1. Trang chủ
  2. » Kỹ Thuật - Công Nghệ

MANAGING POWER ELECTRONICS VLSl and DSP-Driven Computer Systems phần 8 pptx

41 292 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 41
Dung lượng 1,77 MB

Nội dung

266 Appendix C Fairchild Specifications for FSD210 and FSD200 FSDZIO, FSDZOO Layout Considerations (for Flyback Convertor) Figure 17 Layout Considerations for FSDZxO using 7DIP 15 Appendix C Fairchild Specifications for FSD210 and FSD200 267 7-DIP 762 TIP 1762.0251 268 Appendix C Fairchild Specifications for FSD210 and FSD200 Package Dimensions (conmedi 7-LSOP FSDZIO. FSD200 17 Appendix C Fairchild Specifications for FSD210 and FSD2OO 269 Product Number [ Package 1 Rating FSOZIO, FSOZW Topr ('c) Ordering Information FSD2lO 7DIP 700V. 0.5A I -25°C to +85"C FSD210M DISCLAIMER FAIRCHILO SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY 7LSOP 7wv. 0 5.4 PRODUCTS HEREIN TO IMPROVE RELIABILITY FUNCTION OR DESIGN FAIRCHILD DOES NOT ASSUME ANY LlABlLlTYARiSlNG OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CiRCUlT DESCRIBED HEREIN, NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS LIFE SUPPORT POLICY FAiRCH LO S PRODUCTS ARE hOT AUTnORlZED I OR USE AS CR TICAL COMPONEhTS ik LiFF SUPPCRT OEViCFS OR SYSTEMS WITHOUT IHE EXPKESS WHITTEN AI'PROVAL OF THF PRES DFNT OF FAIRCrliLU SEM CONDLCTOR CORPORAT ON As Lie: here r 1. Life support devices or systems are devices or systems which. (a) are intended for surgical implant into me body. or (b) support or sustain life, and (c) whose failure to perform when propedy used m aacardance with inslruchons for use provided in the labeling. can be reasonably expected to result in a significant injury of the Usel 2. A critical component in any camponant of a life support device or system whme failure lo perform can be reasonablyexpectedlocauJBthefadur~afthe iifesupport device or svstem. or lo affect its safetv or effectiveness. w fslrcnlsem,.un 4#2Dm5 D Om 001 , 2004 Faimbld SemlumOuc10( C~iporaUm This Page Intentionally Left Blank 27 1 272 Appendix D Fairchild Specifications for FAN5307 - FA1 RCH ILD -CO” www.fairchiIdserni.com FAN5307 High-Eff iciency Step-Down DC-DC Converter Description h IC.id \lI I’ 1\38 . Typical Application REV 1 0 1 2/4/04 Features - 95% Efficiency. Synchronous Operation * Adju\tahlr Output Vbltage Option from 0.7V 10 VIR - ?.SV to 5.5'4 Input Voltage Range * Cu\ti~mzcd Fixed Output Voltage Optiirni - Up to 3UOrnA Output Cumnt * Fixed Frequency IMHL PWM Operation * High hfilciency Power Stwr Mode - 100% Duly Cycle Low Dropout Opcrirtioti - Suit Start - Dynamic Output Voltage Positioning * 15pA Quiescent Currenl * Excellcnl Lmad Tnmient Ke\ponsc . 5-Lead SOT-21 Package - 6-Lead M1.P 3nlmm h'ackngc Applications - P<rket Ks, PDA\ * Cell Phone5 * Battery-Powered Pwtahle Devices * Digital Camcms * Low Power LISP Suppile\ Description The FANS307, s high efficiency low inoisc \ynchronous PWM current mode and Pulx Skip (Power Save) mode DC-DC convener is devigned for baltery-powered applica- tion,. It provides up to 300niA of output current ovcr il wide input range fmm 2.5V to J.5V. The output volt~ge can he either internally fixed or externally adlustable o~er a wide range of 0.7V to 5.5V by ao external voltqe dividtr. Cusloni wtpnt vollages are iilw awihhle At malerate and light loads pulse skipping modulation is used. Dyniiinic voltage po\moning 15 applied. and the output volmge is \hifted 0 8% above noniiniil value for mcrersed hcadmom during load lransient*. At higher loads the system imtonratically switchm to currcnl inode PWM contiol. operating at I MH,. A current inlode cuntnil loop with Iaht trilnvcnt rcrponsr cnwres excellent