Datasheet LT8494 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | SEPIC/Boost DC/DC Converter with 2A, 70V Switch, and 7μA Quiescent Current |
| Páginas / Página | 26 / 8 — BLOCK DIAGRAM |
| Formato / tamaño de archivo | PDF / 615 Kb |
| Idioma del documento | Inglés |
BLOCK DIAGRAM
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LT8494
BLOCK DIAGRAM
2.1V – SWEN OVP + 1.00V 256k SS Q S SR2 R + DIE + + VIN TEMP CHIP SHUTDOWN – 165°C 34V – – 2.4V – 100mV SUPPLY + SELECT LOGIC 2.15V – BIAS DISABLE PSD VOLTAGE 1.10V 34V + REFS 1.00V I + LIMIT SOFT- OTHERS – 2.4V START VC_LIMITER – Burst LOW POWER MODE VC A1 Mode + 1.202V DETECT SW – POWER +A3 R Q SWITCH Q1 FB FREQUENCY SR1 DRIVER FOLDBACK QUADRATIC S RAMP GENERATOR + A2 RT ADJUSTABLE – GND OSCILLATOR PG – PGOOD + 1.10V CHIP SHUTDOWN 8494 BD 8494fa 8 For more information www.linear.com/LT8494 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts
BLOCK DIAGRAM
2.1V – SWEN OVP + 1.00V 256k SS Q S SR2 R + DIE + + VIN TEMP CHIP SHUTDOWN – 165°C 34V – – 2.4V – 100mV SUPPLY + SELECT LOGIC 2.15V – BIAS DISABLE PSD VOLTAGE 1.10V 34V + REFS 1.00V I + LIMIT SOFT- OTHERS – 2.4V START VC_LIMITER – Burst LOW POWER MODE VC A1 Mode + 1.202V DETECT SW – POWER +A3 R Q SWITCH Q1 FB FREQUENCY SR1 DRIVER FOLDBACK QUADRATIC S RAMP GENERATOR + A2 RT ADJUSTABLE – GND OSCILLATOR PG – PGOOD + 1.10V CHIP SHUTDOWN 8494 BD 8494fa 8 For more information www.linear.com/LT8494 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts