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DH12S12-33HS Datasheet(PDF) 2 Page - Wall Industries,Inc. |
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DH12S12-33HS Datasheet(HTML) 2 Page - Wall Industries,Inc. |
2 / 11 page Rev F DH50 SERIES 50 Watt DC/DC Power Converters 05/16/2017 Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778- 9797 website: www.wallindustries.com • e-mail: sales@wallindustries.com Page 2 of 11 SPECIFICATIONS: DH50 SERIES All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted. We reserve the right to change specifications based on technological advances. SPECIFICATION TEST CONDITIONS Min Typ Max Unit INPUT SPECIFICATIONS Input Voltage Range 12VDC nominal input models 9 12 18 VDC 24VDC nominal input models 18 24 36 48VDC nominal input models 36 48 75 Input Surge Voltage (100ms max.) 12VDC nominal input models -0.7 25 VDC 24VDC nominal input models -0.7 50 48VDC nominal input models -0.7 100 Start-up Threshold Voltage 12VDC nominal input models 9 VDC 24VDC nominal input models 18 48VDC nominal input models 36 Under Voltage Lockout (UVLO) 12VDC nominal input models 8.3 VDC 24VDC nominal input models 16.5 48VDC nominal input models 33 Start-up Time Nominal Vin and constant resistive load Power Up 30 ms Remote On/Off 30 Input Current See Table Reflected Ripple Current (Page 10) See Table Conducted EMI for EN55032 Class A and FCC level A compliance see Note 3 Internal LC Filter Short Circuit Current Hiccup mode 24VDC output models 0.3 Hz Others 1.5 OUTPUT SPECIFICATIONS Output Voltage See Table Line Regulation Low line to high line at full load ±0.5 % Load Regulation Minimum load to full load ±0.5 % Output Voltage Setting Accuracy At 50% load and nominal Vin ±1.0 %Vnom Output Voltage Trim (Page 5) % of nominal output voltage 24VDC output models -10 +20 % Others -10 +10 Output Power See Table Output Current See Table Minimum Load No minimum load required Ripple & Noise (0-20MHz) (Page 10) Measured with a 1µF MLCC and a 10µF tantalum capacitor in parallel 3.3V & 5V output models 100 mVp-p 12V, 15V, & 24V output models 150 Transient Recovery Time (Note 1) 25% load step change 250 µs Transient Recovery Deviation (Note 1) 25% load step change ±3 ±5 % Temperature Coefficient ±0.02 %/°C PROTECTION Input Polarity Protection none Over Voltage Protection (page 10) For shutdown voltage see table Over Current Protection Hiccup Current limitation at 150% typ. of Iout max. Thermal Protection Shutdown temperature 110 °C Short Circuit Protection Hiccup, automatic recovery GENERAL SPECIFICATIONS Efficiency (see efficiency curves on pages 7-9) See Table Switching Frequency 24VDC output models 285 KHz Others 320 Isolation Voltage (Input to Output) 60 seconds 1500 VDC 1 second 1800 Isolation Resistance 500VDC 1000 MΩ Isolation Capacitance 100kHz, 1V 2200 pF Maximum Capacitive Load See Table |
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