參數(shù)資料
型號: L6732TR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, HTSSOP-16
文件頁數(shù): 20/37頁
文件大?。?/td> 898K
代理商: L6732TR
L6732
L6732 demonstration board
27/37
7
L6732 demonstration board
7.1
20 A board description and PCB layout
L6732 20 A demonstration board realizes in a four layer PCB a step-down DC/DC converter
and shows the operation of the device in a general purpose application. The input voltage
can range from 4.5 V to 14 V and the output voltage is at 3.3 V. The module can deliver an
output current in excess of 20 A. The switching frequency is set at 250 kHz (controller free-
running Fsw) but it can be set to 500 kHz acting on the EAREF pin.
Figure 20.
Demonstration board schematic
L1
Q1-3
Q4-6
D3
9
U1
L6732
VIN
VOUT
12
OCH
C11
GOUT
R9
C9
13
14
10
11
HGATE
PHASE
LGATE
PGND
7
VCC
16
VCC
6
SS
C4
BOOT
D1
15
VCCDR
C10
5
VFB
COMP
R3
R1
C1
R2
C2
C3
R4
R7
8
EAREF
C7
R8
4
3
GND
GIN
OCL
R10
R11
C12-C13
C16-C19
C5
R6
R5
C8
J1
R12
C15
EXT REF
J2
PGOOD
SYNCH
1
2
SYNCH
VCCDR
PGOOD
R13
相關(guān)PDF資料
PDF描述
L6788ATR 3-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
L6788A 3-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
L6910A 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
L6910GTR 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
L6917BD SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6733 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Advanced modular synchronous PWM controller
L6733TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Advanced modular synchronous PWM controller
L6738 功能描述:電流型 PWM 控制器 Single-Phase SD Cont 5V to 12V bus 1.5V RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
L6738A 功能描述:電流型 PWM 控制器 Single-phase PWM Light Load EFF RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
L6738ATR 功能描述:電流型 PWM 控制器 Single Phase PWM CNTRL Light-Load EFF RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14