LSN2 Datasheet, PDF (3/14 Pages) C&D Technologies – Non-isolated, DOSA-SIP, 6/10/16A Selectable-Output DC/DC Converters

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LSN2 Series
Non-isolated, DOSA-SIP, 6/10/16A Selectable-Output DC/DC Converters
Performance/Functional Specifications ⁽¹⁾
INPUT
Input Voltage Range
See Ordering Guide
Isolation
Not isolated, input and output commons
are internally connected
Start-Up Threshold
W3 Models
12V Models
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
See fuse information
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
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
Remote On/Off Control: ⁽⁵⁾
Positive Logic (no model suffix)
Negative Logic (“N” model suffix)
Current
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
Ripple/Noise (20 MHz bandwidth)
±0.02% of VOUT range per °C
See Ordering Guide and ⁽⁸⁾
Line/Load Regulation (See Tech Notes) See Ordering Guide and ⁽¹⁰⁾
Efficiency
See Ordering Guide
Maximum Capacitive Loading: ⁽¹⁵⁾
LSN2-T/6 models:
Cap-ESR = 0.001 to 0.01Ω
Cap-ESR >0.01Ω
LSN2-T/10 and -T/16 models:
Cap-ESR = 0.001 to 0.01Ω
Cap-ESR >0.01Ω
Current Limit Inception: (98% of VOUT)
LSN2-T/6 models
LSN2-T/10 models
LSN2-T/16 models
3000μF
5000μF
5000μF
10,000μF
11-13 Amps (cold startup)
11 Amps (after warm up)
18.75 Amps (cold startup)
16.75 Amps (after warm up)
24 Amps (cold startup)
21 Amps (after warm up)
Short Circuit Mode ⁽⁶⁾
Short Circuit Current Output
Protection Method ⁽¹⁷⁾
600mA
Hiccup autorecovery on overload removal
www.cd4power.com
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
Startup delay until sequence start
Tracking accuracy, rising input
Tracking accuracy, falling input
Sequence pin input impedance
2V max. per millisecond
10 milliseconds
VOUT = ±100mV of Sequence In
VOUT = ±200mV of Sequence In
400kΩ to 1MΩ
Remote Sense to VOUT
0.5V max. ⁽⁷⁾
Power Good Output ⁽¹⁴⁾
(“G” suffix)
Power_Good Configuration
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
+115°C
Density Altitude
0 to 10,000 feet
Relative Humidity
10% to 90%, non-condensing
PHYSICAL
Outline Dimensions
See Mechanical Specifications
Removable Heat Shield
Nylon 46
Weight
0.28 ounces (7.8 grams)
Electromagnetic Interference
(conducted and radiated)
FCC part 15, class B, EN55022 (may
need external filter)
Safety
UL/cUL 60950 CSA-C22.2 No.234
IEC/EN 60950
Flammability Rating
UL94V-0
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous or transient)
W3 models
12V models
+7 Volts
+15 Volts
On/Off Control
–0.3V min. to +VIN max.
Input Reverse Polarity Protection
See Fuse section
Output Current (7)
Current-limited. Devices can
withstand sustained short circuit
without damage.
Storage Temperature
–55 to +125°C
Lead Temperature (soldering 10 sec. max.) +280°C
These are stress ratings. Exposure of devices to any of these conditions may adversely affect
long-term reliability. Proper operation under conditions other than those listed in the Perfor-
mance/Functional Specifications Table is not implied.
LSN2 Series Page 3 of 14