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PT4301A Datasheet(PDF) 1 Page - Texas Instruments |
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PT4301A Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 3 page  PT42/4300 • Wide Input Voltage Range: 38V to 72V • 83% Efficiency • 1,500 VDC Isolation • 18 Pin DIP Package • 3.5 Million Hour MTBF • Meets FCC/EN55022 Class A • UL and CSA approved • No External Components Required • Adjustable Output Voltage Power Trends’ PT4200 series of isolated DC to DC converters advance the state-of-the- art for board-mounted converters by employing high switching frequencies, thick-film technology and a high degree of silicon integration. The high reliability and very low package height makes these converters ideal for Telecom and Datacom applicationsrequiringinput-to-outputisolation with board spacing down to 0.6”. The PT4200 series is offered in a unique molded through-hole or SMD-DIP package with single output voltages of 2V, 3.3V, 5V, and 12V, dual outputs of ±5V, +5V/+3.3V, and ±12V. Ordering Information Through-Hole PT4201A = 2V/1.5A PT4202A = 3.3V/1.5A PT4203A = 5V/1.2A PT4204A = 12V/0.6A PT4301A = ±5V/1A PT4302A = +5.2V/1A, +3.3V/1A PT4303A = ±12V/0.25A Surface Mount PT4201C = 2V/1.5A PT4202C = 3.3V/1.5A PT4203C = 5V/1.2A PT4204C = 12V/0.6A PT4301C = ±5V/1A PT4302C = +5.2V/1A, +3.3V/1A PT4303C = ±12V/0.25A Pin-Out Information Pin Function 1Vout1 2Vout return 3Vout2 or N/C 4 Do not connect 5 Do not connect 6 Do not connect 7 Do not connect 8* Vadj 9* Nominal output voltage resistor 10 Turn-on/off input voltage adjust 11 Remote on/off 12 Do not connect 13 Do not connect 14 Do not connect 15 Do not connect 16 Do not connect 17 -Vin 18 +Vin * Please note that when the Vout adjust is not used, pin 8 must be connected to pin 9. 3-7 WATT 48V INPUT ISOLATED DC-DC CONVERTER Series (For dimensions and PC board layout, see Package Style 900.) Specifications Characteristics Characteristics Characteristics Characteristics Characteristics PT42 PT42 PT42 PT42 PT42/4300 /4300 /4300 /4300 /4300 SERIES SERIES SERIES SERIES SERIES (T (T (T (T (T a a a a a = 25°C unless noted) = 25°C unless noted) = 25°C unless noted) = 25°C unless noted) = 25°C unless noted) Symbols Symbols Symbols Symbols Symbols Conditions Conditions Conditions Conditions Conditions Min Min Min Min Min Typ Typ Typ Typ Typ Max Max Max Max Max Units Units Units Units Units Output Current Io Over Vin range Vo = 2V, 3.3V 0 — 1.5 A Vo = 5V 0 — 1.2 A Vo = 12V 0 — 0.6 A Current Limit Icl Vin = 48V Vo = 2V 2.0 — 3.3 A Vo = 3.3V 1.7 — 3.3 A Vo = 5V 1.4 — 2.4 A Vo = 12V 0.7 — 1.2 A On/Off Standby Current Iin standby Vin = 48V, Pin 11 = -Vin — 0.5 — mA Short Circuit Current Isc Vin = 48V Vo = 2V — 2.8 — A Vo = 3.3V — 2.4 — A Vo = 5V — 1.9 — A Vo = 12V — 1.2 — A Inrush Current Iir Vin = 48V @ max Io — 0.6 1.0 A tir On start-up — 1.0 5.0 mSec Input Voltage Range Vin Over Io Range 38** 48 72 V Output Voltage Tolerance ∆Vo Over Io Range — ±4 — %Vo Idling Voltage Vo Io = 0A Vo = 2V — 2.7 3.0 V Vo = 3.3V — 3.65 4.0 V Vo = 5V — 5.6 6.0 V Vo = 12V — 14.3 17 V Ripple Rejection RR Over Vin range @ 120 Hz — 60 — dB Line Regulation Regline Over Vin range @ max Io — ±0.5 — %Vo Load Regulation Regload 10% to 100% of Io max — ±3 — %Vo Vo Ripple/Noise Vn Vin= 48V, Io=Io max — 30 70 mVpp Transient Response ttr 50% load change — 100 300 µSec Vo over/undershoot — 3.0 5.0 %Vo Efficiency η Vin=48V, Io=1.5A, Vo=2V — 73 — % Vin=48V, Io=1.5A, Vo=3.3V — 79 — % Vin=48V, Io=1.2A, Vo=5V — 80 — % Vin=48V, Io=0.6A, Vo=12V — 83 — % Switching Frequency ƒo Over Vin and Io — 485 — kHz Operating Temperature Ta Vin = 48V @ max Io -40 — +85 °C Free air convection, (40-60LFM) Pin Temperature Tp @ Pin1 — — 95 °C Storage Temperature Ts — -55 — +125 °C Mechanical Shock — Per Mil-STD-202F, Method 213B, —50 — G’s 6mS half-sine, mounted to a PCB Mechanical Vibration — Per Mil-STD-202F, Method 204D, —10 — G’s 10-500Hz, mounted to a PCB Weight — — — 20 — grams Isolation — — 1500 — — VDC Flammability — Materials meet UL 94V-0 ** Minimum input voltage is adjustable - See application note. PT42/4300 18 17 16 15 14 13 12 11 10 1 2 3 4 5 6 7 8 9 +Vin -Vin NC RC TOA +Vout1 -Vout +Vout2 or NC NC Vadj NOR Standard Application For assistance or to order, call (800) 531-5782 66 Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com Application Notes Mechanical Outline Product Selector Guide Revised 5/15/98 |
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