For assistance or to order, call (800) 531-5782 PT6310 Series SLTS076 2 AMP ADJUSTABLE POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR • • • • • • • 87% Efficiency Adjustable Output Voltage Internal Short Circuit Protection Over-Temperature Protection On/Off Control (Ground Off) Small SIP Footprint Wide Input Range The PT6310 series is a HighPerformance 2 Amp, 12-Pin SIP (Single In-line Package) Integrated Pin-Out Information Pin Inhibit 1 Standard Application VOADJ 12 VIN 2,3,4 PT6300 VOUT 9,10,11 1 5,6,7,8 C1 INH C2 + Q1 COM COM C1 = Optional 1µF ceramic C2 = Required 100µF electrolytic Q1 = NFET Specifications Function (30V max) 2 3 Vin Vin 4 5 Vin GND 6 7 GND GND 8 9 GND Vout 10 11 Vout Vout 12 Vout Adj (Revised 8/17/99) Switching Regulator (ISR) designed to meet the on-board power conversion needs of battery powered or other equipment requiring high efficiency and small size. This high performance ISR offers a unique combination of features combining 87% typical efficiency with open-collector on/off control and adjustable output voltage. Quiescent current in the shutdown mode is typically less than 100µA. Ordering Information PT Series Suffix (PT1234X) PT6310! PT6311! PT6312! PT6313! Case/Pin Configuration = +14.6 Volts = +15.5 Volts = +15.0 Volts = +8.0 Volts N A C Vertical Through-Hole Horizontal Through-Hole Horizontal Surface Mount Pkg Style 200 PT6310 Series Characteristics (Ta = 25°C unless noted) Symbols Conditions Min Typ Max Units Output Current Short Circuit Current Io Isc Over Vin range Vin = Vo + 5V 0.1* — — 5.0 2.0 — A Apk Input Voltage Range Output Voltage Tolerance Vin ∆Vo 0.1 ≤ Io ≤ 2.0 A Over Vin Range, Io = 2.0 A Ta = 0°C to +60°C Vo + 4 — 38** V — ±1.0 ±2.0 %Vo Line Regulation Regline Over Vin range — ±0.25 ±0.5 %Vo Load Regulation Vo Ripple/Noise Regload Vn 0.1 ≤ Io ≤ 2.0 A Vin = Vin min, Io = 2.0A — — ±0.25 ±2 ±0.5 — %Vo %Vo Transient Response with Co = 100µF ttr Vos 50% load change Vo over/undershoot — — 100 5.0 200 — µSec %Vo Efficiency Switching Frequency η ƒo Vin=24V, Io = 2.0 A Over Vin and Io ranges — 600 500 87 700 550 — 800 600 % kHz kHz Shutdown Current Quiescent Current Isc Inl Vin = 15V Io = 0A, Vin =10V — — 100 10 — — µA mA Output Voltage Adjustment Range Vo Below Vo Above Vo See Application Notes. Absolute Maximum Operating Temperature Range Ta +85 °C Recommendated Operating Temperature Range Ta Free Air Convection, (40-60LFM) At Vin = 18V, Io = 2.0A -40 — +70 °C Thermal Resistance θja Free Air Convection (40-60LFM) — 30 — °C/W 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, 20-2000 Hz,Soldered in a PC board — 10 — G’s — — 6.5 — grams Weight — PT6312 only -40 — * ISR will operate to no load with reduced specifications. ** Input voltage cannot exceed 30V when the inhibit function is used. Note: The PT6310 requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications. Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.ti.com/powertrends 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 acknowledgment, 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. Customers are responsible for their applications using TI components. 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 2000, Texas Instruments Incorporated