For assistance or to order, call Application Notes Mechanical Outline Product Selector Guide (800) 531-5782 PT5040 Series 1 AMP STEP-UP INTEGRATED SWITCHING REGULATOR • Wide Input Voltage Range • 85% Efficiency • Internal Over-Temperature Protection • Laser-trimmed Output Voltage • Soft Start 1 3 Ordering Information PT Series Suffix (PT1234X) Pin PT5041o = +12 Volts PT5042o = +15 Volts PT5044o = +8 Volts PT5045o = +9 Volts PT5046o = +10 Volts PT5047o = +18 Volts PT5048o = +12.6 Volts PT5049o = +20 Volts Case/Pin Configuration Vertical Through-Hole Horizontal Through-Hole Horizontal Surface Mount C1 C2 Function 1 Vin 2 GND 3 Vout VOUT (+) PT5040 C3 2 COM The Power Trends’ PT5040 Series is a 3-terminal Integrated Switching Regulator (ISR) designed for use with +5 volt systems that require an additional regulated +8 to +20 volts with up to 1A of output current. These ISRs are packaged in the 3 pin SIP configuration. Pin-Out Information Standard Application VIN (+) Revised 6/30/98 COM Pkg Style 100 N A C C1 = Optional ceramic (1-5µF) C2 = Optional ceramic (1-5µF) C3 = Required Electrolytic (100µF) NOTE: Boost Topology ISRs are not Short-Circuit Protected. Specifications PT5040 SERIES Characteristics (Ta=25°C unless noted) Symbols Conditions Output Current Io Over Vin range Current Limit** Inrush Current Icl Iir tir Input Voltage Range Vin Vin = +5V Vin = +5V @ max Io On start up Io = 0.1 to Iomax Output Voltage Tolerance ∆Vo Line Regulation Min Typ Max Units 0.1* 0.1* 0.1* 0.1* 0.1* 0.1* — — — — — — 0.5 0.6 1.0 0.75 1.5 1.25 A A A A A A — — — — — — 4.75 4.75 1.5 Iomax 2.5 1 — — (Vo-1V) 14 A A mSec V V Over Vin Range Io = Imax, Ta= -20°C to shutdown — ±1.5 ±3.0 %Vo Regline Over Vin range — ±0.5 ±1.0 %Vo Load Regulation Regload 0.1 ≤ Io ≤ Iomax — ±0.5 ±1.0 %Vo Vo Ripple/Noise Vn Vin= +5V, Io=Iomax — ±2 ±5 %Vo Transient Response ttr Vos 25% load change Vo over/undershoot — — 500 3.0 — 5.0 µSec %Vo Efficiency η Vin= +5V, Io=0.5A, Vo= +12V Switching Frequency ƒo Over Vin and Io ranges Absolute Maximum Operating Temperature Range Ta Recommended Operating Temperature Range PT5047/5049 — 85 — % 500 650 650 800 800 950 kHz kHz — -20 — +85 °C Ta Free Air Convection, (40-60LFM) Vo<15V Over Vin and Io ranges Vo>15V -20 -20 — — 70*** 55*** °C °C Thermal Resistance θja Free Air Convection (40-60LFM) — 40 — °C/W Storage Temperature Ts Vo<15V Vo>15V -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, 20-2000 Hz, Soldered in a PC Board — 5 — G’s — 4.5 — grams Weight * ISR will operate down to no load with reduced specifications. ** Boost topology ISRs are not short circuit protected. 44 Vo=20V Vo=18V Vo=12V Vo=15V Vo=8V Vo=9V *** See SOA Curves. Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com CHARACTERISTIC (800) 531-5782 PT5040 Series DATA Efficiency vs Output Current Efficiency vs Output Current 10 0 10 0 90 V in 80 11.0V 8.0V 70 6.0V 60 Efficiency - % Efficiency - % 90 80 V in 14.0V 12.0V 10.0V 8.0V 6.0V 5.0V 70 60 5.0V 50 50 40 40 0 0 .2 0 .4 0 .6 0 .8 0 1 0.1 5 Ripple Voltage vs Output Current 0 .6 0.7 5 25 0 20 0 V in 5 .0 V 15 0 6 .0 V 8 .0 V 10 0 Ripple-(mV) Ripple-(mV) 0.4 5 Ripple Voltage vs Output Current 25 0 20 0 V in 5.0 V 6.0 V 8.0 V 10 .0V 12 .0V 14 .0V 15 0 10 0 1 1 .0 V 50 50 0 0 0 0 .2 0 .4 0 .6 0 .8 1 0 0.1 5 Iout-(Amps) 0 .3 0.4 5 0 .6 0.7 5 Iout-(Amps) Power Dissipation vs Output Current Power Dissipation vs Output Current 2.5 3 2.5 V in 1.5 5.0V 6.0V 1 PD-(Watts) 2 PD-(Watts) 0 .3 Iout-(Amps) Iout-(Amps) Vin 2 5.0V 6.0V 8.0V 10.0V 12.0V 14.0V 1.5 8.0V 1 11.0V 0.5 0.5 0 0 0 0.2 0.4 0.6 0.8 1 0 Iout-(Amps) 0.15 0.3 0.45 0.6 0.75 Iout-(Amps) Safe Operating Area (VIN=5V) Safe Operating Area (VIN=5V) 90 90 80 80 70 60 Airflow 50 0 LFM 60 LFM 40 90 LFM 30 Ambient Temperature - (C°) Ambient Temperature - (C°) (See Note 1) 70 60 Airflow 50 0 LFM 60 LFM 40 90 LFM 30 20 0 0.2 0.4 0.6 0.8 Maximum Output Current - (Amps) 1 20 0.00 0.25 0.50 0.75 Maximum Output Current - (Amps) 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. Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com 45 DATA SHEETS PT5042, +15.0 VDC (See Note 1) 5V5V to Bus 3.x Converters Products PT5041, +12.0 VDC For assistance or to order, call 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. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER’S RISK. In order to minimize risks associated with the customer’s applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI’s publication of information regarding any third party’s products or services does not constitute TI’s approval, warranty or endorsement thereof. Copyright 1999, Texas Instruments Incorporated