EPF-28SC28-A ETA-USA | Alldatasheet

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Technical content

Size: 116.30mm x 60.45mm x 12.70mm High Power Density - Up to 55W/in3 Constant Frequency 400kHz High Efficiency: 89% at 560W Low Output Noise Industry-Standard Pinout Metal Baseplate Over Thermal Protection Over Voltage Protection Current Limit/Short Circuit Protection Adjustable Output Voltage: 75% to 103% of V0,set Remote Sense Logic ON/OFF Safety Agency Pending EPF-28SC28-A 18-30 28 10 280 Model Name Vin (Vdc) Vout(Vdc) Io(Amps) Watts

FEATURES

Input Voltage (+In to -In) Enable Voltage(Enable to -In) Parallel Pin Voltage(Parallel Pin to - In) Storage Temprature Operating Temperature Soldering Temprature: Wave Solder Hand Solder MAX 6.0 5.0 +125 +100 260 390 UNITS V A V o C o C o C o C CONDITIONS Continuous Vi=0V to 30V Io=Io,max Baseplate <5sec. <7sec. ABSOLUTE MAXIMUM RATINGS: Exceeding absolute maximum ratings may cause permanent damage and reduce reliability PARAMETER Operation Input Voltage (Vi ) Maximum Input Current (Ii,max): Inrush Transient Input Ripple Rejection INPUT SPECIFICATIONS: ETA-USA Tel: 408-778-2793 Fax: 408-779-2753 e-mail: sales@eta-usa.com DC-DC Converters 18~30Vdc InputEP SERIES

280 WATT

Long Lead(0.23in)-LL Negative Logic Control-Neg. (Remote Control For C-T) Threaded hole standoff-Td SPECIAL FEATURES OPTION Choice Of Remote On/Off Logic Configuration Heat Sink Avsailable For Extended Extended Operation -0.3 -0.3 -0.3 -55 -40 MIN Electrical Specifications: Unless otherwise indicated specificationsapply over all operating input voltage, resistive load, and temperature conditions. MIN TYP MAX UNITS CONITIONS 18 28 21A V A A s dB Vi=0V to 30V Io=Io,max @120Hz

Output Voltage Set Point (Vo,set) Line Regulation Load Regulation Temperature Drift Output Ripple and Noise Voltage Peak to Peak Output Current( I o ): Maximum Output Current( Io ): Output Current limit: Output Short Circuit Current Switching Frequency Efficiency Dynamic Response Peak Deviation Settling Time CONDITIONS Tc=25oC, Vi=24V, Io= Io,max Vi=18V to 30V Io=Io,min to 10A Io=0.5A to 10A Tc=-40oC to 100oC Bandwidth 5Hz to 20MHz. With 220uF/35V output capacitor. For 5minutes withVin=18Vto30V Vo=90% of Vo,set Vo=250mV Tc=90 C, Io = 10A 25%-50%-75% load, 0.1A/ s;With 220uF/35V Capacitor/35V Tc=25oC, Vi=24V MIN 27.72 11.5 0.15 TYP 28.00 0.01 0.05 12.5 MAX 28.28 0.2 0.2 0.015 500 170 300 UNITS V %/ C mVp-p A A A OUTPUT SPECIFICATIONS: PARAMETER Turn-On Time Output Voltage Adjustment Output Voltage Trim Range Output Over Voltage Clamp Over Temperature Shutdown Over Temperature Turn On CONDITIONS Io=20% of Io,max Vo with+/-1%Vo,set Within 220uF/35V Capacitor Auto recovery Auto recovery MIN TYP 105 MAX 200 103 110 100 UNITS ms %Vo,set V V oC oC CONTROL SPECIFICATIONS: ETA-USA Tel: 408-778-2793 Fax: 408-779-2753 e-mail: sales@eta-usa.com DC-DC Converters 18~30Vdc InputEP SERIES CAUTION: This power moule is not internally fused.An input line fuse must always be used. 0.5 400 o %Io,max KHZ %Vo,set S exceed output ripple specifications At Io< Io,min,the modules may o 100 PARAMETER Input to Case Output to Case Input to Output Capacitance Isolation Resistance MIN MAX UNITS Vdc Vdc pF Mohm CONDITIONSTYP 1500 500 470 ISOLATION SPECIFICATIONS: PARAMETER MTBF Weight Size MIN MAX UNITS Mhrs g in3 CONDITIONS Tc=40oC,Io =9A of Vin =24V TYP 1.4 225 4.58x2.38x0.50 GENERAL SPECIFICATIONS:

+Out +Sense Trim -Sense -Out +Outo +Sense Trim -Sense -Out Rtrim-down Trim-Up Trim-Down Rtrim-up Load Rtrim-up= ( ) Kohms Vo-26.031 Rtrim-down= ( Vo-26 Vo = Desired Output Voltage Rtrim-up= External Resistor Value to Increase Vo Rtrim-down= External Resistor Value to Decrease Vo ETA-USA Tel: 408-778-2793 Fax: 408-779-2753 e-mail: sales@eta-usa.com DC-DC Converters 18~30Vdc InputEP SERIES 32.8047 32.7645-13.1058 )Kohms