High voltage dc-dc converter module / Industrial Power Supply Output ±18V / 1.4A XD50-24DB18-POC

Parameter

Min

Typ

Max

Units

Notes

Input Voltage

40

Vdc

Continuous, non-operating

38

Vdc

Continuous, operating

40

Vdc

Operating transient protection,<100mS

Isolation voltage

2000

Vdc

Input to output

Operating Temperature

-40

100

℃

Storage Temperature

-55

115

℃

Enable to –Vin Voltage

-0.5

15

Vdc

Parameter

Min

Typ

Max

Units

Notes

 input voltage range

18

24

36

Vdc

Continuous

Under-Voltage Lockout

17.0

17.5

18.0

Vdc

Turn - On threshold

16.0

16.5

17.0

Vdc

Turn - Off threshold

Maximum Input Current

3.2

A

Full load, Min. input

Efficiency

90

%

Recommend External Input Capacitance

100

uF

Typical ESR 0.1-0.2Ω

No-Load Input Power

0.2

W

Parameter

Min

Typ

Max

Units

Notes

Output Voltage Range

+17.82

+18.00

+18.18

Vdc

-17.28

-18.00

-18.72

Vdc

Output Current Range

0.14

1.4

A

+18V

0.14

1.4

A

- 18V

Line Regulation

+18V

±1

% Vout

Low line to high line; full load

- 18V

±4

% Vout

Load Regulation

+18V

±1

% Vout

Min load to full load; nominal input,

- 18V

±4

% Vout

Ripple (RMS)

+18V

50

mV

 20 MHz bandwidth. output with 10uF electrolytic capacitor and 0.1uF ceramic capacitor at full rated current.

- 18V

50

Noise(Peak-to-Peak)

+18V

60

mV

- 18V

60

Maximum Output Cap.

2200

μF

±18V

Parameter

Min

Typ

Max

Units

Notes

Change in Output Current

(di/dt= 0.1A/us) 

300

mV

25% ～50%～25%,

50% ～75%～50%  Iout1

Change in Output Current

(di/dt= 0.1A/us) 

300

mV

25% ～50%～25%,

50% ～75%～50%  Iout2

Change in Output Current

(di/dt= 0.5A/us) 

400

mV

25% ～50%～25%,

50% ～75%～50%  Iout1

Change in Output Current

(di/dt=0.5A/us) 

400

mV

25% ～50%～25%,

50% ～75%～50%  Iout2

Settling Time

300

uS

To within 1% Vout nom.

Turn-on Time

15

mS

Full load; Vout=90% nom,±18V

Shut-down fall time

0.2

mS

Full load; Vout=10% nom,±18V

Output voltage overshoot

5

%Vout

±18V

Parameter

Min

Typ

Max

Units

Notes

Switching Frequency

180

200

230

KHz

Regulation stage and Isolation stage

Enable Source Current

1

mA

Enable (On - Off Control)  Positive Logic

1.0

14.0

Vdc

On–Control, Logic high or floating

-0.5

0.3

Vdc

Off–Control, Logic low

Parameter

Min

Type

Max

Units

Notes

Over-Voltage Protection

120

%Vout1

Type: Voltage-Limit Mode

Minimum load at rated input voltage

120

%Vout2

Over-Load Protection

120

%Iout1

Type: Current–Mode, at rated input voltage, Pulse by Pulse Current Limit Threshold, %Rated Load.

120

%Iout2

Short – Circuit Protection

65

mΩ

Type: Hiccup Mode, Non– Latching, Auto–Recovery； Short–Circuit Resistance 

65

mΩ

Over–Temperature Protection

125

℃

Type: Non–Latching, Auto-Recovery；Threshold, PCB Temperature

25

℃

Hysteresis

Parameter

Min

Typ

Max

Units

Notes

Isolation Voltage

1500

Vdc

Input to Output

Isolation Resistance

100

MΩ

At 500VDC to test it when atmospheric pressure and R.H. is 90%

Isolation Capacitance

1000

pF

Parameter

Min

Typ

Max

Units

Notes

Weight

25

 g

MTBF ( calculated )

1

MHrs

80% load, 40℃ Ta

Parameter

Min

Typ

Max

Units

Notes

Operating Temperature

-55

+100

℃

Extended, base PCB temperature

Storage Temperature

-55

+125

℃

Ambient

Temperature Coefficient

±0.02

%/℃

Humidity

95

%R.H.

Relative Humidity, Non - Condensing

Parameter

Notes

UL/cUL60950

EN60950

GB4943

Needle Flame Test (IEC 695-2-2)

IEC 61000-4-2

Pin No.

Name

Function

1

Enable

TTL input to turn converter on and off, referenced to Vin(-), with internal pull up.

2

Vin(-)

Negative input voltage

3

Vin(+)

Positive input voltage　

4

Vout(+)

Positive output voltage

5

Com

Com

6

Vout(-)

Negative output voltage