ordering Guide
Start-Up Time
7msec for V OUT = nominal
Inrush Transient
0.1-0.4A 2 sec (model dependent)
(V IN on to V OUT regulated or On/Off to V OUT )
Shutdown Mode (Off, UV, OT)
Output Short Circuit
Low Line (V IN = V MIN )
LSM2-T/6-W3
5mA
60mA
5.54 Amps
Switching Frequency
LSM2-T/6 models
LSM2-T/10 and -T/16 models
315kHz
230kHz
LSM2-T/6-D12
LSM2-T/10-W3
LSM2-T/10-D12
LSM2-T/16-W3
LSM2-T/16-D12
3.79 Amps
9.14 Amps
6.375 Amps
14.63 Amps
10.2 Amps
ENVIRONMENTAL
Calculated MTBF (4) TBC Hours
Operating Temperature Range (Ambient) –40 to +85°C with derating (9)
See Derating Curves
Remote On/Off Control: (5)
Operating PC Board TemUperature
–40 to +100°C max. (12)
Positive Logic (no model suf?x)
Negative Logic (“N” model suf?x)
Current
Voltage Output Range
Minimum Loading
Accuracy (50% load)
Voltage Adjustment Range (13)
OFF = ground pin to +0.3V max.
ON = open pin or +V IN max.
ON = Open pin or 0 to +0.3V max.
OFF = +2.5V to +V IN max.
1mA max.
OUTPUT
See Ordering Guide
No minimum load
±2% of V NOM
See Ordering Guide
Storage Temperature Range
Thermal Protection/Shutdown
Relative Humidity
Outline Dimensions
Removable Heat Shield
Weight
Lead Material
Electromagnetic Interference
–55 to +125°C
+115°C
to 85% / +85°C, non-condensing
PHYSICAL
See Mechanical Speci?cations
Nylon 46
0.28 ounces (7.8 grams)
Tin-plated copper alloy
Designed to meet FCC part 15, class B,
Temperature Coef?cient ±0.02% of V OUT range per °C
Ripple/Noise (20 MHz bandwidth) See Ordering Guide and (8)
Line/Load Regulation (See Tech Notes) See Ordering Guide and (10)
EN55022
(conducted and radiated)
Safety
C22.2
(may need external ?lter)
Designed to meet UL/cUL 60950-1 CSA-
No.234 IEC/EN
Ef?ciency
See Ordering Guide
60950-1
Maximum Capacitive Loading: (14)
Flammability
UL94V-0
LSM2-T/6 models:
Cap-ESR = 0.001 to 0.01 ?
Cap-ESR >0.01 ?
LSM2-T/10 and -T/16 models:
Cap-ESR = 0.001 to 0.01 ?
Cap-ESR >0.01 ?
Current Limit Inception: (98% of V OUT )
3000μF
5000μF
5000μF
10,000μF
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous or transient)
W3 models +7 Volts
12V models +15 Volts
On/Off Control –0.3V min. to +V IN max.
LSM2-T/6 models
LSM2-T/10 models
LSM2-T/16 models
Short Circuit Mode (6)
10 Amps (after warm up)
16.75 Amps (after warm startup)
21–31 Amps (after warm up)
Input Reverse Polarity Protection
Output Current (7)
See Fuse section
Current-limited. Devices can
withstand sustained short circuit
without damage.
Short Circuit Current Output
Protection Method (16)
Short Circuit Duration
600mA
Hiccup autorecovery on overload removal
Continuous, no damage (output shorted to
Storage Temperature –55 to +125°C
Lead Temperature (soldering 10 sec. max.) +280°C
ground)
These 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 not implied.
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M D C_LSM2 Series.C01 Δ Page 3 of 17
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相关代理商/技术参数
LSM2-T/16-D12N-C
制造商:Murata Power Solutions 功能描述:DC/DC Converter
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功能描述:DC/DC转换器 52.8W SINGLE OUTPUT 12V / 0.75-5V16A 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:
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功能描述:DC/DC转换器 52.8W SINGLE OUTPUT 5V / 0.75-3.3V16A
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:
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