®

LSN2 Series

Non-isolated, DOSA-SIP, 6/10/16A Selectable-Output DC/DC Converters

www.cd4power.com

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

2.2 Volts

12V Models

8 Volts

Undervoltage Shutdown

W3 Models

2.0 Volts

12V Models

7.5 Volts

Overvoltage Shutdown

None

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

Shutdown Mode (Off, UV, OT)

5mA

Output Short Circuit

60mA

No Load

W3 models

50mA

12V models

100mA

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

Positive Logic (no model suffix)

OFF = ground pin to +0.8V max.

Negative Logic (“N” model suffix)

ON = open pin to +0.3V max.

Current

1mA max.

OUTPUT

Voltage Output Range

See Ordering Guide

Minimum Loading

No minimum load

Accuracy (50% load)

See Ordering Guide

Temperature Coefficient

Ripple/Noise (20 MHz bandwidth)

Line/Load Regulation (See Tech Notes)

Efficiency

See Ordering Guide

LSN2-T/6 models:

Cap-ESR = 0.001 to 0.01

Ω

3000μF

Cap-ESR >0.01

Ω

5000μF

LSN2-T/10 and -T/16 models:

Cap-ESR = 0.001 to 0.01

Ω

5000μF

Cap-ESR >0.01

Ω

10,000μF

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 Current Output

600mA

Hiccup autorecovery on overload removal

Short Circuit Duration

Continuous, no damage (output shorted

to ground)

Converter will start up if the external

Sequencing

Slew Rate

2V max. per millisecond

Startup delay until sequence start

10 milliseconds

Tracking accuracy, rising input

Tracking accuracy, falling input

Sequence pin input impedance

400k

Ω to 1MΩ

TRUE (OK) = open drain

(“G” suffix)

FALSE (not OK) = Signal Ground to 0.4V

Power_Good Configuration

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

Switching Frequency

LSN2-T/6 models

315kHz

LSN2-T/10 and -T/16 models

230kHz

ENVIRONMENTAL

TBC Hours

Operating Temperature Range (Ambient)

No derating, natural convection

With derating

See Derating Curves

Operating PC Board Temperature

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

FCC part 15, class B, EN55022 (may

(conducted and radiated)

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

+7 Volts

12V models

+15 Volts

On/Off Control

Input Reverse Polarity Protection

See Fuse section

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.