ECONOLINE
DC/DC-Converter
with 3 year Warranty
RM/E
Selection Guide
0.25 Watt
SIP4
Single Output
Derating-Graph
(Ambient Temperature)
● 1 : 1 Input Range
●
0.25W SIP4 Package
●
Efficiency up to 82%
●
1kVDC and 2kVDC Isolation Option
●
Operating Temperature from -40°C to +100°C
Features
Unregulated
Converter
Part Input Output Output Efficiency Max
Number Voltage Voltage Current typ. Capacitive
SMD (VDC) (VDC) (mA) (%) Load
(1)**
RM-3.305S/E* 3.3 5 50 80 1000µF
RM-0505S/E* 5 5 50 82 1000µF
RM-1205S/E* 12 5 50 78 1000µF
Other input and output voltage combinations available on request
*add Suffix „H“ for 2 kVDC Isolation, e.g. RM-3.305S/HE
Refer to Application Notes
Specifications
(
measured at T
A
= 25°C, nominal input voltage full load and after warm-up)
Input Voltage Range ±10% max.
Voltage set accuracy 100% Load/nominal Vin -2% typ. / ±5% max.
Line Regulation Low Line to High Line @ max. Load 1,2% typ.
Load Regulation (10% to 100% Load) 4% typ. / 10% max.
Ripple & Noise @ 20MHz BW RM-3.305S/E 35mVp-p typ. / 60mVp-p max.
others 35mVp-p typ. / 50mVp-p max.
Efficiency 100% Load 70% min.
Operating Temperature -40°C to + 100°C
Storage Temperature -55°C to +125°C
Isolation Voltage (tested for 1 second) 1000VDC
(rated for 1 minute**) 500VAC / 60Hz
Isolation Voltage H-Suffix (tested for 1 second) 2000VDC
H-Suffix (rated for 1 minute**) 1000VAC / 60 Hz
Isolation Capacitance 75PF max.
Isolation Resistance Viso = 500V 10 GΩ min.
Humidity 95% max.
Operating Frequency Vin (nom.) 20kHz min. / 70 kHz max.
Short-Circuit Protection 1 Second
MTBF Using MIL-HDBK 217F (+100°C) 1352 x 10³ hours
Using MIL-HDBK 217F (+25°C) 4494 x 10³ hours
Detailed Information see Application Notes chapter „MTBF“
Weight 1.4 g
Description
The RM/E series DC/DC converter has been designed to offer exceptionally high
efficiency, low quiescent current and an extended operating temperature range.
Uses include battery powered supplies, high efficiency designs or high
temperature applications.
