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PT5813 Datasheet(PDF) 2 Page - Texas Instruments |
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PT5813 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 11 page For technical support and more information, see inside back cover or visit www.ti.com PT5810 Series 20-A 3.3-V Input Adjustable Integrated Switching Regulator Specifications (Unless otherwise stated, Ta =25 °C, Vin =3.3 V, Vout =1.8 V, Cin =1,000 µF, Cout =330 µF, and Io =Iomax) PT5810 SERIES Characteristics Symbols Conditions Min Typ Max Units Output Current Io 0— 20 A Input Voltage Range Vin Over Io range 2.95 (1) — 3.65 V Set-Point Voltage Tolerance Vo tol — — ±2 %Vo Temperature Variation ∆Regtemp –40°C <Ta < +85 °C — ±0.5 — %Vo Line Regulation ∆Regline Over Vin range — ±4 — mV Load Regulation ∆Regload Over Io range — ±2 — mV Total Output Variation ∆Regtot Includes set-point, line, load, ——±3 %Vo –40°C ≤ Ta ≤ +85 °C Efficiency η Io =12 A PT5812 (2.5 V) — 93 — PT5813 (1.8 V) — 90 — % PT5814 (1.5 V) — 89 — PT5815 (1.2 V) — 87 — PT5816 (1.0 V) — 84 — Vo Ripple (pk-pk) Vr 20 MHz bandwidth — 20 — mVpp Transient Response 1 A/µs load step, 50 to 100 % Iomax, ttr Recovery Time — 50 — µSec ∆Vtr Vo over/undershoot — 120 — mV Over-Current Threshold ITRIP Reset, followed by auto-recovery — 30 — A Output Voltage Adjust Vo adj With Vo Adjust — ±15 (2) — % With Margin Up/Dn — ±5 — Switching Frequency ƒs Over Vin and Io ranges 250 300 350 kHz Inhibit Control (pin 2) Referenced to GND (pins 9–13) Input High Voltage VIH Vin –0.5 — Open (3) V Input Low Voltage VIL –0.2 — 0.6 Input Low Current IIL Pin 2 to GND — –0.2 — mA Standby Input Current Iin standby Pin 2 to GND — 5 — mA External Input Capacitance Cin 1,000 (4) ——µF External Output Capacitance Cout 330 (5) — 5,000 µF Operating Temperature Range Ta Over Vin range –40 (5) — +85 (6) °C Over-Temperature Protection OTP Measured at center of case, auto-reset — 110 — °C Solder Reflow Temperature Treflow Surface temprature of module pins or case — — 215 (7) °C Storage Temperature Ts — -40 — +125 °C Reliability MTBF Per Bellcore TR-332 5.8 — — 106 Hrs 50% stress, Ta =40°C, ground benign Mechanical Shock Mil-STD-883D, Method 2002.3 — 500 — G’s Half Sine, mounted to a fixture Mechanical Vibration Mil-STD-883D, Method 2007.2, — 20 (8) —G’s 20-2000 Hz, PCB mounted Weight — — — 20 — grams Flammability — Materials meet UL 94V-0 Notes: (1) The minimum input voltage is equal to 2.95 V or Vout + 0.75 V, whichever is greater. (2) This is a typical value. For the adjustment limits of a specific model consult the related application note on output voltage adjustment. (3) The Inhibit control (pin 2) has an internal pull-upto Vin, and if left open-circuit the module will operate when input power is applied. A small low- leakage (<100nA) MOSFET is recommended to control this input. See application notes for more information. (4) A 1,000 µF electrolytic input capacitor is required for proper operation. This capacitor must be rated for a minimumm of 0.7 Arms of ripple current. (5) For operation below 0 °C, COUT must have stable characteristics. Use either low-ESR tantalum or Oscon® type capacitors. (6) See SOA curves or consult factory for the appropriate derating. (7) During solder reflow of SMD package version do not elevate the module case, pins, or internal component temperatures above a peak of 215 °C. For further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products,” (SLTA051) (8) The case pins on the through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing. SLTS174A - JANUARY 2003 - REVISED APRIL 2003 |
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