MYBSP01201ABF Isolated DC-DC converter for PoE PD Typical unit FEATURES PRODUCT OVERVIEW Support IEEE802.3af class0 The MYBSP01201ABF is an isolated, regulated, DC-DC converter for 12W DC-DC converter PoE PD that has an input range of 37-57Vdc with 37-57V Input Voltage range a typical efficiency of 84%, and full 2250 Volt DC isolation. 14.8 x 26 x 6.2mm Size The MYBSP01201ABF is ideal for IEEE 802.3af Compliant Devices. 84% efficiency (typical) Module has self-protection features. These include input undervoltage Surface mount module lockout and output current limit. 2250Vdc Input-Output Isolation And the module has detection and classification for compliant IEEE802.3af. Operating Temperature range -40 to +85 C PD equipment Load equipment MYBSP01201ABF Isolated DC-DC converter Power 1 4 UTP cable Ethernet To PSE Pulse Power + Data Transformer 3 2 Flyback controller IEEE802.3af compliant PD controller Hot swap PoE detection / classification Data Figure 1. Simplified Block Diagram Typical topology is shown. MYBSP01201ABF Isolated DC-DC converter for PoE PD PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input Efficiency Package (%) Model Number Regulation Typ. Vout Iout Power R/N Typ. Vin Nom. Range Iin, full load (mm) (Vdc) (A,Max.) (W) (mVp-p) (Vdc) (Vdc) Typ.(A) Line (%) Load (%) Min. Typ. MYBSP01201ABF 12 1 12 150 0.4 0.4 48 37-57 0.3 81 84 14.8 x 26 x 6.2 1. Please refer to the Part Number Structure for additional ordering information and options. 2. All specifications are at nominal line voltage, full load, +25 C unless otherwise stated. PART NUMBER STRUCTURE MY BSP 012 01 A B F Internal control code MURATA Standard DC-DC Convertor Isolated DC-DC Convertor Pin Type for PoE PD IEEE802.3xx B = Surface mount pin Output Voltage Nominal Input Voltage 012 = 12V A = 48V nominal Output Current 01 = 1A