OKDx-T/20-W12-xxx-C www.murata-ps.com 20A Digital PoL DC-DC Converter Series TTypical unitsypical units FEATURES PRODUCT OVERVIEW The OKDx-T/20-W12 series are high ef ciency, standard PoL performance and safety features like Small package: 25.65 x 13.8 x 8.2 mm (1.01 x digital point-of-Load (PoL) DC-DC power converters OVP, OCP, OTP, and UVLO, these digital converters 0.543 x 0.323 in) SIP: 26.3 x 7.6 x 15.6 mm (1.035 capable of delivering 20A/66W. Available in three have advanced features: digital current sharing (full x 0.30 x 0.614 in) different package formats, through-hole, single-in- power, no derating), non-linear transient response, 0.6 V - 3.3 V output voltage range line, and surface mount, these converters have a optimized dead time control, synchronization, and High ef ciency, typ. 97.1% at 5Vin, 3.3Vout half load typical ef ciency of 97.1%. PMBus compatibility phase spreading. These converters are ideal for use allows monitoring and con guration of critical in telecommunications, networking, and distributed Con guration and Monitoring via PMBus system-level performance requirements. Apart from power applications. Synchonization & phase spreading Current sharing, Voltage Tracking & Voltage Power Management via PMBus Applications margining Con gurable soft-start/stop Distributed power architectures MTBF 20.2 Mh Con gurable output voltage (Vout) and voltage Intermediate bus voltage applications Non-Linear Response for reduction of decou- margins (Margin low and Margin high) Servers and storage applications pling capacitor Con gurable protection limits for OVP, input over Network equipment Remote control & power good voltage, input under voltage, over current, on/off, and temperature Output short-circuit, output over voltage, & over temperature protection Status monitor Vout, Iout, Vin, Temp, Power Certi ed to UL/IEC 60950-1 good, and On/Off PART NUMBER STRUCTURE OKD x - T / 20 - W12 - xxx - C Digital Non-isolated PoL RoHS Hazardous Substance Compliance C = RoHS-6 (does not claim EU RoHS exemption Y = Surface Mount 7b lead in solder) H = Horizontal Mount Through-Hole X = SIP Trimmable Output Software Con guration Digits Voltage Range (001 is positive turn-on logic) 0.6 - 3.3Vdc (002 is negative turn-on logic)* *Special quantity order is required Maximum Rated Output contact Murata Power Solutions for Input Voltage Range Current in Amps MOQ and lead times. 4.5-14Vdc PM www.murata-ps.com/support MDC OKDx-T/20-W12-xxx-C.A05 Page 1 of 37OKDx-T/20-W12-xxx-C 20A Digital PoL DC-DC Converter Series ORDERING GUIDE Model Number Output OKDY-T/20-W12-001-C OKDH-T/20-W12-001-C 0.6-3.3 V, 20 A/ 66 W OKDX-T/20-W12-001-C Absolute Maximum Ratings Characteristics Min Typ Max Unit TP1, TP2 Operating temperature (see Thermal Consideration section) -40 125 C TS Storage temperature -40 125 C VI Input voltage (See Operating Information Section for input and output voltage relations) -0.3 16 V Logic I/O voltage CTRL, SA0, SA1, SALERT, SCL, SDA, VSET, SYNC, GCB, PG -0.3 6.5 V Ground voltage differential -S, PREF, GND -0.3 0.3 V Analog pin voltage VO, +S, VTRK -0.3 6.5 V General and Safety Conditions Min Typ Max Unit Safety Designed for UL/IEC/EN 60950 1 Calculated MTBF Telcordia SR-332, Issue 2 Method 1 20.2 Mhrs Stress in excess of Absolute Maximum Ratings may cause permanent tionality and performance with the default con guration le, unless otherwise damage. Absolute Maximum Ratings, sometimes referred to as no destruction speci ed. The default con guration le is designed to t most application limits, are normally tested with one parameter at a time exceeding the limits needs with focus on high ef ciency. If different characteristics are required it in the Electrical Speci cation. If exposed to stress above these limits, function is possible to change the con guration le to optimize certain performance and performance may degrade in an unspeci ed manner. characteristics. Note that current sharing operation requires changed con gu- ration le. Con guration File In this Technical speci cation examples are included to show the possibili- This product is designed with a digital control circuit. The control circuit uses ties with digital control. See Operating Information section for information a con guration le which determines the functionality and performance of the about trade offs when optimizing certain key performance characteristics. product. The Electrical Speci cation table shows parameter values of func- VIN VOUT C C I O GND +Sense -Sense (PGOOD) (SA1) CTRL SALERT VSET SYNC Controller and digital interface SDA SCL SA0 GCB PREF VTRK Fundamental Circuit Diagram www.murata-ps.com/support MDC OKDx-T/20-W12-xxx-C.A05 Page 2 of 37