Manuale d’uso / di manutenzione del prodotto FPF2302 del fabbricante Fairchild
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FPF2300/02/03 — Dual-Out put Current Limit Switch June 2009 © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 FPF2300/02/03 Dual-Output Current Limit Switch Features ! 1.8 to 5.5V Input V oltage Range ! T ypical R ON = 75m Ω at IN = 5.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 2 Application Circuit Figure 3.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 3 Pin Configuration Figure 5. Pin Configurations Pin Description Pin # Name Function 1 GND Ground 2 IN Supply Input: Input to the power swit ch and the supply voltage for the IC.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 4 Absolute Maximum Ratings S tresses exceeding the absolute maximum ratings may damage the device.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 5 Electrical Characteristics IN = 1.8 to 5.5V , T A = -40 to +85°C unless otherwise noted. T ypical values are at IN = 3.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 6 T ypical Characteristics 0. 00 10. 00 20. 00 30. 00 40. 00 50. 00 60. 00 70. 00 1. 8 2. 2 2. 5 2. 9 3.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 7 T ypical Characteristics 50 55 60 65 70 75 80 85 90 - 40 -15 10 35 60 8 5 T J , J UNC TI ON TE MPERAT URE ( ° C) ON RESI ST ANCE ( mOhm) R ON A R ON B IN = 5 .
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 8 T ypical Characteristics 1 10 100 1000 - 40 - 15 10 35 60 8 5 T J , JUN CTI O N TE M PERA TURE ( ° C) TURN ON /OFF DELAY TIME (us) t DOFF t DON IN = 3 .
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 9 T ypical Characteristics OUT 2V/DIV IN = 5V ON = 3.3V C OUT = 0.1 μ F R L = 500 Ω ON 2V/DIV IN 2V/DIV 200 μ s/DIV IN = 5V ON = 3.
FPF2300/02/03 — Dual-Out put Current Limit Switch © 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 10 T ypical Characteristics OUTB 2V/DIV IN = 5V ON = 3.3V C OUTA = 100 μ F C OUTB = 100 μ F R LA = R LB = 1 Ω IN 5V/DIV ON 2V/DIV 400 μ s/DIV OUTA 2V/DIV Figure 33.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 11 FPF2300/02/03 — Dual-Out put Current Limit Switch Description of Operation The FPF2300, FPF2302, a.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 12 FPF2300/02/03 — Dual-Out put Current Limit Switch Figure 37. FPF 2300 FLAGB While and Over-Current Condition is Applied Note: 7. An over-current condition si gnal loads the output with a heavy load current larger than I LIMIT value.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 13 FPF2300/02/03 — Dual-Out put Current Limit Switch Application Information Figure 38. Self Powered 4-Po rt USB Hub Using a Single FP F230X FPF230X is designed to simplify USB port power design based on self-powering USB host/hub applications.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 14 FPF2300/02/03 — Dual-Out put Current Limit Switch Figure 40. Self-Powere d USB Port for High Current Demand High current, over 2A, is some times required to supply enough power to downstream functions.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 15 FPF2300/02/03 — Dual-Out put Current Limit Switch PCB Layout Recommendations For the best performance, all traces should be as short as possible.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 16 FPF2300/02/03 — Dual-Out put Current Limit Switch FPF230X Evaluation Board The FPF230X evaluation board has components and circuitry to demonstrate FPF2300/2/3 load switch functions and features, accommodating both the MLP 3x3mm and SO8 p ackages.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 17 FPF2300/02/03 — Dual-Out put Current Limit Switch Dimensional Outline and Pa d Layout Figure 46. 8-Lead SO8 Packa ge Package drawings are provided as a service to custome rs considering Fairchil d components.
© 2009 Fairchild Semicond uctor Corporation www.fairchildsemi.com FPF2300/02/03 • Rev . 1.1.3 18 FPF2300/02/03 — Dual-Out put Current Limit Switch Dimensional Outlin e and Pad Layout Figure 47. 8-Lead Molded Leadless Pa ckage (MLP) Package drawings are provided as a service to custome rs considering Fairchil d components.
FPF2300/02/03 — Dual-Out put Current Limit Switch TRADEMARKS The following includes registered and unregistered tra demarks and serv ice marks, owned b y Fairchild Semiconductor an d/or its global subsidianr ies, and is not intended to be an exhaust ive list of all such trademarks.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Fairchild FPF2302 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Fairchild FPF2302 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Fairchild FPF2302 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Fairchild FPF2302 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Fairchild FPF2302, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Fairchild FPF2302.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Fairchild FPF2302. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Fairchild FPF2302 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
