Industrial Power Supply 50W Output 5V/10A XD50-24S5-POCW
Key Features
Output power: 50W
Wide input range: 20-60VDC
High conversion efficiency: Up to 88%
Line regulation to ±1%
Load regulation to ±1%
Fixed operating frequency
Isolation Voltage :1500V
Enable (On/Off) Control
Output over-load protection
Output over -voltage protection
Hiccup mode short circuit protection
Input under-voltage lock-out
Output voltage trim: -8～+10% Vout
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
|
|
|
65
|
Vdc
|
Continuous, non-operating
|
|
|
|
60
|
Vdc
|
Continuous, operating
|
|
|
|
65
|
Vdc
|
Operating transient protection,<100mS
|
|
Isolation voltage
|
|
|
2000
|
Vdc
|
Input to output
|
|
Operating Temperature
|
-40
|
|
100
|
℃
|
PCB temperature
|
|
Storage Temperature
|
-55
|
|
115
|
℃
|
Ambient temperature,
|
|
Enable to –Vin Voltage
|
-2
|
|
15
|
Vdc
|
|
Input Characteristics
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
Notes
|
|
Input voltage range
|
20
|
24
|
60
|
Vdc
|
Continuous
|
|
Under-Voltage Lockout
|
19.0
|
19.5
|
19.9
|
Vdc
|
Turn - On threshold
|
|
18.0
|
18.5
|
19.0
|
Vdc
|
Turn - Off threshold
|
|
Maximum Input Current
|
|
|
3.5
|
A
|
Full load, Min. input
|
|
Efficiency
|
|
88
|
|
%
|
|
|
Dissipation
|
|
2
|
6
|
W
|
No load
|
|
Recommend External Input Capacitance
|
|
100
|
|
uF
|
Typical ESR 0.1-0.2W
|
Output Characteristics
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
Notes
|
|
Output Voltage Set point
|
4.95
|
5.00
|
5.05
|
Vdc
|
Nominal input; No load
|
|
Output Voltage Range
|
4.90
|
5.00
|
5.10
|
Vdc
|
|
|
Output Current Range
|
0
|
|
10
|
A
|
Subject to thermal derating
|
|
Line Regulation
|
|
±0.2
|
±1
|
%
|
Low line to high line; full load
|
|
Load Regulation
|
|
±0.2
|
±1
|
%
|
No load to full load; nominal input
|
|
Temperature Regulation
|
|
|
±0.02
|
% / °C
|
Over operating temperature range
|
|
Current limit
|
|
12.5
|
|
A
|
Output voltage 90% of nominal
|
|
Short circuit current
|
|
10
|
20
|
A
|
Output voltage <250 mV
|
|
Ripple (RMS)
|
|
15
|
|
mV
|
20 MHz bandwidth.
|
|
Noise(Peak-to-Peak)
|
|
75
|
|
mV
|
|
Maximum Output Cap.
|
|
|
4000
|
μF
|
|
Dynamic Response Characteristics
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
Notes
|
|
Change in Output Current
(di/dt= 0.1A/us)
|
|
250
|
|
mV
|
50% to 75% to 50% Iout max
|
|
Change in Output Current
(di/dt= 2.5A/us)
|
|
250
|
|
mV
|
50% to 75% to 50% Iout max
|
|
Settling Time
|
|
|
300
|
uS
|
To within 1% Vout nom.
|
|
Turn-on delay Time
|
|
5
|
|
mS
|
Full load; Vin toVout=90% nom.
|
|
Output voltage overshoot
|
|
|
5
|
%
|
|
Functional Characteristics
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
Notes
|
|
Switching Frequency
|
180
|
200
|
230
|
KHz
|
|
|
Output Voltage Trim
|
|
|
10
|
%
|
Trim Up,
|
|
|
|
8
|
%
|
Trim Down
|
|
Enable Source Current
|
|
|
1
|
mA
|
|
|
Enable (On - Off Control) Positive Logic
|
1
|
|
15
|
Vdc
|
On–Control, Logic high or floating
|
|
-0.5
|
|
0.3
|
Vdc
|
Off–Control, Logic low
|
|
Short – Circuit Protection
|
|
|
65
|
mΩ
|
Type: Hiccup Mode, Auto Recovery, Short–Circuit Resistance
|
|
Output over-load protection
|
110
|
|
|
%
|
|
|
Output over -voltage protection
|
110
|
|
130
|
%
|
No load
|
Isolation Characteristics
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
Notes
|
|
Isolation Voltage
|
1,500
|
|
|
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
|
1
|
|
|
MHrs
|
TR-NWT-000332; 80% load,300LFM, 40℃ Ta
|
Environmental Characteristics
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
Notes
|
|
Operating Temperature
|
-40
|
|
100
|
℃
|
Extended, base PCB temperature
|
|
Storage Temperature
|
-55
|
|
115
|
℃
|
Ambient
|
|
Humidity
|
20
|
|
95
|
%R.H.
|
Relative Humidity, Non - Condensing
|
Standards Compliance
|
Parameter
|
Notes
|
|
MIL-STD-704
|
|
|
MIL-STD-1399
|
|
|
MIL-STD-810
|
|
|
UL/cUL60950
|
|
|
EN60950
|
|
|
GB4943
|
|
|
IEC 61000-4-2
|
|
Typical Wave and Curves
Figure1 Efficiency VS. output current, Ta=25℃
Figure2 Power dissipation VS. output current, Ta= 25℃
Figure3 Output power derating curve, rated input, air flowing across the converter from pin1 to pin3
Figure4 Output ripple&noise
Figure5 Thermal image, rated Vin, air flow across the converter from pin1 to pin3, 200LFM,25℃,full load
Figure6 Thermal image, rated Vin, air flow across the converter from input to output, 200LFM,25℃,full load
Figure7 Output voltage startup, full load, 10ms/div, Ch1:Vout(2V/div), Ch2:ON/OFF input(200mV/div)
Figure8 Output voltage shutdown, full load, 10ms/div, Ch1:Vout(2V/div), Ch2:ON/OFF input(200mV/div)
Figure9 Dynamic response for 25% load step(50%~75%~50%) and 0.1A/us slew rate
Figure10 Dynamic response for 25% load step(50%~75%~50%) and 2.5A/us slew rate
Mechanical Outline
Notes:
1. All pins are 0.040” (1.02mm) dia. with 0.065” (1.65mm) dia. standoff shoulders.
2. Tolerances: x.xx ±0.02 in. (x.x ±0.5mm)
x.xxx ±0.010 in. (x.xx ±0.25mm)
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
|
Vout(-)
|
Negative output voltage
|
|
6
|
Trim
|
Output voltage trim. Leave TRIM pin open for nominal output voltage.
|
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