| Gaoxin Industrial Park,Guangming New Zone,Shenzhen City, Guangdong Province, China | Angelwang66@126.com |
 |
| Place of Origin: | China |
| Brand Name: | Enargy |
| Model Number: | XD50-24DB18-POC |
| Minimum Order Quantity: | 1pcs |
|---|---|
| Price: | Negotiation |
| Delivery Time: | 1-8 Weeks |
| Payment Terms: | Negotiation |
| Supply Ability: | 15000Pcs/week |
| High Light: | industrial power supplies,isolated power supply |
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|---|---|---|---|
Industrial Power Supply 50W Output ±18V/1.4A XD50-24DB18-POC
Key Features
Output power: 50W
Wide input range: 18-36VDC
High conversion efficiency: Up to 90%
Fixed operating frequency
Isolation Voltage :1500V
Enable (On/Off) Control
Output over-voltage protection
Output over-load protection
Hiccup mode short circuit protection
Over-temperature protection
Input under-voltage lock-out
Product Overview
These DC-DC converter modules use advanced power processing, control and packaging technologies to provide the performance, flexibility, reliability and cost effectiveness of a mature power component. High frequency switching provides high power density with low noise and high efficiency.
Electric Characteristics
Electrical characteristics apply over the full operating range of input voltage, output load and ambient temperature, unless otherwise specified.
Absolute maximum ratings
|
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 |
|
Input Characteristics
|
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 |
|
Output Characteristics
|
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 |
|
Dynamic Response Characteristics
|
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 |
Functional Characteristics
|
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 |
Protections Characteristics
|
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 |
Isolation Characteristics
|
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 |
|
General Characteristics
|
Parameter |
Min |
Typ |
Max |
Units |
Notes |
|
Weight |
|
25 |
|
g |
|
|
MTBF ( calculated ) |
|
1 |
|
MHrs |
80% load, 40℃ Ta |
Environmental Characteristics
|
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 |
Standards Compliance
|
Parameter |
Notes |
|
UL/cUL60950 |
|
|
EN60950 |
|
|
GB4943 |
|
|
Needle Flame Test (IEC 695-2-2) |
|
|
IEC 61000-4-2 |
|
Mechanical Outline
Pin Designations
|
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 |
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