EPH1R2035 [ 1] Electrical Specification Output Side Ta − 40 ~ 85 °C Vi 36 ~75 V Characteristics Vo Io Output Conditions Vi = 48 V Typ. Max. 1.14 1.2 1.26 V Output Voltage Initial Setting Ta = 25°C Io = 0~3.5 A Line Regulation Io = 3.5 A Vi = 36~75 V 10 mV Load Regulation Io = 0~3.5 A Vi = 48 V 60 mV 0 3.5 A 5 W Output Current Output Over Current Limit 3.6 Output Over Voltage Protection 1.44 Po Max Output Ripple & Noise Output Low Voltage Protection Voac Unit Min. Io = Io Max. 20 Hz~5 MHz 0.6 Hz ~50 MHz 30 A 1.68 V 1.08 V 100 mV P P 80 dB µV [ 2 ] Efficiency & Power Dissipation Characteristics Conditions Min. Typ. Max. Unit η Efficiency Io = 3.5 A Vi = 48 V 77 % Pd Power Dissipation Io = 3.5 A Vi = 48 V 1.2 W Application 1 [Single operation] DC/DC converter Power on by swich Vin+ Drive + Vout + Vin 36 ~ 75V SW Load - Fuse Vout - Vin- ALM PEC out PEC in START in START out Control Circuit REMOTE OPPS TEST * Please connect from PECin PIN, STARTin PIN, OPPS PIN to Vin-PIN in Natural Convection. * TEST PIN is always open. * We recommend to insert fuses (2A) Vin-lines for EPH series. DC/DC CONVERTER Application 2 [Parallel operation] DC/DC converter Power on by swich Vin+ Drive + Vout+ Vin 36 ~ 75V - SW Fuse Vin- Vout- ALM PEC out PEC in START in START out Control Circuit REMOTE OPPS TEST DC/DC CONVERTER 1 Vin+ Drive Vout+ Load Fuse Vout- VinALM PEC out PEC in START in START out Control Circuit REMOTE OPPS TEST DC/DC CONVERTER 2 * Please connect parallel for REMOTE and ALARM signals. * Please connect loop line for PEC and START. * Please connect from OPPS PIN to Vin-PIN in Natural Convection. * TEST PIN is always open. * Please insert necessarily fuses (250V 2A) Vin-lines for EPH series. Package 135.9 12.19 3 C3 10.16 × P32.0=96.0 32.0 44.0 6 322.6 315.0 × P44.0=264.0 Notes : 1. The shape of the tray complies with JEDEC standards. 2. Product carrying capacity : 28 pcs./tray 3. Heat resistant temperature : 150 °C max. (high heat resistance type) 4. The following markings must be indicated on the handle : 1) Company name : Shindengen 2) Package name : MSOP-14 3) Heat resistant temperature 4) Material Temperature Profile (°C) 300 Within 5 seconds 250 Modular lead : 220°C max. 200 220°C min. Within 40 seconds 150 100 50 0 0 40 80 120 160 200 240 280 300 (Seconds) 1) The atmospheric temperature of the modular lead should be 220 °C for no more than 5 seconds. 2) Refer to the graph above for an example of a recommended profile. 3) Precautions Concerning Heating Method Since allowing the PWB to stand at a high temperature for an extended period of time may have a detrimental effect on reliability, it is necessary to perform soldering as quickly as possible to prevent the temperature of the PWB from rising excessively. In addition, since areas of local temperature rise may occur when using a halogen lamp or infrared heater, avoid irradiating the surface of the PWB directly.