UNR-5/8-D12 Murata Power Solutions Inc, UNR-5/8-D12 Datasheet
UNR-5/8-D12
Specifications of UNR-5/8-D12
Related parts for UNR-5/8-D12
UNR-5/8-D12 Summary of contents
Page 1
... The tight accuracy, low noise and quick transient response demanded by today's low voltage CPU's, ASIC's and DSP's make power processing at the point of use the only viable solution. The UNR 18-33W series pro- vides a complete line of non-isolated DC/DC converters to satisfy this requirement. ...
Page 2
... TOP VIEW (2.54) 2.00 0.110 (50.80) (2.79) 0.060 (1.52) INSULATED BASE 0.015 METAL CASE (0.38) DIMENSIONS ARE IN INCHES (MM) Technical enquiries email: sales@murata-ps.com, tel: UNR18-33W.B01 Page OUT Package (Case, Typ. Pinout) 86% C16A2, P23 86% C18, P25 89% C16A2, P23 89% C18, P25 92% C16A1, P23 ...
Page 3
... Return pins should never be left open or connected via high-impedance paths). I/O Filtering and Noise Reduction All UNR 18-33W Series converters are tested and specified with external 470μF input capacitors (20m ESR, 6Arms ripple-current rating) and external 22μF output capacitors (200m ESR). External input capacitance is ...
Page 4
... On/Off Control The On/Off Control pin may be used for remote on/off operation. UNR 18- 33W Series DC/DC converters are designed so that they are enabled when the control pin is pulled high or left open (normal mode) and disabled when the control pin is pulled low (to less than +0 ...
Page 5
... V O 9.47 –1. – 2.5 O 7.5(V – 1.27) O –1 DOWN 3.3 – 9.5 –1 – 3.3 O 7.5(V – 1.26 –1.0 T DOWN 3.3 – 9.41 –1 – 3 desired output voltage. O Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 UNR18-33W.B01 Page OUT –1.74 ...
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... Recommended PC Board Layout If necessary, a single pc board layout can accommodate both through-hole and SMT models of the UNR 18-33W Series. Note that on page 2 of this data sheet, the through-hole package is drawn with a bottom view of its pin locations, and the surface-mount package is drawn with of top view of its pin locations ...
Page 7
... On/Off Control to V Start-Up Time OUT D12 Models, Start-up from Enable (Full load, using specified output capacitor.) ENABLE 5V/div V OUT 1V/div UNR D5/D12 Series to 1.8/2.5/3. and 10 Amp DC/DC Converters IN 10msec/div 10msec/div Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 UNR18-33W.B01 Page OUT ...
Page 8
... UNR-3.3/8-D12T/D12SM Output Power vs. Ambient Temperature, No Air Flow 100 –40 ˚ C) UNR-3.3/10-D5T/D5SM Output Power vs. Ambient Temperature, No Air Flow – 100 ˚ C) UNR-3.3/10-D12T/D12SM Output Power vs. Ambient Temperature, No Air Flow – 100 ˚ C) UNR D5/D12 Series to 1.8/2.5/3. and 10 Amp DC/DC Converters Ambient Temperature ( C) ˚ 0 ...
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... Load Current (Amps) www.murata-ps.com Single Output, Non-Isolated 12V UNR-3.3/8-D5T/D5SM Efficiency vs. Line/Load UNR-3.3/8-D12T/D12SM Efficiency vs. Line/Load UNR D5/D12 Series to 1.8/2.5/3. and 10 Amp DC/DC Converters V = 4.75V 5. Load Current (Amps 10. 12V 13. Load Current (Amps) Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 UNR18-33W.B01 Page OUT 8 8 ...
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... China: Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com © 2008 Murata Power Solutions, Inc. 04/09/08 UNR D5/D12 Series to 1.8/2.5/3. and 10 Amp DC/DC Converters Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 UNR18-33W.B01 Page OUT ...