DC/DC Power Supply Module

URA_YMD-6WR3 & URB_YMD-6WR3 Series

2014.07.17-A/0

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Input Current (full load / no-load)

24VDC input

--

316/5

--

mA

48VDC input

--

160/4

--

Reflected Ripple Current

24VDC input

--

20

--

48VDC input

--

20

--

Input impulse Voltage(1sec.max.)

24VDC input

-0.7

--

50

VDC

48VDC input

-0.7

--

100

Starting Voltage

24VDC input

--

--

9

48VDC input

--

--

18

under-voltage turn-off

24VDC input

5.5

6.5

--

48VDC input

14.0

15.5

--

Input Filter

Pi filter

Output Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Output Voltage Accuracy

--

±1

±3

%

Balance of Output Voltage

Dual output, balanced load

--

±0.5

±1.5

Line Voltage Regulation

Full load, the input voltage is from low voltage to

high voltage

--

±0.2

±0.5

Load Regulation

5%-100% load

--

±0.5

±1

Cross Regulation

Dual output, main circuit with 50% load,

auxiliary circuit with 10%-100% load

--

--

±5

Transient Recovery Time

25%load stepchange

--

300

500

μs

Transient Response Deviation

3.3V, 5V, ±5V output

--

±5

±8

%

Others

--

±3

±5

Temperature Drift Coefficient

Full load

--

--

±0.03

Ripple & Noise*

20MHz bandwidth

--

60

85

mV p-p

Output Over-voltage Protection

Input voltage range

110

--

160

%Vo

Output Over-current Protection

110

140

190

%Io

Output Short circuit Protection

Continuous, self-recovery

Note:*Parallel line test method is adopted to test ripple and noise, please see

General Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Insulation Voltage

Input-output, with the test time of 1 minute and the

leak current lower than 1mA

1500

--

--

VDC

Insulation Resistance

Input-output, insulation voltage 500VDC

1000

--

--

MΩ

Isolation Capacitance

Input-output, 100KHz/0.1V

--

1000

--

pF

Operating Temperature

-40

--

85

℃

Storage Humidity

Without condensation

5

--

95

%

Storage Temperature

-55

--

125

℃

Max. Operating Temperature

for Casing

Within the operating temperature curve

--

--

105

Lead Temperature

Welding spot is 1.5mm away from the casing, 10

seconds

--

--

300

Vibration

10-55Hz, 10G, 30 Min. along X, Y and Z

Switching Frequency *

PWM mode

--

300

--

KHz

MTBF

MIL-HDBK-217F@25℃

1000

--

--

K hours

Note:* This series of products using reduced frequency technology, the switching frequency is test value of full load,When the load is reduced to below50%, the

switching frequency decreases with decreasing load.

Physical Specifications

Casing Material

Aluminum alloy