For assistance or to order, call Application Notes Mechanical Outline Product Selector Guide (800) 531-5782 48V PT3100 Series 15 WATT 48V TO 5V/12V/15V ISOLATED DC-DC CONVERTER • Power Density 15 Watts/in3 • Wide Input Voltage Range 36V to 75V • 80% Efficiency • 500 VDC Isolation • Industry’s Smallest Footprint • Fast Transient Response • No External Components Required Power Trends’ PT3101A (5V), PT3102A (12V) and PT3103A (15V) Revised 8/13/98 Isolated DC-DC Converters advance the state-of-the-art for board-mounted converters by employing high switching frequencies greater than 650 KHz and planar magnetics and surface-mount construction. They feature the industry’s smallest footprint, a power density of 15 Watts/in3, and operate at 80% efficiency. They are designed for Telecom, Industrial, Computer, Medical, and other distributed power applications requiring input-to-output isolation. Specifications Standard Application PT3100 SERIES Characteristics (Ta=25°C unless noted) Symbols Conditions Output Current Io Over Vin range Min Typ Max Units Vo = 5V Vo = 12V Vo = 15V 0 0 0 — — — 3.0 1.25 1.0 A A A Vo = 5V Vo = 12V Vo = 15V — — — 4.00 1.75 1.4 — — — A A A Current Limit Icl Vin = 36V On/Off Standby Current Iin standby Vin = 48V, Pin 1 = -Vin — 7 10 mA Short Circuit Current Isc Vin = 48V — — — 5.5 3.5 2.0 — — — A A A Inrush Current Iir tir Vin = 48V @ max Io On start-up — — 0.6 1.0 1.0 5.0 A mSec Input Voltage Range Vin Io = 0.1 to max Io 36.0 48.0 75.0 V Output Voltage Tolerance ∆Vo Over Vin Range TA= -20°C to 70°C — ±1.0 ±2.0 %Vo Vo = 5V Vo = 12V Vo = 15V Ripple Rejection RR Over Vin range @ 120 Hz — 60 — dB Line Regulation Regline Over Vin range @ max Io — ±0.2 ±1.0 %Vo Load Regulation Regload 10% to 100% of Io max — ±0.4 ±1.0 %Vo Vo Ripple/Noise Vn Vin=48V, Io=3.0A, Vo=5V Vin=48V, Io=1.25A, Vo=12V Vin=48V, Io=1.0A, Vo=15V — — — 75 120 100 100 150 200 mVpp mVpp mVpp Transient Response ttr 50% load change Vo over/undershoot — — 100 3.0 200 5.0 µSec %Vo Efficiency η Vin=48V, Io=3.0A, Vo=5V Vin=48V, Io=1.25A, Vo=12V Vin=48V, Io=1A, Vo=15V — — — 79 80 80 — — — % % % Switching Frequency ƒo Over Vin and Io, Vo=5V Vo=12V/15V 800 600 850 650 900 700 kHz kHz Recommended Operating Temperature Range Ta Vin = 48V @ max Io Free air convection, (40-60LFM) -20 — +70* °C Thermal Resistance θja Free Air Convection, (40-60LFM) — 16 — °C/W Case Temperature Tc @ Thermal shutdown — — 100 °C Storage Temperature Ts — -40 — 110 °C Mechanical Shock — Per Mil-STD-202F, Method 213B, 6mS, Half-sine, mounted to a PCB — 50 — G’s Mechanical Vibration — Per Mil-STD-202F, Method 204D, 10-500Hz, Soldered in a PCB — 10 — G’s Weight — — — 28 — grams Isolation Capacitance Resistance — — — — — — 500 — 10 — 1100 — — — — V pF MΩ Flammability — Materials meet UL 94V-0 Remote On/Off On Off Open or 2.5 to 7.0 VDC above -Vin Short or 0 to 0.8 VDC above -Vin On/Off 1 +Vin 3 -Vin 2 PT3100 +Vout 4 -Vout Pin-Out Information Pin Function 1 Remote ON/OFF 2 -Vin 3 +Vin 4 -Vout 5 +Vout 6 Do not connect Ordering Information Through-Hole PT3101A = 5 Volts PT3102A = 12 Volts PT3103A = 15 Volts Surface Mount PT3101C = 5 Volts PT3102C = 12 Volts PT3103C = 15 Volts (For dimensions and PC board layout, see Package Style 700.) * See Thermal Derating Curves 68 5 Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com (800) 531-5782 For assistance or to order, call 48V PT3100 Series CHARACTERISTIC Efficiency vs Output Current 100 90 90 Vin 80 36V 48V 60V 72V 70 60 100 Vin 80 36V 48V 70 60V 72V 60 50 0.5 1 1.5 2 2.5 40 0.25 3 0.5 Iout-(Amps) 120 100 100 Vin 80 72V 60V 60 48V 36V 40 Ripple-(mV) Ripple-(mV) 0.75 1 40 0.25 1.25 1.5 2 2.5 100 Vin 80 72V 60V 60 48V 36V 0.5 Iout-(Amps) 72V 60V 48V 36V 60 40 0.75 1 0 0.25 1.25 0.5 Iout-(Amps) Thermal Derating (Ta) 60° 1 Thermal Derating (Ta) (See Note 2) ˝ 1.25 0.75 Iout-(Amps) Thermal Derating (Ta) (See Note 2) ˝ 3 Vin 80 20 0 0.25 3 1 120 20 0 0.75 Ripple vs Output Current 40 20 1 0.5 Iout-(Amps) Ripple vs Output Current 120 0.5 36V 48V 60V 72V 70 Iout-(Amps) Ripple vs Output Current 0 Vin 80 50 Ripple-(mV) 0 90 60 50 40 (See Note 1) Efficiency vs Output Current Efficiency - % 100 Efficiency - % Efficiency - % Efficiency vs Output Current PT3103, 15.0 VDC (See Note 1) 60° (See Note 2) ˝ 1 60° 70° 2.5 1 1.5 1 0.75 0.5 0 0 0 36 40 44 48 52 56 60 64 68 72 36 40 44 Vin-(Volts) 48 52 56 60 64 68 36 72 Power Dissipation vs Output Current Power Dissipation vs Output Current 3 2 0 2 Iout-(Amps) 2.5 3 60 64 68 4 3 72V 60V 2 48V 36V 1 1 56 0 0.25 72 Vin Vin PD-(Watts) 72V 60V 48V 36V 52 Power Dissipation vs Output Current 4 Vin 1.5 48 5 PD-(Watts) 4 1 44 Vin-(Volts) 5 0.5 40 Vin-(Volts) 5 0 0.5 0.25 0.25 0.5 PD-(Watts) 0.75 70° Iout-(Amps) Iout-(Amps) Iout-(Amps) 70° 2 72V 60V 48V 36V 3 2 1 0 0.5 0.75 1 1.25 0.25 Iout-(Amps) 0.5 0.75 1 Iout-(Amps) Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the DC-DC Converter. Note 2: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http:// www.powertrends.com 69 DATA SHEETS PT3102, 12.0 VDC (See Note 1) 48V Bus Products PT3101, 5.0 VDC DATA IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. 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