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参数资料
| 型号： | LSN2-T/6-W3NC |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 19.8 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, SIP-6 |
| 文件页数： | 9/15页 |
| 文件大小： | 302K |
| 代理商： | LSN2-T/6-W3NC |
LSN2 Series
Non-isolated, DOSA-SIP, 6/10/16A
Selectable-Output DC/DC Converters
www.murata-ps.com
email: sales@murata-ps.com
25 Jun 2010
MDC_LSN2.B07Δ Page 3 of 15
Performance/Functional Specications(1)
Current Limit Inception: (98% of VOUT)
LSN2-T/6 models
11-13 Amps (cold startup)
11 Amps (after warm up)
LSN2-T/10 models
18.75 Amps (cold startup)
16.75 Amps (after warm up)
LSN2-T/16 models
24 Amps (cold startup)
21 Amps (after warm up)
Short Circuit Mode (6)
Short Circuit Current Output
600mA
Protection Method (17)
Hiccup autorecovery on overload removal
Short Circuit Duration
Continuous, no damage (output shorted
to ground)
Prebias Startup (16)
Converter will start up if the external
output voltage is less than VNOM
Sequencing
Slew Rate
2V max. per millisecond
Startup delay until sequence start
10 milliseconds
Tracking accuracy, rising input
VOUT = ±100mV of Sequence In
Tracking accuracy, falling input
VOUT = ±200mV of Sequence In
Sequence pin input impedance
400k
: to 1M:
Remote Sense to VOUT
0.5V max. (7)
Power Good Output (14)
TRUE (OK) = open drain
(“G” sufx)
FALSE (not OK) = Signal Ground to 0.4V
Power_Good Conguration
MOSFET to ground with external user
pullup, 10mA max. sink
DYNAMIC CHARACTERISTICS
Dynamic Load Response
25μsec to ±2% of nal value
(50-100-50% load step, di/dt = 20A/msec)
Start-Up Time
4-7msec for VOUT = nominal
(VIN on to VOUT regulated or On/Off to VOUT)
Switching Frequency
LSN2-T/6 models
315kHz
LSN2-T/10 and -T/16 models
230kHz
ENVIRONMENTAL
Calculated MTBF (4)
TBC Hours
Operating Temperature Range (Ambient)
No derating, natural convection
–40 to +63°C, vertical mount, 2.5VOUT (9)
With derating
See Derating Curves
Operating PC Board Temperature
–40 to +100°C max. (12)
Storage Temperature Range
–55 to +125°C
Thermal Protection/Shutdown
+115°C
Relative Humidity
To +85% / +85°C
PHYSICAL
Outline Dimensions
See Mechanical Specications
Removable Heat Shield
Nylon 46
Pin Material
Tin-plated copper alloy
Weight
0.28 ounces (7.8 grams)
Electromagnetic Interference
FCC part 15, class B, EN55022
(conducted and radiated)
(may need external lter)
Safety
UL/cUL 60950-1, CSA-C22.2 No.234
IEC/EN 60950-1
Flammability Rating
UL94V-0
INPUT
Input Voltage Range
See Ordering Guide
Isolation
Not isolated, input and output commons
are internally connected
Start-Up Threshold
W3 Models
2.2 Volts
12V Models
8 Volts
Undervoltage Shutdown
W3 Models
2.0 Volts
12V Models
7.5 Volts
Overvoltage Shutdown
None
Reected (Back) Ripple Current(2)
10-70mAp-p (model dependent)
Internal Input Filter Type
Capacitive
Reverse Polarity Protection
See fuse information
Input Current:
Full Load Conditions
See Ordering Guide
Inrush Transient
0.1A2sec
Shutdown Mode (Off, UV, OT)
5mA
Output Short Circuit
60mA
No Load
W3 models
50mA
12V models
100mA
Low Line (VIN = VMIN)
LSN2-T/6-W3
5.54 Amps
LSN2-T/6-D12
3.85 Amps
LSN2-T/10-W3
9.14 Amps
LSN2-T/10-D12
6.31 Amps
LSN2-T/16-W3
14.63 Amps
LSN2-T/16-D12
10.2 Amps
Remote On/Off Control: (5)
Positive Logic (no model sufx)
OFF = ground pin to +0.8V max.
ON = open pin or +2.5V min. to +VIN max.
Negative Logic (“N” model sufx)
ON = open pin to +0.3V max.
OFF = +2.5V min. to +VIN max.
Current
1mA max.
OUTPUT
Voltage Output Range
See Ordering Guide
Minimum Loading
No minimum load
Accuracy
(50% load)
±2% of VNOM
Voltage Adjustment Range (13)
See Ordering Guide
Temperature Coefcient
±0.02% of VOUT range per °C
Ripple/Noise
(20 MHz bandwidth)
See Ordering Guide and (8)
Line/Load Regulation
(See Tech Notes) See Ordering Guide and (10)
Efciency
See Ordering Guide
Maximum Capacitive Loading: (15)
LSN2-T/6 models:
Cap-ESR = 0.001 to 0.01
:
3000μF
Cap-ESR >0.01
:
5000μF
LSN2-T/10 and -T/16 models:
Cap-ESR = 0.001 to 0.01
:
5000μF
Cap-ESR >0.01
:
10,000μF
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