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% Specifications valid for 10% minimum load only
Isolation Voltage (tested for 1 second) 3750 VDC
(rated for 1 minute**) 3000 VDC
Isolation Voltage H-Suffix (tested for 1 second) 5000 VDC
H-Suffix (rated for 1 minute**) 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 compliant 245°C (30 sec.), Peak 255°C (5sec.) max.
Vapor 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) using MIL-HDBK 217F 4780 x 10³ hours
MTBF (+85°C) 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 EN60950-1, 2nd Edition
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Detailed Information see
Application Notes chapter "MTBF"
Derating-Graph
(Ambient Temperature)
Selection Guide
Part Isolation Input Output Output Capacitive
Number Voltage Voltage Voltage Current Efficiency Load
SMD (kV) (VDC) (VDC) (mA) (typ.) (max.)
RAM-0505S* 3 5 5 200 78% 1000µF
RAM-1205S* 3 12 5 200 80% 1000µF
RAM-2405S* 3 24 5 200 80% 1000µF
* 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 T
A
= 25°C, nominal input voltage and rated output current unless otherwise specified)
1 Watt SMD
Single Output
●
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
Features
Unregulated
Converters
EN-60601-1 Certified
EN-60950-1 Certified
RAM
ECONOLINE
DC/DC-Converter
Refer to Application Notes
