NCS12 Series

Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters

KDC_NCS12C.A02 Page 2 of 14

All enquiries: www.murata-ps.com/support

www.murata-ps.com

OUTPUT CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Rated power

All output types

12

W

Minimal load to meet datasheet specification

10

%

Voltage set point accuracy

Positive outputs

±2

Negative outputs

±3

%

Line regulation

Low line to high line

Positive outputs

0.04

0.1

%

Negative outputs

0.3

1

Cross Regulation

D1205 & D4805

±4

±6.5

%

D1212, D1215 ,D4812, D4815

±2

±5

Transient response

Peak deviation (12.5-37.5% & 37.5-12.5% swing)

5

Settling time

Single output types

500

μs

Dual output types

250

ISOLATION CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation test voltage

Flash tested for 1 seconds

1500

VDC

Resistance

Viso = 1kVDC

1

GΩ

Capacitance

S1203, S1205, S4803, S4805

600

pF

All other types

230

ABSOLUTE MAXIMUM RATINGS

Short-circuit protection (for SELV input voltages)

30 minutes

Control pin input voltage

18V Max

Lead temperature 1.0mm from case for 10 seconds (to JEDEC JESD22-B106 ISS C)

260°C

Input voltage, NCS12 12V input types

40V

Input voltage, NCS12 48V input types

80V

Parameter

Conditions

Min.

Typ.

Max.

Units

Switching frequency

S1203, S1205, S4803 & S4805

340

kHz

All other types

220

Control pin input

Module on, pin unconnected or open collector floating

Module off

0.8

V

TEMPERATURE CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Operation

With derating - see derating graph

-40

85

°C

Storage

-50

125

Case temperature above ambient

Still Air

NCS12S1203C

65

NCS12S1215C, NCS12D1205C, NCS12D4805C

60

All other types

44

Thermal shutdown

Case Temperature

Single 3.3V & 5V outputs

135

All other types

120