line md load regulation In Po-er Saw iniode. the quir*cent current 1, reduccd to I5pA in urdcr to achieve high efficiency and lo rncuir long battery life In 5hut-dawn niodr, thc wpply ~urrcnf drop, helow IpA. The device i\ availilble nn J-lead SOT-23 dnd 6-lend MLPIx3mm package.; Appendix 0 Fairchild Specifications for FAN5307 273 Pin No. Pin Name Pin Description 1 2 GND Ground 3 4 ~~~~ . VIN Supply voltage input ~~ EN FB Enable Input. Logic high enables the chip and logic low disables the chip and reduces Feedback Input In case of fixed voltage options. connect this pin directly to the output supply current to <1 pA DO not float this pin For an adlustable voltaoe ODtiOn. connect this Din to the resistor divider PRODUCT SPECIFICATION Pin No. 1 2 3 4 5 6 Pin Assignment Pin Name Pin Description EN Enable Input Logic high enables the chip and logic low disables the chip and reduces supply current to itpA Do not float this pin GND Reference ground VIN Supply voltage input ~~~~ Lx Inductor pin This pin 16 connected to the internal MOSFET switches PGND FB Power ground Internal N-channel MOSFET IS connected to this pin Feedback Input In case of fixed voltage options, connect this pin directly to the output For an adjustable voltage option. connect this pin to the resistor divider TWVIEW S-bd Yn-23 FAN5307IFAN5307SX FAN5307 ~ Topvim ". 5 ~ Lx i Inductor pin Thls pin is connected to the internal MOSFET switches 274 Appendix D Fairchild Specifications for FAN5307 PRODUCT SPECIFICATION FAN5307 Absolute Maximum Ratings Parameter 1 Min 1 Max I Unit V,., 1 -03 1 65 1 V Voltage on any other pin Power Dissipation (Continuous. at TA = 25C) Lead Soldering Temperature (10 seconds) Storage Temperature Electrostatic Discharge (ESD) Proleclion Level (Note 2) ~~~____~ ~ ____~~~ CDM Recommended Operating Conditions Noles: 1 Derale above 25C at a rate of 3YCN 2 Using Mil Std 883E. method 3015 7(Human Body Model) and EINJESDZZC101-A (Charge Devlce Model) 3 Refer lo the applications section for further delaiis REV 1 0 1 2/4/04 Appendix D Fairchild Specifications for FAN5307 275 Parameter I Conditions I Min. FAN5307 - -~ .~ ~~~~ ~ ~ ~~~ ~~ PRODUCT SPECIFICATION General Electrical Characteristics ViN = 2 5V to 5 5V. loUT = 200mA. EN = VIN, CiN = 4 7pF. Cour = 22pF, Lx = 10pH. TA = -4OC lo +85"C. unless ofhewise noted Typical values are at T, = 25°C Typ. 1 Max. 1 Units Load Regulation 6-Lead 3x3mm MLP Load Regulation Feedback (FB) Voltage I 05 I Reverse Leakage Current into pin SW v = 5 5v VIN = Open. EN = GND. V v,, = 2 5 to 5 5v (6 Lead 3x3mm MLP) omA c louT s 300rnA 4 REV 1 0 1 214104 [...]... with in-stele oplion -Weak pull-up or high impedance ~nputs 8 Fully ~talic CMOS - Low power HALT mode (100nA 0 2 7 V l - Power saving IDLE mode 8 Single supply operation - t 8- 36 V 40 data leten~l~n t 6V data EEPROM min writing voltage 8 1.OOO.OW data changes 8 8 and 14-pr SOIC TSSOP and DIP packages 8 In-circuit proorammino Features 8 8 8 8 8 8 Arilhmetc Contioller Engine 2K bytes on-board code EEPROM... Left Blank 285 286 Appendix E Fairchild Specifications for ACE1502 - October 2002 FA1 RCHILD - ACE1502 Product Family Arithmetic Controller Engine (ACExTM) for Low Power Applications General Description 8 Hardware Bit-Coder (HBCI 8 On Chip o ~ ~ i l l a t o i No external components tp5 instruction cycle time i 1 2% accuracy 8 InSlluctlOn set geared lor block encryption 8 On-chip Power on Reset 8 Programmable... EEPROM and 2K bytes 01 code EEPROM Its on-chip peripherals include a multilUnCtiOn t 6 ~ b i timer, a watchdog/idle timer and piqrammable undert voltage detection circuitry On-chip Clock and reset 1unct~ons reduce the number 01 