Motore di ricerca datesheet componenti elettronici |
|
FAN5066 Scheda tecnica(PDF) 2 Page - Fairchild Semiconductor |
|
FAN5066 Scheda tecnica(HTML) 2 Page - Fairchild Semiconductor |
2 / 18 page FAN5066 PRODUCT SPECIFICATION 2 REV. 2.1.4 11/13/01 Pin Assignments Pin Definitions Pin Number Pin Name Pin Function Description 1 CEXT Oscillator Capacitor Connection. Connecting an external capacitor to this pin sets the internal oscillator frequency. Layout of this pin is critical to system performance. See Application Information for details. 2 ENABLE Output Enable. A logic LOW on this pin will disable the output. An internal pull-up resistor allows for either open collector or TTL compatibility. 3 PWRGD Power Good Flag. An open collector output that will be at logic LOW if the output voltage is not within ±12% of the nominal output voltage setpoint. 4 IFB High Side Current Feedback. Pins 4 and 5 are used as the inputs for the current feedback control loop. Layout of these traces is critical to system performance. See Application Information for details. 5 VFB Voltage Feedback. Pin 5 is used as the input for the voltage feedback control loop and as the low side current feedback input. See Application Information for details regarding correct layout. 6 VCCA Analog VCC. Connect to system 5V supply and decouple with a 0.1 µF ceramic capacitor. 7 VCCP Power VCC for low side FET driver. Connect to system 5V supply and place a 1 µF ceramic capacitor for decoupling and local charge storage. 8 VID4 VID4 Input. A logic 1 on this open collector/TTL input will enable the VID3–VID0 inputs to set the output from 2.1V to 3.5V, and a logic 0 will set the output from 1.3V to 2.05V, as shown in Table 1. Pullup resistors are internal to the controller. 9 LODRV Low Side FET Driver. Connect this pin to the gate of an N-channel MOSFET for synchronous operation. The trace from this pin to the MOSFET gate should be < 0.5". 10, 11 GNDP Power Ground. Return pin for high currents flowing in pins 7 and 13 (VCCP and VCCQP). Connect to a low impedance ground. 12 HIDRV High Side FET Driver. Connect this pin to the gate of an N-channel MOSFET. The trace from this pin to the MOSFET gate should be < 0.5". 13 VCCQP Power VCC. For high side FET driver. VCCQP must be connected to a voltage of at least VCCA + VGS,ON (MOSFET), and place a 1 µF ceramic capacitor for decoupling and local charge storage. See Application Information for details 14 GNDD Digital Ground. Return path for digital logic. Connect to a low impedance system ground plane to minimize ground loops. 15 GNDA Analog Ground. Return path for low power analog circuitry. This pin should be connected to a low impedance system ground plane to minimize ground loops. 16 CNTRL Voltage Control. The voltage forced on this pin determines the output voltage of the converter. 17-19 VID1-VID3 Voltage Identification Code Inputs. These open collector/TTL compatible inputs will program the output voltage of the reference over the ranges specified in Table 1. Pull-up resistors are internal to the controller. 20 VREF Reference Voltage Test Point. This pin provides access to the DAC output and should be decoupled to ground using 0.1µF capacitor. 1 2 3 4 5 6 8 7 VREF VID1 VID2 VID3 CNTRL GNDA VCCQP GNDD 20 19 18 17 16 15 13 912 10 11 14 CEXT ENABLE PWRGD IFB FAN5066 VFB VCCA VID4 VCCP GNDP HIDRV GNDP LODRV |
Codice articolo simile - FAN5066 |
|
Descrizione simile - FAN5066 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEETIT.COM |
Lei ha avuto il aiuto da alldatasheet? [ DONATE ] |
Di alldatasheet | Richest di pubblicita | contatti | Privacy Policy | scambio Link | Ricerca produttore All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |