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PT6302C Datasheet(PDF) 1 Page - Texas Instruments |
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PT6302C Datasheet(HTML) 1 Page - Texas Instruments |
1 / 8 page For technical support and more information, see inside back cover or visit www.ti.com/powertrends 3 Amp Adjustable Positive Step-down Integrated Sw itching Regulators PT6300 Series • 90% Efficiency • Adjustable Output Voltage • Internal Short Circuit Protection • Over-Temperature Protection • On/Off Control (Ground Off) • Small SIP Footprint • Wide Input Range The PT6300 Series is a line of High-Performance 3 Amp, 12-Pin SIP (Single In-line Package) Integrated Switching Regulators (ISRs) 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 family offers a unique combination of features combining 90% typical effi- ciency with open-collector on/off control and adjustable output voltage. Quiescent current in the shutdown mode is typically less than 100µA. Standard Application C1 = Optional 1µF ceramic C2 = Required 100µF electrolytic (1) Q1 = NFET Ordering Information PT6302 ¨ = +5 Volts PT6303 ¨ = +3.3 Volts PT6304 ¨ = +12 Volts PT6314 ¨ = +1.5Volts Pin-Out Information Pin Function 1 Inhibit (30V max) 2Vin 3Vin 4Vin 5 GND 6 GND 7 GND 8 GND 9Vout 10 Vout 11 Vout 12 Vout Adj (5) PT Series Suffix (PT1234X) Case/Pin Configuration Vertical Through-Hole N Horizontal Through-Hole A Horizontal Surface Mount C PT6300 2,3,4 5,6,7,8 9,10,11 12 V IN COM COM V OUT C2 + 1 V OADJ INH Q1 C1 Pkg Style 200 SLTS031B (Revised 9/30/2000) Specifications Characteristics PT6300 SERIES (Ta=25 °C unless noted) Symbols Conditions Min Typ Max Units Output Current Io Over Vin range 0.1 (2) — 3.0 A Short Circuit Current Isc Vin = Vo + 5V — 5.0 — Apk Input Voltage Range Vin 0.1 ≤ Io ≤ 3.0 A Vo = 12V 16 — 30/38 (3) (Note: inhibit function cannot Vo = 5.0V 9 — 30/38 (3) V be used above 30V.) Vo = 3.3V 9 — 26 Vo = 1.5V 9.0 — 17 Output Voltage Tolerance ∆Vo Over Vin Range, Io = 3.0 A — ±1.0 ±2.0 %Vo Ta = 0°C to +60°C Line Regulation Regline Over Vin range — ±0.25 ±0.5 %Vo Load Regulation Regload 0.1 ≤ Io ≤ 3.0 A — ±0.25 ±0.5 %Vo Vo Ripple/Noise Vn Vin = Vin min, Io = 3.0 A — ±2 — %Vo Transient Response ttr 50% load change — 100 200 µSec with Co = 100µF Vos Vo over/undershoot — 5.0 — %Vo Efficiency η Vin=16V, Io = 0.5 A, Vo = 12V — 91 — Vin=9V, Io = 0.5 A, Vo = 5.0V — 89 — % Vin=9V, Io = 0.5 A, Vo = 3.3V — 84 — Vin=9V, Io =0.5A, Vo = 1.5V — 72 — Switching Frequency ƒo Over Vin and Io ranges, Vo = 12V 600 750 900 Vo = 3.3V/5V 400 500 600 kHz Vo = 1.5V 350 450 550 Shutdown Current Isc Vin = 15V — 100 — µA Quiescent Current Inl Io = 0A, Vin =10V — 10 — mA Absolute Maximum Ta Over Vin range -40 — +85 (4) °C Operating Temperature Range Thermal Resistance θ ja 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, — 500 — G’s Half Sine, mounted to a fixture Mechanical Vibration Per Mil-STD-883D, Method 2007.2, 20-2000 Hz,Soldered in a PC board — 10 — G’s Weight — — — 6.5 — grams Notes: (1) The PT6300 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications. (2) The ISR will operate to no load with reduced specifications. (3) Input voltage cannot exceed 30V when the inhibit function is used. (4) See Thermal Derating charts. (5) Consult the related application note for guidance on adjusting the output voltage. |
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