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PT5022A Datasheet(PDF) 1 Page - Texas Instruments |
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PT5022A Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 3 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 42 Application Notes Mechanical Outline Product Selector Guide Revised 5/15/98 Ordering Information PT5021 o = -3.3 Volts PT5022 o = -5 Volts PT5023 o = -9 Volts PT5024 o = -12 Volts PT5025 o = -15 Volts PT5026 o = -5.2 Volts PT5027 o = -8.0 Volts PT5028 o = -6.5 Volts PT5029 o = -5.5 Volts PT5030 o = -6.0 Volts Pin Function 1 Vin 2 GND 3 V out Standard Application C2 = Optional ceramic (1-5µF) C3 = Required Electrolytic (100µF) PT Series Suffix (PT12345X) Case/Pin Configuration Vertical Through-Hole N Horizontal Through-Hole A Horizontal Surface Mount C • Input Voltage Range: 4.75 to 7 Volts • Complete Solution With Only One External Capacitor Required • Soft Start The Power Trends’ PT5020 ISRs convert a positive input voltage (typ +5V) to a negative output voltage for a wide range of analog and communication cir- cuit applications. The Plus to Minus ISRs use a “Buck- Boost” topology and are packaged in the 3 pin SIP configuration. NOTE: Buck-Boost Topology ISRs are not Short-Circuit Protected. POSITIVE INPUT/NEGATIVE OUTPUT INTEGRATED SWITCHING REGULATOR PT5020 Series VIN (+) COM PT5020 COM VOUT (-) C2 C3 Pin-Out Information 1 2 3 Pkg Style 100 Specifications Characteristics PT5020 SERIES (T a=25 °C unless noted) Symbols Conditions Min Typ Max Units Output Current Io Over Vin range Vo=-3.3V to 6.5V 0.25* — 1.0 A Vo=-9V 0.10* — 0.60 A Vo=-12V 0.10* — 0.50 A Vo=-15V 0.10* — 0.30 A Current Limit Icl Vin = 5V — 1.5 Io max —A Inrush Current Iir Vin = +5V @ max Io — 1.0 — A tir On start up — 1.0 — mSec Short Circuit Current Isc Vin = 5V — 2 Io max —A Input Voltage Range Vin Io = 0.1 to Io max 4.75 — 7** V Output Voltage Tolerance ∆Vo Over Vin Range Io= Imax — ±1.5 ±3 %V o Ta = -20°C to shutdown Line Regulation Regline Over Vin range — ±0.5 ±1 %Vo Load Regulation Regload Imin ≤ Io ≤ Imax — ±0.5 ±1 %Vo Vo Ripple/Noise Vn Vin=5V, Io= Imax —±2 ±5 %Vo Transient Response ttr 25% load change — 500 — µSec Vo over/undershoot — 3.0 5.0 %Vo Efficiency η Vin=5V, Io=0.5 Imax —75 — % Switching Frequency ƒO Over Io range Vo=3.3 to 8V 0.8 1 1.2 MHz Vo ≥ 8 V 500 650 800 kHz Absolute Maximum Ta — -20 — +85 °C Operating Temperature Range Recommended Operating Ta Free Air Convection, (40-60 LFM) -20 — +65*** °C Temperature Range Over Vin and Io range Thermal Resistance θ ja Free Air Convection — 50 — °C/W (40-60LFM) Storage Temperature Ts -40 — +125 °C Mechanical Shock Per Mil-STD-883D, Method 2002.3 1 msec, Half Sine, mounted to a fixture — 500 — G’s Mechanical Vibration Per Mil-STD-883D, Method 2007.2, —5 — G’s 20-2000 Hz, Soldered in a PC board Weight — 4.5 — grams * ISR will operate down to no load with reduced specifications. ** For applications with input voltages greater than 7 VDC, use the PT78NR100 Series. *** See SOA Curves. |
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