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PTH12000WAH Datasheet(PDF) 5 Page - Texas Instruments |
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PTH12000WAH Datasheet(HTML) 5 Page - Texas Instruments |
5 / 19 page For technical support and further information visit http://power.ti.com 6-A, 12-V Input Non-Isolated Wide-Output Adjust Power Module SLTS202E– MAY 2003 – REVISED NOVENBER 2007 PTH12000L — 12-V Input Electrical Specifications Unless otherwise stated, Ta =25 °C, Vin =12 V, Vo =1.8 V, C1 =100 μF, C2 =0 μF, C3 =0 μF, and Io =Iomax PTH12000L Characteristics Symbols Conditions Min Typ Max Units Output Current Io Over ΔVadj range, Ta =85 °C, natural convection 0 — 6 A Input Voltage Range Vin Over Io range 10.8 — 13.2 V Set-Point Voltage Tolerance Vo tol — — ±2 (1) %Vo Temperature Variation ΔRegtemp –40 °C <Ta < +85 °C — ±0.5 — %Vo Line Regulation ΔRegline Over Vin range — ±5 — mV Load Regulation ΔRegload Over Io range — ±5 — mV Total Output Variation ΔRegtot Includes set-point, line, load, ——±3 (1) %Vo –40 °C ≤ Ta ≤ +85 °C Ouput Voltage Adjust Range ΔVadj Over Vin range 0.8 — 1.8 V Efficiency η Vin =12 V, Io =4 A RSET = 130 Ω Vo = 1.8 V — 87 — RSET = 3.57 k Ω Vo = 1.5 V — 86 — RSET = 12.1 kΩ Vo = 1.2 V — 85 — % RSET = 32.4 k Ω Vo = 1.0 V — 82 — RSET = Open cctVo = 0.8 V — 79 — Vo Ripple (pk-pk) Vr 20 MHz bandwidth, Io =4 A Vo > 1.2 V — 25 (2) — mVpp C3 =10 μF ceramic Vo ≤ 1.2 V — 20 (2) — Transient Response 1 A/μs load step, 50 to 100 % Iomax, Vo =1.8 V, C2 =100 μF ttr Recovery time — 70 — μSec ΔVtr Vo over/undershoot — 100 — mV Over-Current Threshold Io trip Reset followed by auto-recovery — 12 — A Under-Voltage Lockout UVLO Vin increasing — — 10.4 V Vin decreasing 8.8 — — Inhibit Control (pin 3) Referenced to GND Input High Voltage VIH Vin –0.5 — Open (3) V Input Low Voltage VIL –0.2 — 0.5 Input Low Current IIL Pin 3 to GND — –240 — μA Standby Input Current Iin standby pins 1 & 3 connected — 1 — mA Switching Frequency ƒs Over Vin and Io ranges 200 250 300 kHz External Input Capacitance Cin 100 (4) ——μF External Output Capacitance Cout Capacitance value non-ceramic 0 100 (5) 3,300 (6) μF ceramic 0 — 300 Equiv. series resistance (non-ceramic) 4 (7) ——m Ω Reliability MTBF Per Bellcore TR-332 9.4 — — 106 Hrs 50 % stress, Ta =40 °C, ground benign Notes: (1) The set-point voltage tolerance is affected by the tolerance and stability ofRSET. The stated limit is unconditionally met if RSET has a tolerance of 1% with 100 ppm/°C or better temperature stability. (2) The pk-pk output ripple voltage is measured with an external 10 μF ceramic capacitor. See the standard application schematic. (3) The Inhibit control (pin 3) has an internal pull-up to Vin, and if left open-circuit the module will operate when input power is applied. A small low- leakage (<100 nA) MOSFET is recommended to control this input. See application notes for more information. (4) The regulator requires a minimum of 100 μF input capacitor with a minimum 750 mArms ripple current rating. For further information, consult the related application note on Capacitor Recommendations. (5) An external output capacitor is not required for basic operation. Adding 100 μF of distributed capacitance at the load will improve the transient response. (6) This is the calculated maximum. The minimum ESR limitation will often result in a lower value. Consult the application notes for further guidance. (7) 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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