
Input
Input Voltage Range
See Ordering Guide. See note 19.
Recommended External Fuse
20 Amps
Isolation
Not isolated. The input and output
commons internally connected.
Start-up Voltage
4.2 Volts
Undervoltage Shutdown
3.4 Volts
Overvoltage Shutdown
None
Reected (Back) Ripple Current
20 mA pk-pk
Internal Input Filter Type
Capacitive
Reverse Polarity Protection1(Note 15) See fuse information
Input Current:
Full Load Conditions
See Ordering Guide
Inrush Transient
0.4 A2 sec
Shutdown mode (Off, UV, OT)
5 mA
Output Short-Circuit
60 mA
No load, 5VOUT
80 mA
Low Line (VIN = Vmin, 5VOUT)
11.95 Amps
Remote On/Off Control (Note 5)
(LSS-T/10-W12, no sufx)
Positive Logic
On = +1.5 V to plus VIN max. or open pin
Off = 0 to +0.2 V max. or ground pin
Current
1 mA
Output
Minimum Loading (Note 7)
No minimum load
Maximum Output Power
51 Watts (Note 11)
Accuracy (50% load)
±1.5% of V setting
Voltage Adjustment Range (Notes 13, 19)
See Ordering Guide
Temperature Coefcient
±0.02% max. per °C of VOUT range
Ripple/Noise (20MHz bandwidth)
See Ordering Guide and Note 8
Line Load Regulation (See Tech Notes) See Ordering Guide and Note 10
Efciency
See Ordering Guide
Maximum Capacitive Loading
Cap-ESR = 0.001 to 0.01 Ω
5,000 μF
Cap-ESR > 0.01 Ω
10,000 μF
Current Limit Inception (98% of VOUT setting) (Note 12)
33 Amps (after warm up)
Short Circuit Mode (Note 6, 12)
Short Circuit Current Output
0.6 Amp
Protection Method
Hiccup autorecovery upon overload
removal. (Note 16)
Short Circuit Duration
Continuous, no damage
(output shorted to ground)
Performance/Functional Specications
All specications are typical unless noted See Note 1.
Dynamic Characteristics
Dynamic Load Response
20 μSec to within ±2% of nal value
(0 to 50% load step, di/dt = 10A/μSec, no external caps)
Turn-On Time
6 mSec for VOUT regulated
Remote On/Off Time
6 mSec for VOUT regulated
Switching Frequency
600 kHz
Environmental
Calculated MTBF (Note 4)
TBC
Operating Temperature Range
–45 to +85°C (Note 9)
With Derating
See Derating Curves (Note 18)
Storage Temperature Range
–55 to +125°C
Thermal Protection Shutdown
+115°C
Relative Humidity
85%/+85°C
Physical
Outline Dimensions
See Mechanical Specications
Weight
0.07 ounces (2 grams)
Electromagnetic Interference
Designed to meet FCC Part 15, EN55022,
(may require external lter)
conducted and radiated
Safety
Designed to meet UL/cUL 60950-1, CSA-C22.2
No. 60950-1, IEC/EN 60950-1
Absolute Maximum Ratings
Input Voltage
Continuous or transient
15 Volts max.
Output Power
51 Watts max.
On/Off Control
0V. min to +VIN max.
Input Reverse-Polarity Protection
See Fuse section
Output Current
Current limited. Devices can withstand sustained
output short circuits without damage.
Storage Temperature
–40 to +125°C
Lead Temperature
See soldering guidelines
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 Specications Table is not implied
nor recommended.
CAUTION: This product is not internally fused. To comply with safety agency certications
and to avoid injury to personnel or equipment, the user must supply an external fast-blow
fuse to the input terminals. See fuse information.
LSS-T/10-W12
Adjustable Output 10 Amp SIP-mount DC/DC Converter
MDC_MDC_LSS-T10-W12.A06 Page 3 of 8
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