Pin Assignment Signals Name Description Pin Number(s) +Vout Power rail SK4 GND Power GND SK5 Signals Name Description SK2 Pin Number A2 EEPROM Address 1 -VPROG Return connection of external supply for Margin Programming 2 A1 EEPROM Address 3 -Vsense Remote Sense Return 4 ISHARE Load share voltage 5 A0 EEPROM Address 6 SDA1 Serial Data Signal (I2C) 7 +VPROG Positive connection of external supply for Margin Programming 8 SCL1 Serial Clock Signal (I2C) 9 +Vsense Remote Sense Positive 10 5VSB 5 V standby 11 GND 5 V standby Return 12 5VSB 5 V standby 13 G_DCOK_C Global DCOK Collector 14 GPIOA6 EEPROM Write Protect 15 G_DCOK_E Global DCOK Emitter (GND) 16 GND Return Ground for output signal ａnd I2C communication 17 G_ACOK_C Global ACOK Collector 18 INH_EN Turn Off Main Output 19 G_ACOK_E Global ACOK Emitter (GND) 20 Note: Mating connector for SK2 is:

 Outputs: 12 to 60 V Optional 5.0 V standby
SPECIAL FEATURES ƒ 310 W output power (350 W at 45 °C for 24 V ａnd 36 V models) ƒ Low cost ƒ 1.61” x 4.0” x 7.0” ƒ 7.1 Watts per cubic inch ƒ Industrial/Medical safety ƒ -40 °C to 70 °C with derating ƒ Optional 5 V @ 2 A housekeeping ƒ High efficiency: 91% @ 230 Vac ƒ Variable speed “Smart Fans” ƒ DSP controlled ƒ PMBus compliant ƒ Conformal coat option ƒ Wide adjustment range ƒ Margin programming ƒ OR-ing FET
COMPLIANCE ƒ EMI Class B ƒ EN61000 Immunity ƒ RoHS 2 ƒ PMBUS
SAFETY ƒ UL 60950-1   508/1598/1433   60601-1 Ed 3 ƒ CSA 60950-1 ƒ VDE 60950-1   60601 ƒ China CCC ƒ CB Scheme Report/Cert
Electrical Specifications Input Input ra nge 90 - 264 Vac (Operating) 115/230 Vac (Nominal) TERMINAL BLOCK Frequency 47 - 63 Hz, Nominal 50/60 Input fusing Internal 8 A fuses, both lines fused Inrush current < 20 A peak, cold start at 25 °C Power factor 0.98 typical, meets EN61000-3-2 Harmonics Meets IEC 1000-3-2 requirements Input current 5 Arms max input current, at 90 Vac Hold up time 20 ms minimum for main O/P, at full rated load Efficiency > 91% typical at full load / 230 Vac nominal Leakage current < 300 μA @ 240 Vac ON/OFF power switch N/A Power line transient MOV directly after the fuse Isolation Isolation: PRI-Chassis 2500 Vdc Basic PRI-SEC 4000 Vac Reinforced 2xMOPP SEC-Chassis 500 Vdc