English
Language : 

RAM-0505S Datasheet, PDF (1/2 Pages) Recom International Power – 25°C, nominal input voltage and rated output current unless otherwise specified
Features
Unregulated
Converters
● 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
ECONOLINE
DC/DC-Converter
Selection Guide
Part
Number
SMD
Isolation Input
Voltage Voltage
(kV) (VDC)
Output
Voltage
(VDC)
Output
Current
(mA)
Efficiency
(typ.)
RAM-0505S* 3
5
5
200
78%
RAM-1205S* 3
12
5
200
80%
RAM-2405S* 3
24
5
200
80%
* 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
Capacitive
Load
(max.)
1000µF
1000µF
1000µF
1 Watt SMD
Single Output
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.
RoHS
2011/65/EU
6/6
Operating Frequency (Vin=nominal input)
20kHz min. / 50kHz typ. / 90kHz max.
Efficiency
see Selection Guide
Minimum Load = 0%
Isolation Voltage
Isolation Voltage
Isolation Capacitance
H-Suffix
H-Suffix
Specifications valid for 10% minimum load only
(tested for 1 minute)
3000 VDC
(tested for 1 second)
3750 VDC
(tested for 1 minute)
4000 VDC
(tested for 1 second)
5000 VDC
4pF typ., 10pF max.
EN-60601-1 Certified
EN-60950-1 Certified
RAM
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 compliant
245°C (30 sec.), Peak 255°C (5sec.) max.
Vapour Phase Process
(for more details see Application Notes)
230°C (90 sec.) max.
Relative Humidity
95% RH
Package Weight
1.3g
Packing Quantity
All Types
27 pcs per Tube
All Types
500 pcs per Reel
} MTBF (+25°C) Detailed Information see
MTBF (+85°C) Application Notes chapter "MTBF"
using MIL-HDBK 217F
using MIL-HDBK 217F
4780 x 10³ hours
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
EN60950-1, 2nd Edition
Notes
Note 1: Maximum capacitive load is defined as the capacitive load tha will allow start up in under
Derating-Graph
(Ambient Temperature)
100
80
60
Safe Operating Area
40
20
0
-40 0 50 100 150
Operating Temperature °C
1 second without damage to the converter.
Refer to Application Notes
E-60
REV: 0/2013
www.recom-electronic.com