PT5022A TI | Alldatasheet

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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.com42 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 Vout

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 T rends’ 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 T opology 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 Pkg Style 100 Specifications Characteristics PT5020 SERIES (Ta=25°C unless noted) Symbols Conditions Min Typ Max Units Output Current I o Over Vin range V o=-3.3V to 6.5V 0.25* — 1.0 A Current Limit I cl Vin = 5V — 1.5 I o max —A Inrush Current I ir Vin = +5V @ max Io — 1.0 — A tir On start up — 1.0 — mSec Short Circuit Current I sc Vin = 5V — 2 I o max —A Input Voltage Range V in Io = 0.1 to Io max 4.75 — 7 V Output Voltage Tolerance DVo Over Vin Range Io= Imax — ±1.5 ±3 %V o Ta = -20°C to shutdown Line Regulation Reg line Over Vin range — ±0.5 ±1 %V o Load Regulation Reg load Imin £ Io £ Imax — ±0.5 ±1 %V o Vo Ripple/Noise V n Vin=5V, Io= Imax —± 2 ± 5 % V o Transient Response t tr 25% load change — 500 — µSec Vo over/undershoot — 3.0 5.0 %V o Efficiency h Vin=5V, Io=0.5 Imax —7 5 — % Switching Frequency ƒ O Over Io range V o=3.3 to 8V 0.8 1 1.2 MHz Vo ‡ 8 V 500 650 800 kHz Absolute Maximum T a — -20 — +85 °C Operating Temperature Range Recommended Operating T a Free Air Convection, (40-60 LFM) -20 — +65* °C Temperature Range Over V in and Io range Thermal Resistance qja Free Air Convection — 50 — °C/W (40-60LFM) Storage Temperature T s -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 ’ s20-2000 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.

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 43 5V to 3.x Converters5V Bus Products DATA SHEETS CHARACTERISTIC DATA PT5022 (-5VDC) (See Note 1) Efficiency vs Output Current Ripple Voltage vs Output Current Power Dissipation vs Output Current Note 1: All data listed in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR. PT5024 (-12VDC) (See Note 1) Efficiency vs Output Current Ripple Voltage vs Output Current Power Dissipation vs Output Current Safe Operating Area (VIN=5V) Safe Operating Area (VIN=5V) CHARACTERISTIC DATA PT5020 Series Efficiency - %Ripple-(mV)PD-(Watts) Iout-(Amps) Iout-(Amps) PD-(Watts) 100 7.0V 6.5V 6.0V 5.5V 5.0V 4.75V Vi n Ripple-(mV) Iout-(Amps) Iout-(Amps) Ambient Temperature - (C°) Ambient Temperature - (C°) Maximum Output Ciurrent - (Amps)Maximum Output Ciurrent - (Amps) Iout-(Amps)Iout-(Amps) 0.5 1.5 4.75V 5.0V 5.5V 6.0V 6.5V 7.0V Vin 100 120 140 160 4.75V 5.0V 5.5V 6.0V 6.5V 7.0V Vin 100 0 0.2 0.4 0.6 0.8 1 7.0V 6.5V 6.0V 5.5V 5.0V 4.75V Vin 0.5 1.5 2.5 0 0.2 0.4 0.6 0.8 1 4.75V 5.0V 5.5V 6.0V 6.5V 7.0V Vin 100 0 0.2 0.4 0.6 0.8 1 4.75V 5.0V 5.5V 6.0V 6.5V 7.0V Vin Efficiency - % 0 0.2 0.4 0.6 0.8 1

0 LFM

60 LFM

90 LFM

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