Features
Unregulated
Converters
Selection Guide
Part
Number
SMD
RQS-xx1.8
RQS-xx3.3
RQS-xx05
RQS-xx09
RQS-xx12
RQS-xx15
RQS-xx24
RQD-xx1.8
RQD-xx3.3
RQD-xx05
RQD-xx09
RQD-xx12
RQD-xx15
●
●
●
●
●
1kVDC Isolation
Internal SMD Construction
UL94V-0 Package Material
Optional Continuous Short Circuit Protected
Efficiency to 80%
ECONOLINE
DC/DC-Converter
RQS
&
RQD
Series
0.25 Watt
SMD
Single
&
Dual
Output
Input
Voltage
(VDC)
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
1.8, 3.3, 5, 9, 12, 15, 24
Output
Voltage
(VDC)
1.8
3.3
5
9
12
15
24
±1.8
±3.3
±5
±9
±12
±15
Output
Current
(mA)
139
76
50
28
21
17
10
±70
±38
±25
±14
±11
±9
Efficiency
(%)
70
65-70
66-72
70-72
70-72
70-76
70-80
70
65-70
66-72
70-72
70-72
70-76
70-80
RQD-xx24
1.8, 3.3, 5, 9, 12, 15, 24
±24
±5
xx = Input Voltage
* add Suffix “P” for Continuous Short Circuit Protection, e.g.
RQS-051.8/P, RQD-051.8/P
Specifications
(Core Operating Area)
Input Voltage Range
Output Voltage Accuracy
Line Voltage Regulation
Load Voltage Regulation
(10% to 100% full load)
Output Ripple and Noise (20MHz limited)
Operating Frequency
Efficiency at Full Load
No Load Power Consumption
Isolation Voltage
Rated Working Voltage
Isolation Capacitance
Isolation Resistance
Short Circuit Protection
P-Suffix
Operating Temperature Range (free air convection)
Storage Temperature Range
Reflow Temperature
Relative Humidity
Package Weight
MTBF (+25°C)
(+85°C)
(tested for 1 second)
(long term isolation)
1.8V, 3.3V output types
5V output type
9V, 12V, 15V, 24V output types
±10%
±5%
1.2%/1% of Vin typ.
20% max.
15% max.
10% max.
100mVp-p max.
50kHz min. / 100kHz typ. / 105kHz max.
65% min. / 75% typ.
45mW min. / 75mW typ. / 105mW max.
1000VDC min.
see Application Notes
25pF min. / 82pF max.
10 GΩ min.
1 Second
Continuous
-40°C to +85°C (see Graph)
-55°C to +125°C
ROHS compliant
245°C (30 sec) max.
(for more details see Application Notes)
RQS types
RQD types
Detailed Information see
Application Notes chapter "MTBF"
100
80
Derating-Graph
(Ambient Temperature)
Output Power (%)
60
40
20
0
Safe Operating Area
-40
95% RH
1.5g
2.2g
1345 x 10
3
hours
310 x 10
3
hours
85 100
95
Operating Temperature °C
0
50
150
}
using MIL-HDBK 217F
using MIL-HDBK 217F
July-2006
www.recom-international.com
11