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參數(shù)資料
| 型號： | L6917BD |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | SO-28 |
| 文件頁數(shù)： | 15/33頁 |
| 文件大?。?/td> | 631K |
| 代理商： | L6917BD |
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L6917B
22/33
Figure 16. Demo Board Schematic
Several jumpers allow setting different configurations for the device: JP3, JP4 and JP5 allow configuring the
remote buffer as desired. Simply shorting JP4 and JP5 the remote buffer is enabled and it senses the output
voltage on-board; to implement a real remote sense, leave these jumpers open and connect the FBG and FBR
connectors on the demo board to the remote load. To avoid using the remote buffer, simply short all the jumpers
JP3, JP4 and JP5. Local sense through the R7 is used for the regulation.
The input can be configured in different ways using the jumpers JP1, JP2 and JP6; these jumpers control also
the mosfet driver supply voltage. Anyway, power conversion starts from VIN and the device is supplied from
VCC (See Figure 17).
Figure 17. Power supply configuration
Two main configurations can be distinguished: Single Supply (VCC = VIN = 12V) and Double Supply (VCC = 12V
VIN = 5V or different).
PGOOD
PGND
PGNDS2
ISEN2
LGATE2
VSEN
FB
PHASE2
UGATE2
BOOT2
VCC
COMP
SGND
OSC / INH
VID0
VID1
VID2
VID3
VID4
PGNDS1
ISEN1
LGATE1
PHASE1
UGATE1
BOOT1
VCCDR
6
24
25
26
27
16
15
2
5
4
3
1
13
14
22
21
20
18
19
7
28
23
10
9
8
11
12
FBR
FBG
17
C1
R7
R8
C2
R4
R3
Q3
Q4
C3
L2
C7
R10
D3
C6
C11..C13
C14,
C23
R1
JP3
R2
S1
S0
S3
S2
S4
R5
R6
Q1
L1
Q2
C4
D4
C5
Vin
GNDin
GNDCORE
VoutCORE
PGOOD
FBG
FBR
U1
L6917B
DZ1
C8
JP2
JP1
R13
R15
R12
R14
C9,C10
R9
R18
D1
R17
R16
Q1a
Q3a
D2
R19
R20
JP5
JP4
Vcc
GNDcc
JP6
Vin
GNDin
DZ1
JP2
JP1
Vcc
GNDcc
JP6
To Vcc pin
To HS Drains (Power Input)
To BOOTx (HS Driver Supply)
To VCCDR pin (LS Driver Supply)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6917BDTR | SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28 |
| L6917D | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28 |
| L6918ADTR | SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO28 |
| L6918AD | SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO28 |
| L6919CD | SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6917BDTR | 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 |
| L6917D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| L6917DTR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| L6918 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER |
| L6918A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER |
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