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參數(shù)資料
| 型號(hào)： | L6918D |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER |
| 中文描述： | 5位可編程多相控制器 |
| 文件頁數(shù)： | 29/35頁 |
| 文件大?。?/td> | 760K |
| 代理商： | L6918D |
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L6918 L6918A
Figure 20. Power supply configuration
Two main configurations can be distinguished: Single Supply (V
CC
= V
IN
= 12V) and Double Supply (V
CC
= 12V
V
IN
= 5V or different).
– Single Supply: In this case JP6 has to be completely shorted. The device is supplied with the same rail
that is used for the conversion. With an additional zener diode DZ1 a lower voltage can be derived to
supply the mosfets driver if Logic level mosfet are used. In this case JP1 must be left open so that the
HS driver is supplied with V
IN
-V
DZ1
through BOOTx and JP2 must be shorted to the left to use V
IN
or to
the right to use V
IN
-V
DZ1
to supply the LS driver through VCCDR pin. Otherwise, JP1 must be shorted
and JP2 can be freely shorted in one of the two positions.
– Double Supply: In this case V
CC
supply directly the controller (12V) while VIN supplies the HS drains
for the power conversion. This last one can start indifferently from the 5V bus (Typ.) or from other buses
allowing maximum flexibility in the power conversion. Supply for the mosfet driver can be programmed
through the jumpers JP1, JP2 and JP6 as previously illustrated. JP6 selects now V
CC
or V
IN
depending
on the requirements.
Some examples are reported in the following Figures 21 and 22.
Figure 21. Jumpers configuration: Double Supply
Vin
GNDin
DZ1
JP1
JP2
Vcc
GNDcc
JP6
To Vcc pin
To HS Drains (Power Input)
To BOOTx (HS Driver Supply)
To VCCDR pin (LS Driver Supply)
Vin = 5V
GNDin
DZ1
JP2
JP1
Vcc = 12V
GNDcc
JP6
Vcc = 12V
HS Drains = 5V
HS Supply = 5V
VCCDR (LS Supply) = 5V
Vin = 5V
GNDin
DZ1
JP2
JP1
Vcc = 12V
GNDcc
JP6
Vcc = 12V
HS Drains = 5V
HS Supply = 12V
VCCDR (LS Supply) = 12V
(a) V
CC
= 12V; V
BOOTx
= VCCDR = V
IN
= 5V
(b) V
CC
= V
BOOTx
= VCCDR = 12V; V
IN
= 5V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6918DTR | 功能描述:DC/DC 開關(guān)控制器 Prog Multi-Phase Cnt RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| L6919 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT |
| L6919C | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT |
| L6919CD | 功能描述:DC/DC 開關(guān)控制器 Prog Dual-Phase Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| L6919CDTR | 功能描述:DC/DC 開關(guān)控制器 Prog Dual-Phase Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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