FairchildメーカーFPF2303の使用説明書/サービス説明書
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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.
デバイスFairchild FPF2303の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Fairchild FPF2303をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはFairchild FPF2303の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Fairchild FPF2303の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Fairchild FPF2303で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Fairchild FPF2303を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はFairchild FPF2303の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Fairchild FPF2303に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちFairchild FPF2303デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。