Features
Unregulated
Converters
●
●
●
●
●
ECONOLINE
1kVDC Isolation
Internal SMD Construction
UL94V-0 Package Material
Optional Continuous Short Circuit Protected
Efficiency to 80%
DC/DC-Converter
RQS & RQD
Series
Selection Guide
Part
Number
Input
Voltage
Output
Voltage
Output
Current
Efficiency
(VDC)
(VDC)
(mA)
(%)
RQS-xx1.8
1.8, 3.3, 5, 9, 12, 15, 24
1.8
139
70
RQS-xx3.3
1.8, 3.3, 5, 9, 12, 15, 24
3.3
76
65-70
RQS-xx05
1.8, 3.3, 5, 9, 12, 15, 24
5
50
66-72
RQS-xx09
1.8, 3.3, 5, 9, 12, 15, 24
9
28
70-72
RQS-xx12
1.8, 3.3, 5, 9, 12, 15, 24
12
21
70-72
RQS-xx15
1.8, 3.3, 5, 9, 12, 15, 24
15
17
70-76
RQS-xx24
1.8, 3.3, 5, 9, 12, 15, 24
24
10
70-80
RQD-xx1.8
1.8, 3.3, 5, 9, 12, 15, 24
±1.8
±70
70
RQD-xx3.3
1.8, 3.3, 5, 9, 12, 15, 24
±3.3
±38
65-70
RQD-xx05
1.8, 3.3, 5, 9, 12, 15, 24
±5
±25
66-72
RQD-xx09
1.8, 3.3, 5, 9, 12, 15, 24
±9
±14
70-72
RQD-xx12
1.8, 3.3, 5, 9, 12, 15, 24
±12
±11
70-72
RQD-xx15
1.8, 3.3, 5, 9, 12, 15, 24
±15
±9
70-76
SMD
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
0.25 Watt
SMD
Single & Dual
Output
70-80
Specifications (Core Operating Area)
Input Voltage Range
±10%
Output Voltage Accuracy
±5%
Line Voltage Regulation
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)
100mVp-p max.
Operating Frequency
50kHz min. / 100kHz typ. / 105kHz max.
Efficiency at Full Load
No Load Power Consumption
Isolation Voltage
Rated Working Voltage
45mW min. / 75mW typ. / 105mW max.
(tested for 1 second)
(long term isolation)
25pF min. / 82pF max.
Isolation Resistance
1 Second
Continuous
Operating Temperature Range (free air convection)
MTBF (+25°C)
(+85°C)
}
-40°C to +85°C (see Graph)
ROHS compliant
-55°C to +125°C
245°C (30 sec) max.
(for more details see Application Notes)
95% RH
1.5g
2.2g
RQS types
RQD types
Detailed Information see
Application Notes chapter "MTBF"
www.recom-international.com
100
10 GΩ min.
Short Circuit Protection
P-Suffix
Relative Humidity
Package Weight
(Ambient Temperature)
1000VDC min.
see Application Notes
Isolation Capacitance
Storage Temperature Range
Reflow Temperature
Derating-Graph
65% min. / 75% typ.
using MIL-HDBK 217F
1345 x 103 hours
using MIL-HDBK 217F
310 x 103 hours
July-2006
80
Output Power (%)
Load Voltage Regulation
(10% to 100% full load)
1.2%/1% of Vin typ.
60
40
Safe Operating Area
20
0
85 100
95
Operating Temperature °C
-40
0
50
150
11
ECONOLINE
RQS & RQD
Series
DC/DC-Converter
Typical Characteristics
RQS/RQD-xx05
RQS/RQD-xx09
Efficiency / Load
Efficiency / Load
100
100
60
60
40
40
20
0
3.305
0%
40%
20%
60%
80%
100%
0
Deviation / Load
0505
20.000
3.305
10.000
5.000
0.000
1205
-5.000
0% 20%
40%
60%
Total Output current (%)
80%
100%
5.000
0.000
-10.000
0% 20%
40%
60%
Total Output current (%)
80%
100%
Efficiency / Load
3.312
1212
0515
80
60
40
40
0512
Efficiency %
Efficiency %
1209
-5.000
60
20
0%
40%
20%
60%
80%
1215
20
0
100%
0%
40%
60%
80%
100%
0% 20%
40%
60%
Total Output current (%)
80%
100%
20%
Total Output current (%)
Total Output current (%)
Deviation / Load
Deviation / Load
25.000
25.000
0512
20.000
3.312
Deviation from Nominal (%)
Deviation from Nominal (%)
100%
3.309
100
80
12
80%
10.000
100
10.000
5.000
-10.000
0509
15.000
Efficiency / Load
-5.000
60%
RQS/RQD-xx15
RQS/RQD-xx12
0.000
40%
20%
Deviation / Load
Deviation from Nominal (%)
Deviation from Nominal (%)
20.000
20.000
0%
25.000
15.000
15.000
0509
Total Output current (%)
25.000
0
3.309
20
Total Output current (%)
-10.000
1209
80
Efficiency %
Efficiency %
1205
0505
80
1212
0% 20%
40%
60%
Total Output current (%)
80%
100%
15.000
0515
10.000
5.000
0.000
-5.000
-10.000
July-2006
1215
www.recom-international.com
RQS & RQD
Series
Package Style and Pinning (mm)
3rd angle
projection
8 PIN SMD Package
12.75
8.15
12.10
7.90
5.35
1.65
8
5
RECOM
RQS-xxxx
xxxx
7.30
2.54 x 3
4
1 2
7.40
9.00
Pin Connections
11.10
Pin #
Recommended Footprint Details
1.20
12.00
Bottom View
0.55
2.54
8
5
1 2
4
Top View
1.20
Single
1
–Vin
2
+Vin
4
–Vout
5
+Vout
8
NC
NC = No Connection
XX.X ± 0.5 mm
XX.XX ± 0.25 mm
1.80
10 PIN SMD Package
8.15
15.24
14.70
5.35
1.65
10
7.90
RECOM
RQD-xxxx
xxxx
7.30
1 2
7.40
9.00
2.54x4
Pin #
Recommended Footprint Details
0.55
12.00
2.54
1.20
www.recom-international.com
10
7
Top View
1 2
4 5
Pin Connections
11.10
Bottom View
7
4 5
1.20
July-2006
1.80
Dual
1{
–Vin
2
+Vin
4
Com
5
–Vout
7
+Vout
10
NC
NC = No Connection
XX.X ± 0.5 mm
XX.XX ± 0.25 mm
13