參數(shù)資料
型號(hào)： LTC3675EUFF#TRPBF
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC44
封裝： 4 X 7 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-44
文件頁(yè)數(shù)： 6/36頁(yè)
文件大小： 413K
代理商： LTC3675EUFF#TRPBF
LTC3675
14
3675f
PIN FUNCTIONS
EN1 (Pin 1): Buck Regulator 1 Enable Input. Active
high.
FB1 (Pin 2): Buck Regulator 1 Feedback Pin. Receives feed-
back by a resistor divider connected across the output.
FB2 (Pin 3): Buck Regulator 2 Feedback Pin. Receives
feedback by a resistor divider connected across the output.
Connecting FB2 to VIN combines buck regulator 2 with
buck regulator 1 for higher current.
EN2 (Pin 4): Buck Regulator 2 Enable Input. Active
high.
SW1 (Pin 5): Buck Regulator 1 Switch Node. External
inductor connects to this pin.
VIN (Pin 6): Buck Regulator 1 Input Supply. A 10μF decou-
pling capacitor to GND is recommended. Must be connected
to all other VIN supply pins (Pins 7, 10, 31, 34, 40).
VIN (Pin 7): Buck Regulator 2 Input Supply. A 10μF decou-
pling capacitor to GND is recommended. Must be connected
to all other VIN supply pins (Pins 6, 10, 31, 34, 40).
SW2 (Pin 8): Buck Regulator 2 Switch Node. External
inductor connects to this pin.
SW3 (Pin 9): Buck Regulator 3 Switch Node. External
inductor connects to this pin.
VIN (Pin 10): Buck Regulators 3 and 4 Input Supply. A
10μF decoupling capacitor to GND is recommended.
Must be connected to all other VIN supply pins (Pins 6,
7, 31, 34, 40).
SW4 (Pin 11): Buck Regulator 4 Switch Node. External
inductor connects to this pin.
EN3 (Pin 12): Buck Regulator 3 Enable Input. Active
high.
EN4 (Pin 13): Buck Regulator 4 Enable Input. Active
high.
FB4 (Pin 14): Buck Regulator 4 Feedback Pin. Receives
feedback by a resistor divider connected across the output.
Connecting FB4 to VIN combines buck regulator 4 with
buck regulator 3 for higher current.
FB3 (Pin 15): Buck Regulator 3 Feedback Pin. Receives
feedback by a resistor divider connected across the output.
Connecting FB3 to VIN combines buck regulator 3 with
buck regulator 2 for higher current.
LED_OV (Pin 16): Overvoltage Protection Pin for LED
Driver.
LED1 (Pin 17): Connect a string of up to 10 LEDs to this
pin.
SW7 (Pins 18, 19, 20): LED Driver Switch Node. External
inductor connects to these pins.
LED2 (Pin 21): Connect a string of up to 10 LEDs to this
pin.
CT (Pin 22): Timing Capacitor Pin. A capacitor connected
to GND sets a time constant which is scaled for use by
the WAKE, RSTB and IRQB pins.
RSTB (Pin 23): Reset Pin. Open drain output. When the
regulated output voltage of any enabled switching regula-
tor is more than 6.5% below its programmed level, this
pin is driven LOW. Assertion delay is scaled by the CT
capacitor.
IRQB (Pin 24): Interrupt Pin. Open drain output. When
undervoltage, overtemperature, or an unmasked error
condition is detected, this pin is driven LOW. Assertion
delay is scaled by the CT capacitor.
相關(guān)PDF資料
PDF描述
LTC3727AIG-1#TR 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO28
LTC3727AIG-1#TRPBF 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO28
LTC3727AIG-1#PBF 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO28
LTC3736-2EUF#PBF SWITCHING CONTROLLER, PDSO24
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3676EUJ#PBF 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors
LTC3676EUJ-1#PBF 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors
LTC3676IUJ#PBF 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:IC POWER MANAGEMENT SOLUTION 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors
LTC3676IUJ#TRPBF 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN
LTC3676IUJ-1#PBF 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:IC POWER MANAGEMENT SOLUTION 制造商:Linear Technology 功能描述:IC, POWER MANAGEMENT SOLUTION, QFN-40
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