DCQA150 SERIES
Up to 150 Watts, Quarter-Brick DC/DC
Converters
Rev C
FEATURES
• Soft Start
• Low Stand-by Power Consumption
• Single Outputs
• Industry Standard Quarter-brick Package
• Up to 150 Watts Maximum Output Power
• Short Circuit, Over Voltage, Over Load, & Over Temp. Protection
• UL60950-1, EN60950-1, and IEC60950-1 Safety Approvals
• CE Marked
• RoHS & REACH Compliant
• Optional Heatsinks Available (Suffix “HS”)
• Threaded (Standard) or Thru-Hole (Optional) Inserts Available
• Input Under Voltage Protection
• High Efficiency up to 92%
• Remote ON/OFF Control
• 2:1 Wide Input Voltage Ranges
• No Minimum Load Required
• 2250VDC I/O Basic Insulation
• Voltage Adjustability
Size:
2.28 x 1.45 x 0.50 inches
(57.9 x 36.8 x 12.7 mm)
DESCRIPTION
The DCQA150 series of DC/DC power converters provides up to 150 Watts of output power in a 2.28” x
1.45” x 0.5” industry standard quarter-brick package. This series has single output models with 2:1 wide
input voltage ranges of 8.5-22VDC, 16.5-36VDC, and 33-75VDC. Some features include high efficiency up
to 92%, 2250VDC I/O basic insulation, and remote ON/OFF control. These converters are also protected
against input under voltage, short circuit, over voltage, over load, and over temperature conditions. All
models are RoHS compliant and have UL60950-1, EN60950-1, and IEC60950-1 safety approvals. Several
different options are available for this series including negative logic remote ON/OFF, heatsinks, and thru-
hole inserts.
Applications:
• Automation
• Telecom/Datacom
• Industry Control Systems
• IPC
• Measurement
MODEL SELECTION TABLE
Input Voltage
Output
Voltage
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
30 VDC
48 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
30 VDC
48 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
30 VDC
48 VDC
Output Current
Output
No Load
Output
Power
99W
120W
120W
120W
120W
120W
120W
99W
120W
120W
120W
120W
120W
120W
99W
125W
144W
150W
144W
150W
144W
Maximum
Capacitive Load
91000µF
48000µF
8300µF
Model Number
Efficiency
Range
Min Load
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
Max Load Ripple & Noise Input Current
DCQA150-12S33
DCQA150-12S05
DCQA150-12S12
DCQA150-12S15
DCQA150-12S24
DCQA150-12S30
DCQA150-12S48
DCQA150-24S33
DCQA150-24S05
DCQA150-24S12
DCQA150-24S15
DCQA150-24S24
DCQA150-24S30
DCQA150-24S48
DCQA150-48S33
DCQA150-48S05
DCQA150-48S12
DCQA150-48S15
DCQA150-48S24
DCQA150-48S30
DCQA150-48S48
30A
24A
10A
8A
5A
4A
2.5A
30A
24A
10A
8A
75mVp-p
75mVp-p
50mA
50mA
50mA
50mA
50mA
50mA
50mA
25mA
25mA
25mA
25mA
25mA
25mA
25mA
15mA
15mA
15mA
15mA
15mA
15mA
15mA
89%
90%
91%
91%
90%
90%
89%
89%
90%
91%
91%
91%
91%
89%
89%
91%
90%
90%
92%
91%
92%
100mVp-p
100mVp-p
200mVp-p
200mVp-p
300mVp-p
75mVp-p
12 VDC
5300µF
2100µF
1300µF
520µF
91000µF
48000µF
8300µF
5300µF
2100µF
1300µF
520µF
91000µF
50000µF
10000µF
6670µF
2500µF
1670µF
630µF
(8.5 - 22 VDC)
75mVp-p
100mVp-p
100mVp-p
200mVp-p
200mVp-p
300mVp-p
75mVp-p
24 VDC
(16.5 - 36 VDC)
5A
4A
2.5A
30A
25A
12A
10A
6A
75mVp-p
100mVp-p
100mVp-p
200mVp-p
200mVp-p
300mVp-p
48 VDC
(33 - 75 VDC)
5A
3A
NOTES
1. Input Source Impedance: The power modules will operate to specifications without external components, assuming that the source voltage has very low
impedance and reasonable input voltage regulation. Highly inductive source impedances can affect the stability of the power module. Since real-world
voltage sources have finite impedance, performance is improved by adding an external filter capacitor. We recommend using Nippon Chemi-con KY series,
100µF/100V.
2. Maximum output deviation is +10% inclusive of remote sense and trim. If remote sense is not being used, sense pins should connect to the output pins
with the same polarity.
3. The DCQA150 series can only meet EMI Class A or Class B with external components added. Please contact factory for more information.
4. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. We recommend connecting 2pcs of aluminum
electrolytic capacitors (Nippon chemi-con KY series, 220µF/100V).
5. Both positive logic and negative logic remote ON/OFF control is available. Positive logic remote ON/OFF comes standard; for negative logic remote
ON/OFF add the suffix “R” to the model number (Ex: DCQA150-48S24R).
6. Optional heatsinks available. See page 5 for ordering details.
7. M3 x 0.5 threaded-thru inserts come standard. For Ø.126 thru-hole inserts add the suffix “TH” to the model number (Ex: DCQA150-48S24TH). Models
with thru-hole inserts cannot be equipped with a heatsink.
8. BASE-PLATE GROUNDING: EMI can be reduced when you connect two screw bolts to shield plane..
CAUTION: This power module is not internally fused. An input line fuse must always be used.
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-
11/14/2013
9797
Page 1 of 8
website: www.wallindustries.com • e-mail: sales@wallindustries.com
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