www.recom-power.com

REV.: 0/2022

ECO-3

DC/DC Converter

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

RSH3

Series

CTRL Circuit

RSH3-12XXS_D

RSH3-24xxS_D

+V

out

+V

in

CTRL

-V

out

-V

in

4.5VDC

-Vin

+Vin

VCTRL

-Vout

+Vout

IN4148

+V

out

+V

in

CTRL

-V

out

-V

in

68

Ω

4.5VDC

-Vin

+Vin

VCTRL

-Vout

+Vout

REGULATIONS

Parameter

Condition

Value

Output Accuracy

±1.0% max.

Line Regulation

low line to high line, full load

±0.2% max.

Load Regulation (6)

0% to 100% load

0.5% max.

Cross Regulation

Asymmetrical load 25%/100%

dual output only

±5.0% max.

Notes:

Note6: Operation below 20% load will not harm the converter, but specifications may not be met

PROTECTIONS

Parameter

Type

Value

Short Circuit Protection (SCP)

below 100m

W

continuous, auto recovery

Over Load Protection (OLP)

100% load

160% typ.

Isolation Voltage (7)

I/P to O/P

with suffix “H2”

tested for 1 minute

2kVDC

0.5kVAC

with suffix “H3”

tested for 1 minute

3kVDC

1kVAC

Isolation Resistance

1G

W min.

Isolation Capacitance

50pF typ.

Notes:

Note7: For repeat Hi-Pot testing, reduce the time and/or the test voltage

Note8: Refer to local safety regulations if input over-current protection is also required. Recommended fuse: slow blow type

ENVIRONMENTAL

Parameter

Condition

Value

Operating Temperature Range

@ natural convection 0.1m/s

refer to

“Derating Graph”

-40°C to +100°C

Maximum Case Temperature

105°C

Temperature Coefficient

±0.05%/K

Operating Altitude

5000m

Operating Humidity

non-condensing

5% to 95% RH max.

Pollution Degree

PD2

Vibration

according to MIL-STD-202G

10-55Hz, 2G, 30min along x y and z axes

MTBF

according to MIL-HDBK-217F, G.B.

+25°C

+81°C

2872 x 10³ hours

836 x 10³ hours

continued on next page