Instruction/ maintenance manual of the product FPF2303 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.
An important point after buying a device Fairchild FPF2303 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Fairchild FPF2303 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Fairchild FPF2303 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Fairchild FPF2303 you will learn all the available features of the product, as well as information on its operation. The information that you get Fairchild FPF2303 will certainly help you make a decision on the purchase.
If you already are a holder of Fairchild FPF2303, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Fairchild FPF2303.
However, one of the most important roles played by the user manual is to help in solving problems with Fairchild FPF2303. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Fairchild FPF2303 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
