Input-output condition Input voltage range DCV~4V Average voltage Maximum input voltage 4V or less Including peak value Input ripple voltage lower limit Rated input voltage Rated output voltage 75V or more DC1V, DC3V 24V Ripple voltage of the AC input rectified Rated load current 1.7A Electrical specification Ta=25 Efficiency 85% or more (9% TYP) Rated input voltage Rated output current Output voltage tolerance ±5% Line regulation mv or less Input voltage DCV~4V Load regulation 25mV or less Output current ~1.7A No-load power 5mW or less (25mW TYP) Rated input voltage Ripple 2mVp-p or less Rated input voltage Ripple noise 3mVp-p or less Rated output current Measurement circuit DCV~DC4V 1 Vin(+) Module 13 12 L1 V1 E1 W1 C2 2 Drain 11 C1 C2 P1 LM1 RL1 3 Vin(-) 9 4 Vcc RC(+) 14 5 VccW REF 7 6 NC RC(-) 8 C4 C3 E1 : DC power supply C2 : 45BXWM (RUBYCON) W1 : Wattmeter WT2 (YOKOGAWA) C3 : CD75-B2GA331K (TDK) RL1: Electronic load C4 : CD75-B2GA331K (TDK) V1 : ltmeter Class.5 C1 : 35ZLG68M (RUBYCON) P1 : Differential probe DP-(KG) C2 : 35ZLG2M (RUBYCON) LM1: Ripple noize meter RM-3(KG) L1 : PC8Z-2R2N (KORIN) 1 / 6
Protection Overcurrent protection 2.5A or more Auto recovery Overvoltage protection 27.6~33.6V Latch off Overheat protection Latch off Insulation Insulation voltage 3.kV (or 3.6kV) AC 1min (or AC 2sec) (Between Pri-Sec) Cutoff 2mA Insulation resistance MΩ or more DC5V (Between Pri-Sec) Environmental conditions Operating temperature - ~8 Refer to the Ambient temperature derating curve Operating humidity Storage temperature Storage humidity ~95%RH (No condensation) -25 ~85 5~95%RH (No condensation) Ambient temperature derating curve Reduce the load current according to the following temperature derating table. 8 Load factor(%) 6 - - 3 5 6 7 8 Ambient Temperature( ) 2 / 6
Output ltage [V] Efficiency [%] Output ltage [V] Input Power [W] Efficiency [%] Input Power [mw] Typical characteristics Ta=25 9 Efficiency 5 Input power (at no load) 8 7 6 5 DC1V DC3V 3 3.5 1 1.5 2 2.5 15 25 3 35 45 Output Current [A] Input ltage VDC [V] 25.2 25. 24.8 24.6 24.4 24.2 Load regulation DC1V DC3V 1..9.8.7.6 Input power (at light load) 24..5 23.8 23.6 23.4 23.2 23. 22.8.5 1 1.5 2 2.5.4.3.2.1. DC1V DC3V 5 15 25 3 Output Current [A] Output Current [ma] 25.2 Line regulation Efficiency(at light load) 25. 24.8 24.6 24.4 24.2 24. 23.8 23.6 23.4 23.2 23. No load (A) Rated load (1.7A) 9 8 7 6 5 3 DC1V DC3V 22.8 15 25 3 35 45 5 15 25 3 Input ltage VDC [V] Output Current [ma] 3 / 6
Outline dimensional drawing Unit:mm 4 / 6
Recommended hole diameter and land size The round pulling out figure is a pin numbering. Component side Unit:mm Terminal function and connection Primaries Pin No. Name Explanation of terminals 1 Vin(+) DC voltage input terminal (+) 2 Drain 3 Vin(-) 4 Vcc 5 VccW Terminal for noise adjustment DC voltage input terminal (-) Terminal for start-up time adjustment Auxiliary winding terminal Don't connect with other circuits. 6 N.C. Unused terminal Don't connect with other circuits. Secondaries Pin No. Name Explanation of terminals 7 REF 8 RC(-) 9 11 12 13 14 RC(+) Output voltage adjustment terminal Output voltage detection terminal (-) Output terminal (-) Output terminal (-) Output terminal (-) Output1 terminal (+) Output1 terminal (+) Output voltage detection terminal (+) 5 / 6
Application circuit example AC9V~AC264V (5/6Hz) L F1 TH1 L1 D1 1 Vin(+) Module 13 12 L1 L2 C1 C2 2 Drain 11 C1 C2 N 3 Vin(-) 9 4 Vcc RC(+) 14 5 VccW REF 7 6 NC RC(-) 8 C4 C3 Symbol Description Part No. Manufacturer D1 Diode D2SB6A SHINDENGEN L1 Inductor HL-24R-ETHA KORIN L1 Inductor PC8Z-2R2N KORIN L2 Inductor -5127-15-TM KORIN C1 Capacitor LE4-MX OKAYA C2 Capacitor BXWM RUBYCON C3 Capacitor CD75-B2GA331K TDK C4 Capacitor CD75-B2GA331K TDK C1 Capacitor 35ZLG68M RUBYCON C2 Capacitor 35ZLG2M RUBYCON F1 Fuse FIH 25V 2.A NIPPON-SEISEN TH1 Thermistor SCK2R55AMIAY499 THINKING Mount the fuse on the input Live side to ensure safety without fail. Recommended parts:fih 25V 2.A~3.15A / NIPPON-SEISEN Depend on the applying safety standard, please add the discharge resistance in paralell with C1. 6 / 6
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