Features

ECONOLINE● 1:1 Input Range● Efficiency up to 80%● 3kVDC and 4kVDC Isolation Option● Approved for Medical Applications● -40°C to +100°C Operating Temperature Range● Continuous Short Circuit Protection

Unregulated
Converters

DC/DC-Converter

Selection GuidePart
NumberSMD

Isolation
Voltage(kV)

Input
Voltage(VDC)

OutputVoltage(VDC)

OutputCurrent(mA)

Efficiency(typ.)

Capacitive
Load(max.)

RAM-0505S*

35520078%

1000µF

RAM-1205S*

312520080%

1000µF

RAM-2405S*

324520080%

1000µF

1 Watt SMD
Single Output* add Suffix “/H“ for Isolation 4kVDC/1min. e.g. RAM-0505S/H* add Suffix “-R“ for tape&reel packing e.g. RAM-1205S-R or RAM-2405S/H-R

Specifications (measured at TA = 25°C, nominal input voltage and rated output current unless otherwise specified)
Input Voltage Range±10%

Output Voltage Accuracy-1% typ., ±5% max.

Line Voltage Regulation(low line to high line at max. load)

1.2% typ., 1.5% max.

Load Voltage Regulation(10% to 100% full load)

10% typ., 15% max.

Output Ripple and Noise (20MHz BW limited)

50mVp-p typ., 100mVp-p max.

Operating Frequency (Vin=nominal input)

20kHz min. / 50kHz typ. / 90kHz max.

Efficiency

see Selection Guide

Minimum Load = 0%RoHS

2011/65/EU
6/6

EN-60601-1 Certified
EN-60950-1 Certified

Specifications valid for 10% minimum load only

Isolation Voltage(tested for 1 second)

Isolation Voltage

3750 VDC(rated for 1 minute**)3000 VDC

H-Suffix(tested for 1 second)5000 VDC

H-Suffix(rated for 1 minute**)RAM

4000 VDC

Isolation Capacitance

4pF typ., 10pF max.

Isolation Resistance(Viso=500V)

15GΩ min.

Short-Circuit Protection

continuous

Operating Temperature Range-40°C to +100°C

Storage Temperature-55°C to +125°C

Reflow Temperature

RoHS compliantVapor Phase Process(for more details see Application Notes)

Derating-Graph(Ambient Temperature)

245°C (30 sec.), Peak 255°C (5sec.) max.
230°C (90 sec.) max.

10095% RH

Package Weight

1.3g

80

All Types

27 pcs per Tube60

All Types

500 pcs per Reel

Packing Quantity
MTBF (+25°C)
MTBF (+85°C)}

Detailed Information see
Application Notes chapter "MTBF"

using MIL-HDBK 217F

4780 x 10³ hours

using MIL-HDBK 217F

1310 x 10³ hours

Certifications
EN Medical Safety

Report: MDD1112018 + RM1112018

IEC/EN 60601-1 3rd Edition

Medical Report + ISO14971 Risk Assessment
EN General Safety

Report: SPCLVD1112018

Output Power (%)

Relative Humidity

40

Safe Operating Area

200-40050

100150Operating Temperature °C

EN60950-1, 2nd Edition**Any data referred to in this datasheet are of indicative nature and based on our practical experience only. For further details, please refer
to our Application Notes.

Refer to Application Notes
E-62

REV: 0/2015

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RAM Series

ECONOLINE
DC/DC-Converter
Typical Characteristics

RAM-xx05S

Tolerance Envelope+10%Efficiency / Load+5%ad Line

Output Voltage

V Nom.

+5%100 1%80

 5%601205

Efficiency %50%0505

2024054010%

Deviation / Load
25

Deviation from Nominal (%)

Typical L
o20
0

100%

0% 20%
40%60%
Total Output current (%)

80%100%0505

1205

1510502405-5-100% 20%
40%60%
Total Output current (%)

80%

100%

Output Load Current (%)
Notes
Note 1: Maximum capacitive load is defined as the capacitive load tha will allow start up in under 1 second without damage to the converter

EMC Filtering - Suggestion for EN55022 Class B
470pF/6kVDC
Input
Voltage

DCInput+Output

C15V

10µF

12V

4.7µF

24V

22µF

RAMDC

GND

Inductance/
Capacitance (C1)

GND

Package Style and Pinning
8.70

18.00
6.70

4.05 max.

Pin Connections
Pin #Function

10.65

1.27x131

28 27

17 16 15

TOP VIEW

Pb

1 2

12 13 14-Vin

12-Vout

13+Vout

14~17NC

27,28NC

NC = No Connection

1.27

11.80

RECOM
RAM-xx05S

9.00

1.40

Recommended Footprint Details+Vin

2Unit:
Tolerance:mm± 0.25 mm

0.90

13*1.27= 16.51
The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM’s explicit
written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer
shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications.

www.recom-power.com

REV: 0/2015

E-63