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REV.: 0/2023

PA-4

AC/DC Converter

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)

RACM30-K/277

Series

REGULATIONS

Parameter

Condition

Value

Output Accuracy

single output

±2.0% typ.

dual output

±3.0% typ.

Line Regulation

low line to high line

5Vout

±1.0% typ.

others

±0.5% typ.

Load Regulation (7)

10% to 100% load

5Vout

±3.0% typ.

others

±1.0% typ.

Cross Regulation

dual output only

±10.0% typ.

Transient Response

25% load step change

4.0% max.

recovery time

500µs typ.

PROTECTIONS

Parameter

Type

Value

Input Fuse (8)

internal

T3.15A, slow blow type

Short Circuit Protection (SCP)

hiccup, auto recovery

Over Voltage Protection (OVP)

150% - 195%, hiccup mode

Over Current Protection (OCP)

<180%, hiccup mode

Over Voltage Category (OVC)

OVCIII 5000m

DC OK LED

only for “/PMP”

green

Class of Equipment

Class II

Isolation Voltage (9)

I/P to O/P, I/P to Case, O/P to Case

1 minute

4kVAC

Isolation Resistance

VISO = 500VDC

1G

Ω min.

Isolation Capacitance

I/P to O/P, 100kHz/0.1V

100pF max.

Insulation Grade

reinforced

Leakage Current

100µA max.

Notes:

Note7: Operation below 10% load will not harm the converter, but specifications may not be met

Notes:

Note8: For system integration with DC operation, consider a suitable DC fuse in front of the input

Note9: For repeat Hi-Pot testing, reduce the time and/or the test voltage

ENVIRONMENTAL

Parameter

Condition

Value

Operating Temperature Range

@ natural convection <0.1m/s

refer to

“Derating Graph”

-40°C to +90°C

Maximum Case Temperature

+110°C max.

Temperature Coefficient

0.02%/K

Operating Altitude (10)

5000m

Operating Humidity

non-condensing

90% RH max.

Polution Degree

potted version

PD3

Vibration

according to MIL-STD-202G

10-500Hz, 2G 10min./1cycle, period 60min.

each along x,y,z axes

continued on next page

Notes:

Note10: Recognized by safety agency for safe operation up to 5000m. High altitude operation may impact the performance and lifetime.