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PTH05060YAZT Datasheet(PDF) 1 Page - Emerson Network Power |
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PTH05060YAZT Datasheet(HTML) 1 Page - Emerson Network Power |
1 / 4 page DC-DC CONVERTERS Non-isolated DDR/QDR Memory Bus Termination Module 1 NEW Product File Name: pthxx060y.pdf Rev (02): 19 Dec 2005 2 YEAR WARRANTY All specifications are typical at nominal input, VREF = 1.25 V, full load at 25 °C unless otherwise stated. Cin, Co1 and Co2 = typical value SPECIFICATIONS • VTT bus termination output (output the system VREF) • 10 A output current • 3.3 Vdc, 5 Vdc or 12 Vdc input voltage • DDR and QDR compatible • ON/OFF inhibit (for VTT standby) • Under-voltage lockout • Operating temperature range: -40 ºC to +85 ºC • Efficiencies up to 91% • Output overcurrent protection (non-latching, auto-reset) • Point-of-Load-Alliance (POLA) compatible • Available RoHS compliant PTHxx060Y 3.3/5/12 Vin Single Output The PTHxx060Y are a new series of non-isolated dc-dc converters designed specifically for bus termination in DDR and QDR memory applications. Operating from either a 3.3 Vdc, 5 Vdc or 12 Vdc input, the modules generate a VTT output that will source or sink up to 10 A of current to accurately track their VREF input. VTT is the required bus termination supply voltage, and VREF is the reference voltage for the memory and chipset bus receiver comparators. VREF is usually set to half the VDDQ power supply voltage. The PTHxx060Y series employs an actively switched synchronous rectifier output to provide state of the art stepdown switching conversion. The products are small in size and are an ideal choice where space, performance and high efficiency are desired. OUTPUT SPECIFICATIONS Output current (over ∆VREF range) ±10 A (See Note 1) Tracking range for VREF 0.55-1.8 V Tracking tolerance to VREF (VTT - VREF) -10 mV to +10 mV (over line, load and temperature) Ripple and noise 20 MHz bandwidth 20 mV pk-pk Load transient response 30 µs settling time (See Note 4) Overshoot/undershoot 25 mV typ. Output capacitance: Non-ceramic values PTH03060Y 470 µF typ., 5,500 µF max. (See Notes 4 and 5) PTH05060Y 470 µF typ., 5,500 µF max. PTH12060Y 940 µF typ., 5,500 µF max. Ceramic values PTH03060Y 200 µF typ., 300 µF max. (See Note 4) PTH05060Y 200 µF typ., 300 µF max. PTH12060Y 400 µF typ., 600 µF max. (See Note 6) ESR (non-ceramic) 4 m Ω min INPUT SPECIFICATIONS Input current No load 10 mA Input voltage range PTH03060Y 2.95-3.65 Vdc PTH05060Y 4.5-5.5 Vdc PTH12060Y 10.8-13.2 Vdc Undervoltage lockout: PTH03060Y Vin increasing 2.45 V typ., 2.80 V max. Vin decreasing 2.20 V min., 2.40 V typ. PTH05060Y Vin increasing 4.30 V typ., 4.45 V max. Vin decreasing 3.40 V min., 3.70 V typ. PTH12060Y Vin increasing 9.5 V typ., 10.4 V max. Vin decreasing 8.80 V min., 9.0 V typ. INPUT SPECIFICATIONS CONTD. Input capacitance PTH03060Y and PTH05060Y 330 µF (See Note 3) PTH12060Y 560 µF Remote ON/OFF Positive logic GENERAL SPECIFICATIONS Efficiency PTH03060Y 86% typ. (Io = 8 A) PTH05060Y 86% typ. PTH12060Y 83% typ. Insulation voltage Non-isolated Switching frequency PTH03060Y 550-650 kHz PTH05060Y 550-650 kHz PTH12060Y 200-300 kHz Approvals and EN60950 standards UL/cUL60950 Material flammability UL94V-0 Dimensions (L x W x H) 25.27 x 15.75 x 9.00 mm 0.995 x 0.620 x 0.354 in Weight 3.7 g (0.13 oz) MTBF Telcordia SR-332 6,000,000 hours ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient, -40 ºC to +85 ºC (See Note 2) temperature Non-operating -40 ºC to +125 ºC MSL (‘Z’ suffix only) JEDEC J-STD-020C Level 3 PROTECTION Overcurrent threshold All models 20 A typ. (auto reset) |
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