required external components The ACE1502 product family 1 available i 8- and 14-pin SOIC 5 n TSSOP and DIP packages 8 32 level Low Voltage Detection 8 Brown-out Reset 8 Sonware... SC-74A 11 Appendix D Fairchild Specifications for FAN5307 283 PRODUCT SPECIFICATION FAN5307 Ordering Information VOVT (V) PackageType Order Code 1 .8 Product Number 5-Lead SOT-23 Tape and Reel FAN5307S 18X - FAN5307MP18X 1 .8 6-Lead 3x3mm MLP Tape and Reel Adlustable 5-Lead SOT-23 Tape and Reel FAN5307SX Adlustable FAN5307 6-Lead 3x3mm MLP TaDe and Reel FAN5307MPX DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES... CDRH4D 28- 100 Murata LQH66SN100M OIL 6 8pH Sumida CDRH3D16-6R8 Smallest 1OvH CDRH4D 18- 100 SoiUtlon CR32-100 CR43-100 Murata LQH4C100K04 Table 1: Recommended Inductors REV 1.O 1 214104 9 Appendix D Fairchild Specifications for FAN5307 281 FAN5307 PRODUCT SPECIFICATION ~ ~~ Mechanical Dimensions &Lead 3x3mm MLP Package 10 2x TOPVIEW RECOMMENDED LAND PATTERN O2MIN BOTTOM VIEW NOTES 10 REV 1 0 1 2/4/04 282 ... NCNCC Figure 5 ACE1502 14-pin SOiC, TSSOP and DIP Device Pinout a) Normal Mode Operation b) Programming Mode Operation NC G6 G2 NC NC NCNCC NC NC SFT-OUT 287 288 Appendix E Fairchild Specifications for ACE1502 2 Electrical Characteristics Part Number ACE1502E ACEt502V Operating Voltage ~ t p 1 p y 3 r p Ambient Operating Temperature p -40 ~ c 10 +85 c 40Ct01125C 181 03GV ~~~ ~ ~ p - ~ ~ ~ ~ ~ - p ~ ~ ~~... to the program counter 8 inilialized 10 Ox800 s 3.1.4 Stack Pointer (SP) The ACEx core allows software to access the entire 12 bit X Pointer register using Ihe specla1 X-polnler 1nsIIuctlon5e 9 LD X #000H (See Table 8 I However Software may a150 aCCe:$ lhe register through any 01 the memory mapped 1nsIruct1011s using the XHl IX[11 81 ) and XLO (X(70lJ variableS localed 'JI OxBE andOxBF respectively ISee... service routine "nesting" interrupts in this way should only be done when there IS a dear understanding of latency and of the arbitration mechanism 3.1.5 Status Register (SR) The 8- bil Status register (SR) contains f w r mndlbon m d e indib cators (C H 2 , and N) one interrupt masking bit (GI, and an 3.2 interrupt handling When an inteirupt IS recognized, the current l n ~ t r u ~ f i o n Cornpietes ~ t s... (TI1 that 8 multi5 plexed with the 10 pm G2 By default the TMRl Is lesel to 1 OxFFFF, T I R M 1 R B 8 reset to O x m O and TlCNTRL 8 reset 5 s to 0x00 I ACE1502 Product Familv Rev 1 7 timer5 operation By writing 10 the control bits the user can enable or disable the timer interrupts set the mode of operal~on and start or slop the timer The TICNTRL register bits are described t Table 11 and Table 12... reglster and the count down 5 Write the appropriate control value to the TlCNTRL register to Select PWM mode with T I toggle to Clear the enable bit and pending flag and to start the timer (See Table 1 t and Table 1 2 ) LO TlCNTRL 10BOH Setting the T I C 0 bit s t m s the time, 6 AHer every underflow load T1 RA With alternate vaIu85 It the user WiSheS to generate an interrupt on a T I output trans8 lion . FAN5307 283 Product Number VOVT (V) 1 .8 1 .8 Adlustable Adlustable FAN5307 - PRODUCT SPECIFICATION FAN5307 PackageType Order Code 5-Lead SOT-23 Tape and Reel 6-Lead 3x3mm MLP Tape and. external rc~stor dirider, :I shown bclow CDRH5D 18- 100 Efficiency CDRH4D 28- 100 Murata LQH66SN100M OIL Sumida CDRH3D16-6R8 Smallest CDRH4D 18- 100 SoiUtlon CR32-100 CR43-100 Murata LQH4C100K04. Battery-Powered Pwtahle Devices * Digital Camcms * Low Power LISP Suppile Description The FANS307, s high efficiency low inoisc ynchronous PWM current mode and Pulx Skip (Power

Ngày đăng: 14/08/2014, 09:21

TỪ KHÓA LIÊN QUAN