JCK50 Series

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2

DC-DC Converter

Input

Output

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Output Voltage

3.3

15

VDC

See Models and Ratings table

Initial Set Accuracy

±1.0

%

At full load

Output Trim

±10

%

See Application Notes

Minimum Load

A

No minimum load required

Line Regulation

±0.5

%

From minimum to maximum input at full load

Load Regulation

±0.5

%

From 0 to full load

Transient Response

±3.0

% deviation

Recovery within 1% in less than 250 µs for a 25% load

change.

Ripple & Noise

100

mV pk-pk

20 MHz bandwidth. Measured using 1µF MLCC

Overload Protection

120

140

%

Short Circuit Protection

Continuous Trip & Restart (Hiccup mode), with auto recovery

Maximum Capacitive Load

See Models and Ratings table

Temperature Coefficient

0.02

%/ ˚C

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Input Voltage Range

9

18

VDC

12 V nominal

18

36

24 V nominal

36

75

48 V nominal

Input Filter

Internal Pi type

Input Surge

25

VDC for 100 ms

12 V models

50

24 V models

100

48 V models

Remote On/Off

ON: Logic high (3.0-12 V) or open circuit

OFF: Logic low (<1.2 V) or short pin 2 to pin 3

General

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Efficiency

91

%

See Models and Ratings table

Isolation: Input to Output

1600

VDC

60 s

Isolation: Input & Output to Case

1600

VDC

60 s

Isolation Resistance

Ω

At 500 VDC

Isolation Capacitance

2000

pF

Switching Frequency

250/270

kHz

12 V input models / other models

Power Density

62.5

Mean Time Between Failure

220

kHrs

MIL-HDBK-217F, +25 °C GB

Weight

0.1 (45.0)

lb (g)

Environmental

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Operating Temperature

-40

+95

°C

See Derating Curve.

Storage Temperature

-40

+125

°C

Case Temperature

+110

°C

Thermal Protection

115

°C

Measured at centre of case

Humidity

95

%RH

Non-condensing

Cooling

Natural convection

Thermal Impedance to Air

9.5/8.5

°C/W

No heatsink / with heatsink

EMC: Emissions

Phenomenon

Standard

Test Level

Notes & Conditions

Conducted

EN55022

Class A