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ATH30T033 Datasheet(PDF) 3 Page - Astec America, Inc |
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ATH30T033 Datasheet(HTML) 3 Page - Astec America, Inc |
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3 / 16 page  North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 Asia (HK): 852-2437-9662 Environmental & Absolute Maximum Ratings (Voltages are with respect to GND) Characteristics Symbols Conditions Min Typ Max Units Track Input Voltage Vtrack –0.3 — Vin + 0.3 V Operating Temperature Range Ta Over Vin Range –40 — 85 °C Solder Reflow Temperature Treflow Surface temperature of module body or pins 235 (i) °C Storage Temperature Ts — –40 — 125 °C Mechanical Shock Per Mil-STD-883D, Method 2002.3 — 500 — G’s 1 msec, ½ Sine, mounted Mechanical Vibration Mil-STD-883D, Method 2007.2 Suffix S — 10 — G’s 20-2000 Hz Suffix H — 20 — Weight — — 10 — grams Flammability — Meets UL 94V-O Notes: (i) During reflow of SMD package version do not elevate peak temperature of the module, pins or internal components above the stated maximum. ATH30T033 Series —3.3-V Input 30-A, 3.3-V Input Non-Isolated Wide-Output Adjust Power Module REVISION 00 (30APR2004) Specifications (Unless otherwise stated, T a =25 °C, Vin =3.3 V, Vout =2 V, Cin =1,500 µF, Cout =0 µF, and Io =Iomax) ATH30T033 Characteristics Symbols Conditions Min Typ Max Units Output Current Io 60 °C, 200 LFM airflow 0 — 30 (1) A 25 °C, natural convection 0 — 30 (1) Input Voltage Range Vin Over Io range 2.95 (2) — 3.65 V Set-Point Voltage Tolerance Vo tol — — ±2 (3) %Vo Temperature Variation ∆Regtemp –40 °C <Ta < +85 °C — ±0.5 — %Vo Line Regulation ∆Regline Over Vin range — ±10 — mV Load Regulation ∆Regload Over Io range — ±12 — mV Total Output Variation ∆Regtot Includes set-point, line, load, — — ±3 (3) %Vo –40 °C ≤ Ta ≤ +85 °C Efficiency η Io =20 A RSET = 2.21 kΩ Vo = 2.5 V — 93 — RSET = 4.12 kΩ Vo = 2.0 V — 92 — RSET = 5.49 kΩ Vo = 1.8 V — 91 — % RSET = 8.87 kΩ Vo = 1.5 V — 89 — RSET = 17.4 kΩ Vo = 1.2 V — 87 — RSET = 36.5 kΩ Vo = 1.0 V — 85 — Vo Ripple (pk-pk) Vr 20 MHz bandwidth — 30 — mVpp Over-Current Threshold Io trip Reset, followed by auto-recovery — 45 — A Transient Response 1 A/µs load step, 50 to 100 % Iomax, Cout =330 µF ttr Recovery Time — 70 — µSec ∆Vtr Vo over/undershoot — 100 — mV Margin Up/Down Adjust Vo adj — ± 5 — % Margin Input Current (pins 12 /13) IIL margin Pin to GND — – 8 (4) —µA Track Input Current (pin 8) IIL track Pin to GND — — –130 (5) µA Track Slew Rate Capability dVtrack/dt Cout ≤ Cout(max) — — 1 V/ms Under-Voltage Lockout UVLO Vin increasing — 2.45 2.8 V Vin decreasing 2.2 2.4 — Inhibit Control (pin4) Referenced to GND Input High Voltage VIH Vin –0.5 — Open (5) V Input Low Voltage VIL –0.2 — 0.8 Input Low Current IIL inhibit Pin to GND — –130 — µA Input Standby Current Iin inh Inhibit (pin 4) to GND, Track (pin 11) open — 10 — mA Switching Frequency ƒs Over Vin and Io ranges 275 300 325 kHz External Input Capacitance Cin 1,500 (6) —— µF External Output Capacitance Cout Capacitance value non-ceramic 0 330 (7) 16,500 (8) µF ceramic 0 — 300 Equiv. series resistance (non-ceramic) 4 (9) —— m Ω Reliability MTBF Per Bellcore TR-332 2.8 — — 106 Hrs 50 % stress, Ta =40 °C, ground benign Notes: (1) See SOA curves or consult factory for appropriate derating. (2) The minimum input voltage is equal to 2.95 V or Vout + 0.5 V, whichever is greater. (3) The set-point voltage tolerance is affected by the tolerance and stability of RSET. The stated limit is unconditionally met if RSET has a tolerance of 1 % with 100 ppm/°C or better temperature stability. (4) A small low-leakage (<100 nA) MOSFET is recommended to control this pin. The open-circuit voltage is less than 1 Vdc. (5) This control pin has an internal pull-up to the input voltage Vin. If it is left open-circuit the module will operate when input power is applied. A small low-leakage (<100 nA) MOSFET is recommended for control. For further information, consult the related application note. (6) A 1,500 µF electrolytic input capacitor is required for proper operation. The capacitor must be rated for a minimum of 900 mA rms of ripple current. (7) An external output capacitor is not required for basic operation. Adding 330 µF of distributed capacitance at the load will improve the transient response. (8) This is the calculated maximum. The minimum ESR limitation will often result in a lower value. Consult the application notes for further guidance. (9) This is the typical ESR for all the electrolytic (non-ceramic) output capacitance. Use 7 m Ω as the minimum when using max-ESR values to calculate. |
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