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參數(shù)資料
| 型號： | LTC3127EMSE#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, PDSO12 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-12 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大?。?/td> | 366K |
| 代理商： | LTC3127EMSE#TRPBF |
LTC3127
3127f
pin FuncTions
SW1 (Pin 1): Switch Pin Where Internal Switches A and
B Are Connected. Connect inductor from SW1 to SW2.
Minimize trace length to reduce EMI.
VIN (Pin 2): Input Supply Pin. Internal VCC for the IC. A
10μF or greater ceramic capacitor should be placed as
close to VIN and PGND as possible.
SHDN (Pin 3): Logic-Controlled Shutdown Input.
SHDN = High: Normal Operation
SHDN = Low: Shutdown
MODE (Pin 4): Pulse Width Modulation/Burst Mode
Selection Input.
MODE = High: Burst Mode Operation
MODE = Low: PWM Operation Only. Forced continuous
conduction mode.
PROG (Pin 5): Sets the Average Input Current Limit
Threshold. Connect a resistor from PROG to ground. See
below for component value selection.
RPROG = 54.92 ILIMIT (A) + 4.94 (kΩ)
SGND (Pin 6): Signal Ground for the IC. Terminate the
PROG resistor, compensation components and the output
voltage divider to SGND.
FB(Pin7):FeedbackPin.Connectresistordividertaphere.
The output voltage can be adjusted from 1.8V to 5.25V.
The feedback reference voltage is 1.195V.
V
R
V
OUT =
+
1 195
1
2
1
.
VC (Pin 8): Error Amplifier Output. Place compensation
components from this pin to SGND.
VOUT(Pin9):OutputoftheSynchronousRectifier.Connect
theoutputfiltercapacitorfromthispintoGND.Aminimum
value of 22F is recommended. Output capacitors must
be low ESR.
SW2 (Pin 10): Switch Pin Where Internal Switches C and
D Are Connected. Minimize trace length to reduce EMI.
PGND(ExposedPadPin11):PowerGround.Theexposed
pad must be soldered to the PCB ground plane.
(DD Package)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3129 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3??A Quiescent Current |
| LTC3129-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3??A Quiescent Current |
| LTC3129EMSE#PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down/Step Up 1.92V to 15V 16-Pin MSOP EP 制造商:Linear Technology 功能描述:IC REG BUCK BST ADJ 0.2A 16MSOP 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, ADJ, 1.2MHZ, MSOP-16; Primary Input Voltage:15V; No. of Outputs:1; Output Current:200mA; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:16-MSOP ;RoHS Compliant: Yes |
| LTC3129EMSE#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK BST ADJ 0.2A 16MSOP 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, ADJ, 1.2MHZ, MSOP-16; Primary Input Voltage:15V; No. of Outputs:1; Output Current:200mA; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:16-MSOP ;RoHS Compliant: Yes |
| LTC3129EMSE-1#PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down/Step Up 1.92V to 15V 16-Pin MSOP EP 制造商:Linear Technology 功能描述:IC REG BUCK BST FIXED .2A 16MSOP 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, ADJ, 1.2MHZ, MSOP-16; Primary Input Voltage:15V; No. of Outputs:1; Output Current:200mA; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature Max:125C 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, ADJ, 1.2MHZ, MSOP-16; Primary Input Voltage:15V; No. of Outputs:1; Output Current:200mA; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:16-MSOP ;RoHS Compliant: Yes |
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