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PT6122C Datasheet(PDF) 1 Page - Texas Instruments |
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PT6122C Datasheet(HTML) 1 Page - Texas Instruments |
1 / 6 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.ti.com/powertrends 4 Standard Application Ordering Information PT6121! = +5 Volts PT6122! = +3.3 Volts PT Series Suffix (PT1234X) Case/Pin Configuration Vertical Through-Hole N Horizontal Through-Hole A Horizontal Surface Mount C Pin-Out Information PT6120 Series • Low Voltage Input (7V) • 89% Efficiency • Adjustable Output Voltage • Internal Short Circuit Protection • Over-Temperature Protection • On/Off Control (Ground Off) The PT6120 series is a low volt- age input (typically 7V) version of Power Trends’ high-performance 1A, 12 pin SIP Integrated Switching Regulators (ISRs). These ISRs are de- signed with premium low threshold FETs for those applications requiring very low input/output voltage differentials such as battery powered equipment. This high- performance ISR family offers a unique combination of features combining 89% typical efficiency with open-collector on/ off control and adjustable output voltage. Quiescent current in the shutdown mode is less than 100µA. 1 AMP ADJUSTABLE LOW VOLTAGE INPUT INTEGRATED SWITCHING REGULATOR C1 = Optional 1µF ceramic Q1 =NFET C2 = Required 100µF electrolytic 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 PT6120 2,3,4 5,6,7,8 9,10,11 12 V IN GND GND V OUT C2 + 1 V OADJ INH Q1 C1 Specifications Characteristics PT6120 SERIES (T a =25 °C unless noted) Symbols Conditions Min Typ Max Units Output Current Io Over Vin range 0.1* — 1.0 A Short Circuit Current Isc Vin = Vin min — 3.5 — Apk Input Voltage Range Vin 0.1 ≤ Io ≤ 1.0 A Vo = 3.3V 7 — 26 V (Note: inhibit function cannot be used with Vin above 30V)Vo = 5V 7 — 30/38** V Output Voltage Tolerance ∆Vo Over Vin Range, Io = 1.0 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 ≤ 1.0 A — ±0.25 ±0.5 %Vo Vo Ripple/Noise Vn Vin=Vin min, Io=1.0 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=9V, Io=0.5A, Vo=3.3V — 84 — % Vin=9V, Io=0.5A, Vo=5V — 89 — % Switching Frequency ƒo Over Vin and Io ranges 400 500 600 kHz Shutdown Current Isc Vin = 15V — 100 — µA Quiescent Current Inl Io = 0A, Vin =10V — 10 — mA Output Voltage Vo Below Vo See Application Notes. Adjustment Range Above Vo Absolute Maximum Ta -40 — +85 °C Operating Temperature Range Recommended Operating Ta Free Air Convection, Vo= 3.3V -40 — +85*** °C Temperature Range (40-60LFM) Vo= 5V -40 — +85*** Thermal Resistance θ ja Free Air Convection Vo = 3.3V — 50 — °C/W (40-60LFM) Vo = 5V — 40 — Storage Temperature Ts -40 — +125 °C Mechanical Shock Per Mil-STD-883D, Method 2002.3 — 500 — G’s 1 msec, Half Sine, mounted to a fixture Mechanical Vibration Per Mil-STD-883D, Method 2007.2 —10 — G’s 20-2000 Hz, Soldered in a PC board Weight — 5.0 — grams * ISR will operate down to no load with reduced specifications. ** Input voltage cannot exceed 30V when the inhibit function is used. ***See Thermal Derating chart. Note: The PT6120 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications. Pkg Style 200 PT6120 SLTS081 (Revised 6/4/98) |
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