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PTH05050WAST Datasheet(PDF) 3 Page - Texas Instruments |
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PTH05050WAST Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page For technical support and further information, visit http://power.ti.com 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 (i) — 85 °C Solder Reflow Temperature Treflow Surface temperature of module body or pins 235 (ii) °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 —20 — G’s 20-2000 Hz Weight — — 2.9 — grams Flammability — Meets UL 94V-O Notes: (i) For operation below 0 °C the external capacitors m ust bave stable characteristics. use either a low ESR tantalum, Os-Con, or ceramic capacitor. (ii) During reflow of SMD package version do not elevate peak temperature of the module, pins or internal components above the stated maximum. 6-A, 5-V Input Non-Isolated Wide-Output Adjust Power Module PTH05050W —5-V Input SLTS213C – MAY 2003 – REVISED MAY 2004 Specifications (Unless otherwise stated, T a =25 °C, Vin =5 V, Vo =3.3 V, Cin =100 µF, Co1 =0 µF, Co2 =0µF, and Io =Iomax) PTH05050W Characteristics Symbols Conditions Min Typ Max Units Output Current Io 0.8 V ≤ Vo ≤ 3.6 V, 85°C, natural convection 0 — 6 (1) A Input Voltage Range Vin Over Io range 4.5 — 5.5 V Set-Point Voltage Tolerance Vo tol — — ±2 (2) %Vo Temperature Variation ∆Reg temp –40 °C <Ta < +85 °C — ±0.5 — %Vo Line Regulation ∆Regline Over Vin range — ±10 — mV Load Regulation ∆Reg load Over Io range — ±12 — mV Total Output Variation ∆Regtot Includes set-point, line, load, ——±3 (2) %Vo –40 °C ≤ T a ≤ +85 °C Efficiency η Io =4 A RSET = 698 Ω Vo = 3.3 V — 95 — RSET = 2.21 kΩ Vo = 2.5 V — 93 — RSET = 4.12 kΩ Vo = 2.0 V — 91 — % RSET = 5.49 kΩ Vo = 1.8 V — 90 — 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, Co2 =10 µF ceramic — 20 (3) — mVpp Over-Current Threshold Io trip Reset, followed by auto-recovery — 12 — A Transient Response 1 A/µs load step, 50 to 100 % Iomax, Co1 =100 µF ttr Recovery Time — 70 — µSec ∆V tr Vo over/undershoot — 100 — mV Track Input Current (pin 2)IIL track Pin to GND — — –130 (4) µA Track Slew Rate Capability dVtrack/dt Cout ≤ Cout(max)— — 1 V/ms Under-Voltage Lockout UVLO Vin increasing — 4.3 4.45 V Vin decreasing 3.4 3.7 — Inhibit Control (pin4)Referenced to GND Input High Voltage VIH Vin –0.5 — Open (4) V Input Low Voltage VIL –0.2 — 0.6 Input Low Current IIL inhibit Pin to GND — –130 — µA Input Standby Current Iin inh Inhibit (pin 4) to GND, Track (pin 2) open — 10 — mA Switching Frequency ƒs Over Vin and Io ranges 550 600 650 kHz External Input Capacitance Cin 100 (5) ——µF External Output Capacitance Co1, Co2 Capacitance value non-ceramic 0 100 (6) 3,300 (7) µF ceramic 0 — 300 Equiv. series resistance (non-ceramic)4 (8) ——m Ω Reliability MTBF Per Bellcore TR-332 6 ——106 Hrs 50 % stress, Ta =40 °C, ground benign Notes: (1) No derating is required when the module is soldered directly to a 4-layer PCB with 1 oz. copper. (2) 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. (3) The pk-pk output ripple voltage is measured with an external 10 µF ceramic capacitor. See the standard application schematic. (4) 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. (5) A 100 µF input capacitor is required for proper operation. The capacitor must be rated for a minimum of 300 mA rms of ripple current. (6) An external output capacitor is not required for basic operation. Adding 100 µF of distributed capacitance at the load will improve the transient response. (7) This is the calculated maximum. The minimum ESR limitation will often result in a lower value. Consult the application notes for further guidance. (8) This is the typcial 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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