LSN2A Datasheet, PDF (3/15 Pages) Murata Manufacturing Co., Ltd. – Non-isolated, DOSA-SIP, 6/10/16A Selectable-Output DC/DC Converters

Performance/Functional Specifications⁽¹⁾
INPUT
Input Voltage Range
Isolation
Start-Up Threshold
W3 Models
12V Models
See Ordering Guide
Not isolated, input and output commons
are internally connected
2.2 Volts
8 Volts
Undervoltage Shutdown
W3 Models
12V Models
2.0 Volts
7.5 Volts
Overvoltage Shutdown
None
Reflected (Back) Ripple Current⁽²⁾
10-70mAp-p (model dependent)
Internal Input Filter Type
Capacitive
Reverse Polarity Protection
Input Current:
Full Load Conditions
Inrush Transient
Shutdown Mode (Off, UV, OT)
Output Short Circuit
No Load
W3 models
12V models
Low Line (VIN = VMIN)
LSN2-T/6-W3
LSN2-T/6-D12
LSN2-T/10-W3
LSN2-T/10-D12
LSN2-T/16-W3
LSN2-T/16-D12
Remote On/Off Control: ⁽⁵⁾
Positive Logic (no model suffix)
Negative Logic (“N” model suffix)
Current
See fuse information
See Ordering Guide
0.1A²sec
5mA
60mA
50mA
100mA
5.54 Amps
3.85 Amps
9.14 Amps
6.31 Amps
14.63 Amps
10.2 Amps
OFF = ground pin to +0.8V max.
ON = open pin or +2.5V min. to +VIN max.
ON = open pin to +0.3V max.
OFF = +2.5V min. to +VIN max.
1mA max.
OUTPUT
Voltage Output Range
See Ordering Guide
Minimum Loading
No minimum load
Accuracy (50% load)
Voltage Adjustment Range ⁽¹³⁾
±2% of VNOM
See Ordering Guide
Temperature Coefficient
±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⁾
Efficiency
Maximum Capacitive Loading: ⁽¹⁵⁾
LSN2-T/6 models:
Cap-ESR = 0.001 to 0.01:
Cap-ESR >0.01:
LSN2-T/10 and -T/16 models:
Cap-ESR = 0.001 to 0.01:
Cap-ESR >0.01:
See Ordering Guide
3000μF
5000μF
5000μF
10,000μF
LSN2 Series
Non-isolated, DOSA-SIP, 6/10/16A
Selectable-Output DC/DC Converters
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
Protection Method ⁽¹⁷⁾
Short Circuit Duration
Prebias Startup ⁽¹⁶⁾
Sequencing
Slew Rate
Startup delay until sequence start
Tracking accuracy, rising input
Tracking accuracy, falling input
Sequence pin input impedance
Remote Sense to VOUT
Power Good Output ⁽¹⁴⁾
(“G” suffix)
Power_Good Configuration
600mA
Hiccup autorecovery on overload removal
Continuous, no damage (output shorted
to ground)
Converter will start up if the external
output voltage is less than VNOM
2V max. per millisecond
10 milliseconds
VOUT = ±100mV of Sequence In
VOUT = ±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
pullup, 10mA max. sink
DYNAMIC CHARACTERISTICS
Dynamic Load Response
25μsec to ±2% of final 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
LSN2-T/10 and -T/16 models
315kHz
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
Relative Humidity
+115°C
To +85% / +85°C
PHYSICAL
Outline Dimensions
Removable Heat Shield
Pin Material
Weight
Electromagnetic Interference
(conducted and radiated)
Safety
Flammability Rating
See Mechanical Specifications
Nylon 46
Tin-plated copper alloy
0.28 ounces (7.8 grams)
FCC part 15, class B, EN55022
(may need external filter)
UL/cUL 60950-1, CSA-C22.2 No.234
IEC/EN 60950-1
UL94V-0
www.murata-ps.com
Technical enquiries email: [e-mail], tel: [phone]
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