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PT6901 Datasheet(PDF) 1 Page - Texas Instruments |
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PT6901 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 5 page  For assistance or to order, call (800) 531-5782 Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com 28 Application Notes Mechanical Outline Product Selector Guide PT6900 Series Standard Application 12 WATT PLUS TO MINUS VOLTAGE CONVERTER Ordering Information PT6901t t t t t = -2.0 Volts PT6902t t t t t = -5.2 Volts Cin = Required 330µF electrolytic Cout = Required 330µF electrolytic Features • Single-Device: +5V input • Remote Sense • Input Voltage Range: 4.75V to 5.5V • Adjustable Output Voltage • 23-pin SIP Package Pin Function 1 Do not connect 2Vout Adjust 3Vin 4Vin 5Vin 6Vin 7Vin 8 Remote Sense GND 9 GND 10 GND 11 GND 12 GND Pin Function 13 GND 14 GND 15 GND 16 Vout 17 Vout 18 Vout 19 Vout 20 Vout 21 Vout 22 Remote Sense Vout 23 Do not connect Pin-Out Information The PT6900 is a new series of plus to minus high- performance, 12 watt voltage converters housed in a 23-pin SIP package. The PT6900 is designed to supply regulated negative voltages for power- ing the latest ECL (-5.2V) and GaAs (-2.0V) ICs used in high-speed fiber optic communications. A 330µF electrolytic capacitor is required on the input and output for proper operation. (For dimensions and PC board layout, see Package Styles 1100 and 1110.) Cout Cin PT6900 16-21 9-15 3-7 2 V ADJ -V OUT GND GND +V IN + + 22 Remote Sense Remote Sense 8 PT Series Suffix (PT1234X) Case/Pin Configuration Vertical Through-Hole N Horizontal Through-Hole A Horizontal Surface Mount C Specifications Characteristics PT6900 SERIES (T a= 25°C unless noted) Symbols Conditions Min Typ Max Units Output Current Io Ta = +60°C, 200 LFM, pkg N Vo = -2.0V 0.1* —6 A Vo = -5.2V 0.1* — 2.5 A Ta = +25°C, natural convection Vo = -2.0V 0.1* —6 A Vo = -5.2V 0.1* — 2.5 A Input Voltage Range Vin 0.1A ≤ Io ≤ Imax 4.75 — 5.5 V Output Voltage Tolerance ∆Vo Vin = +5V, Io = Imax Vo-0.05 — Vo+0.05 V 0°C ≤ Ta ≤ +60°C Line Regulation Regline 4.75V ≤ Vin ≤ 5.5V, Io = Imax — ±0.5 ±1.0 % Load Regulation Regload Vin = +5V, 0.1 ≤ Io ≤ Imax — ±0.5 ±1.0 % Vo Ripple/Noise Vn Vin = +5V, Io = Imax Vo = -2.0V — 40 — mV Vo = -5.2V — 100 — mV Transient Response ttr Io step between 0.5xImax and Imax — 100 — µSec with Cout = 330µF Vos Vo over/undershoot Vo = -2.0V — 100 — mV Vo = -5.2V — 200 — mV Efficiency η Vin = +5V, Io = 0.5xImax, Vo = -2.0V — 70 — % Switching Frequency ƒo 4.75V ≤ Vin ≤ 5.5V 500 —— kHz 0.1A ≤ Io ≤ Imax Absolute Maximum Ta — 0 — +85 °C Operating Temperature Range Recommended Operating Ta Forced airflow = 200 LFM 0 — +60 °C Temperature Range Over Vin and Io Ranges Storage Temperature Ts — -40 — +125 °C Weight — Vertical/Horizontal — 28/33 — grams * ISR-will operate down to no load with reduced specifications. Please note that this product is not short-circuit protected. Revised 11/12/98 Note: Case must be connected to ground pins for proper operation |
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