Bel Power Solutions point-of-load converters are recommended for use with regulated bus converters in an Intermediate Bus Architecture (IBA). The YS12S16 non- isolated DC-DC converters deliver up to 16 A of output current in an industry-standard surface-mount package. Operating from a 9.6-14 VDC input, the YS12S16 converters are ideal choices for Intermediate Bus Architectures where point-of-load power delivery is generally a requirement. They provide an extremely tight regulated programmable output voltage of 0.7525 V to 5.5 V. The YS12S16 converters provide exceptional thermal RoHS lead-free solder and lead-solder-exempted products performance, even in high temperature environments with are available minimal airflow. This is accomplished through the use of Delivers up to 16 A (88 W) advanced circuitry, packaging, and processing Extended input range 9.6 V 14 V techniques to achieve a design possessing ultra-high High efficiency (0.948 at 5 V output) efficiency, excellent thermal management and a very low Surface-mount package body profile. Industry-standard footprint and pinout The low body profile and the preclusion of heat sinks Small size and low profile: 1.30 x 0.53 x 0.314 (33.02 x minimize impedance to system airflow, thus enhancing 13.46 x 7.98 mm) cooling for both upstream and downstream devices. The Weight: 0.23 oz 6.50 g use of 100% automation for assembly, coupled with Coplanarity less than 0.003, maximum advanced power electronics and thermal design, results Synchronous Buck Converter topology in a product with extremely high reliability. Start-up into pre-biased output No minimum load required Programmable output voltage via external resistor Intermediate Bus Architectures Telecommunications Operating ambient temperature: -40 C to 85 C Data communications Remote output sense Distributed Power Architectures Remote ON/OFF (positive or negative) Servers, workstations Fixed-frequency operation Auto-reset output overcurrent protection High efficiency no heat sink required Auto-reset overtemperature protection Reduces total solution board area High reliability, MTBF approx. 27.2 Million Hours Tape and reel packing calculated per Telcordia TR-332, Method I Case 1 Compatible with pick & place equipment All materials meet UL94, V-0 flammability rating Minimizes part numbers in inventory Low cost UL 60950 recognition in U.S. & Canada, and DEMKO certification per IEC/EN 60950 North America +1-866.513.2839 Asia-Pacific +86.755.29885888 Europe, Middle East +353 61 225 977 tech.support psbel.com 2015 Bel Power Solutions, Inc. BCD.00645 AA YS12S16 DC-DC Converter Conditions: T = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 12 VDC, Vout = 0.7525 5.5 V, unless otherwise specified. A PARAMETER NOTES MIN TYP MAX UNITS Absolute Maximum Ratings Input Voltage Continuous -0.3 15 VDC Operating Ambient Temperature -40 85 C Storage Temperature -55 125 C Feature Characteristics Switching Frequency 300 kHz 1 Output Voltage Trim Range By external resistor, See Trim Table 1 0.7525 5.5 VDC 1 Remote Sense Compensation Percent of V (NOM) 0.5 VDC OUT 2 Turn-On Delay Time Full resistive load With Vin = (Converter Enabled, then Vin applied) From Vin = Vin(min) to Vo=0.1* Vo(nom) 3 ms With Enable (Vin = Vin(nom) applied, then enabled) From enable to Vo= 0.1*Vo(nom) 3 ms 2 Rise time (Full resistive load) From 0.1*Vo(nom) to 0.9*Vo(nom) 4 ms Converter Off -5 0.8 VDC 3 ON/OFF Control (Positive Logic) Converter On 2.4 Vin VDC Converter Off 2.4 Vin VDC 3 ON/OFF Control (Negative Logic) Converter On -5 0.8 VDC Input Characteristics Operating Input Voltage Range 9.6 12 14 VDC Input Under Voltage Lockout Turn-on Threshold 9 VDC Turn-off Threshold 8.5 VDC Maximum Input Current 16 ADC Out 9.6 VDC In VOUT = 5.0 VDC 8.9 ADC VOUT = 3.3 VDC 6 ADC VOUT = 2.5 VDC 4.6 ADC VOUT = 2.0 VDC 3.8 ADC V = 1.8 VDC 3.4 ADC OUT V = 1.5 VDC 2.9 ADC OUT V = 1.2 VDC 2.4 ADC OUT V = 1.0 VDC 2.1 ADC OUT V = 0.7525 VDC 1.7 ADC OUT Input Stand-by Current (Converter disabled) 3 mA Input No Load Current (Converter enabled) VOUT = 5.0 VDC 83 mA VOUT = 3.3 VDC 63 mA VOUT = 2.5 VDC 53 mA V = 2.0 VDC 47 mA OUT V = 1.8 VDC 45 mA OUT V = 1.5 VDC 43 mA OUT V = 1.2 VDC 41 mA OUT V = 1.0 VDC 39 mA OUT VOUT = 0.7525 VDC 35 mA Input Reflected-Ripple Current - is See Fig. E for setup. (BW = 20 MHz) VOUT = 5.0 VDC 60 mAP-P VOUT = 3.3 VDC 43 mAP-P VOUT = 2.5 VDC 35 mAP-P VOUT = 2.0 VDC 35 mAP-P V = 1.8 VDC 35 mA OUT P-P V = 1.5 VDC 33 mA OUT P-P 866.513.2839 tech.support psbel.com 2015 Bel Power Solutions, Inc. BCD.00645 AA