● 1kVDC Isolation
ECONOLINE
Features
● Internal SMD Construction
● UL94V-0 Package Material
● Optional Continuous Short Circuit Protected
● Efficiency to 80%
DC/DC-Converter
Unregulated
Converters
RQS & RQD
Series
Selection Guide
Part
Number
Input
Voltage
Output
Voltage
Output
Current
Efficiency
SMD
(VDC)
(VDC)
1.8
3.3
5
(mA)
139
76
50
28
21
17
10
70
38
25
14
11
9
(%)
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
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
1.8, 3.3, 5, 9, 12, 15, 24
70
0.25 Watt
SMD
Single & Dual
Output
65-70
66-72
70-72
70-72
70-76
70-80
70
9
12
15
24
1.8
3.3
5
65-70
66-72
70-72
70-72
70-76
70-80
9
12
15
24
RQD-xx24
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
10%
5%
Output Voltage Accuracy
Line Voltage Regulation
1.2%/1% of Vin typ.
Load Voltage Regulation
(10% to 100% full load)
1.8V, 3.3V output types
5V output type
9V, 12V, 15V, 24V output types
20% max.
15% max.
10% max.
Output Ripple and Noise (20MHz limited)
Operating Frequency
100mVp-p max.
50kHz min. / 100kHz typ. / 105kHz max.
65% min. / 75% typ.
Derating-Graph
(Ambient Temperature)
Efficiency at Full Load
No Load Power Consumption
45mW min. / 75mW typ. / 105mW max.
Isolation Voltage
Rated Working Voltage
(tested for 1 second)
(long term isolation)
1000VDC min.
see Application Notes
Isolation Capacitance
Isolation Resistance
25pF min. / 82pF max.
100
80
10 GΩ min.
Short Circuit Protection
P-Suffix
1 Second
Continuous
60
Safe Operating Area
Operating Temperature Range (free air convection)
Storage Temperature Range
-40°C to +85°C (see Graph)
40
20
0
-55°C to +125°C
245°C (30 sec) max.
(for more details see Application Notes)
Reflow Temperature
ROHS compliant
100
85
-40
0
50
150
95
Relative Humidity
Package Weight
95% RH
1.5g
Operating Temperature °C
RQS types
RQD types
2.2g
MTBF (+25°C)
using MIL-HDBK 217F
using MIL-HDBK 217F
1345 x 103 hours
310 x 103 hours
Detailed Information see
Application Notes chapter "MTBF"
}
(+85°C)
www.recom-international.com
July-2006
11