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PT5111N Datasheet(PDF) 2 Page - Texas Instruments |
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PT5111N Datasheet(HTML) 2 Page - Texas Instruments |
2 / 7 page For technical support and more information, see inside back cover or visit www.ti.com PT5100 Series 1-A Positive Step-down Integrated Switching Regulator Specifications (Unless otherwise stated, Ta =25°C, Vin =Vinmin, Cout =100µF, and Io =Iomax) PT5100 SERIES Characteristic Symbol Conditions Min Typ Max Units Output Current Io Over Vin range 0.1 (1) — 1.0 A Input Voltage Range Vin Over Io Range Vo=3.3V 9 — 26 Vo=5.0V 9 — 38 VDC Vo>5.0V Vo + 4 — 38 Set Point Voltage Tolerance Vo tol — ±1±2%Vo Temperature Variation Regtemp 0° ≤Ta ≤ +60°C, Io =Iomin — ±0.5 — %Vo Line Regulation Regline Over Vin range — ±5 ±10 mV Load Regulation Regload Over Io range — ±5 ±10 mV Total Output Voltage Variation ∆Votot Includes set-point, line, load, — ±1.5 ±3 %Vo 0° ≤Ta ≤ +60°C Efficiency η Vo = 15V — 95 — Vo = 12V — 94 — Vo = 10V — 92 — % Vo =5.0V — 90 — Vo =3.3V — 82 — Vo Ripple (pk-pk) Vr 20MHz bandwidth — 2 — %Vo Transient Response ttr 1A/µs load step, 50% to 100% Iomax — 100 200 µs ∆Vtr Vo over/undershoot — ±5.0 — %Vo Current Limit Ilim ∆Vo = –1% 1.2 2.6 — A Switching Frequency ƒs Over Vin range Vo≥ 5.0V 500 650 800 kHz Vo ≤ 3.3V 575 725 875 External Output Capacitance Cout 100 — — µF Operating Temperature Range Ta Over Vin range –40 (2) — +85 (3) °C Thermal Resistance θja Free-air convection (40-60LFM) Vo =3.3V — 45 — Vo =5.0V — 50 — °C/W Vo ≥ 12V — 60 — Storage Temperature Ts — –40 — +125 °C Reliability MTBF Per Bellcore TR-332 11.3 — — 106 Hrs 50% stress, Ta =40°C, ground benign Mechanical Shock — Per Mil-Std-883D, method 2002.3, — 500 — G’s 1mS, half-sine, mounted to a fixture Mechanical Vibration — Per Mil-Std-883D, Method 2007.2 — 5 (4) —G’s 20-2000Hz, soldered in PC board Weight — Suffixes N, A, & C — 4.5 — grams Suffixes L & M — 6.5 — Flammability — Materials meet UL 94V-0 Notes: (1) The ISR will operate at no load with reduced specifications. (2) For operation below 0°C, use a tantalum type capacitor for C2. (3) See Thermal Derating curves. (4) The tab pins on the 5-pin mount package types (suffixes L & M) must be soldered. For more information see the applicable package outline drawing. |
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