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參數(shù)資料
| 型號： | LTC3541EDD-3 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.25 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, PLASTIC, M0-229WEED-2, DFN-10 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大?。?/td> | 379K |
| 代理商： | LTC3541EDD-3 |
LTC3541-3
35413fc
PI FU CTIO S
U
VIN (Pin 1):MainSupplyPin.Thispinmustbeclosely
decoupledtoGNDwitha10Forgreatercapacitor.
ENBUCK (Pin 2):BuckEnablePin.Thispinenablesthe
buckregulatorwhendriventoalogichigh.
VOUT(Pin3):BuckRegulatorOutputPin.Thispinreceives
thebuckregulator’soutputvoltage.
NC(Pin4):NotConnected.Thispinmustnotbeconnected
orcapacitivelyloaded.
LVOUT (Pin 5):VLDO/LinearRegulatorOutputPin.This
pinprovidestheregulatedoutputvoltagefromtheVLDO
orlinearregulator.
LVIN (Pin 6):VLDO/LinearRegulatorInputSupplyPin.
ThispinprovidestheinputsupplyvoltagefortheVLDO
powerFET.
GND (Pin 7):AnalogGroundPin.
MODE (Pin 8):BuckModeSelectionPin.Thispinenables
buckPulse-Skipoperationwhendriventoalogichigh
andenablesbuckBurstModeoperationwhendrivento
alogiclow.
ENVLDO (Pin 9): VLDO/Linear Regulator Enable Pin.
Whendriventoalogichigh,thispinenablesthelinear
regulatorwhentheENBUCKpinisdriventoalogiclow,
andenablestheVLDOregulatorwhentheENBUCKpinis
driventoalogichigh.
SW (Pin 10): Switch Node Pin. This pin connects the
internalmainandsynchronouspowerMOSFETswitches
totheexternalinductorforthebuckregulator.
Exposed Pad (Pin 11): Ground Pin. This pin must be
solderedtothePCBtoprovidebothelectricalcontactto
groundandgoodthermalcontacttothePCB.
Note:Table1detailsthetruthtableforthecontrolpins
oftheLTC3541-3.
Table 1. LTC3541-3 Control Truth Table
PIN NAME
OPERATIONAL DESCRIPTION
ENBUCK ENVLDO MODE
0
X
LTC3541-3PoweredDown
0
1
X
BuckPoweredDown,VLDOPowered
Down,LinearRegulatorEnabled
1
0
BuckEnabled,VLDOPoweredDown,
LinearRegulatorPoweredDown,
BurstModeOperation
1
0
1
BuckEnabled,VLDOPoweredDown,
LinearRegulatorPoweredDown,
Pulse-SkipMode
1
0
BuckEnabled,VLDOEnabled,Linear
RegulatorPoweredDown,BurstMode
Operation
1
BuckEnabled,VLDOEnabled,Linear
RegulatorPoweredDown,Pulse-Skip
Mode
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC3541EDD-3#TR | 1.25 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO10 |
| LTC3542EDC | 0.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3542ES6 | 0.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3543EDCB#PBF | 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3543EDCB#TRM | 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3541EDD-3#PBF | 功能描述:IC REG DL BCK/LINEAR SYNC 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設(shè)備封裝:* 包裝:* |
| LTC3541EDD-3#TRPBF | 功能描述:IC REG DL BCK/LINEAR SYNC 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設(shè)備封裝:* 包裝:* |
| LTC3542 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA, 2.25MHz Synchronous Step-Down DC/DC Converter |
| LTC3542-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA, 2.25MHz 2.8V Output Synchronous Step-Down DC/DC Converter |
| LTC3542EDC#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER BUCK 2.25MHZ 制造商:Linear Technology 功能描述:DC-DC CONVERTER, BUCK, 2.25MHZ, 500mA, DFN-6; Primary Input Voltage:5.5V; No. of Outputs:1; Output Current:500mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:85C; Package / Case:6-DFN ;RoHS Compliant: Yes |
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