參數(shù)資料
型號(hào)： L6717
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48
封裝： 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFPN-48
文件頁(yè)數(shù)： 4/56頁(yè)
文件大?。?/td> 1081K
代理商： L6717
Pins description and connection diagrams
L6717
12/56
Doc ID 17326 Rev 1
35
PWRGOOD
VCORE and NB Power Good.
It is an open-drain output set free after SS as long as both the voltage planes are
within specifications. Pull-up to 3.3V (typ) or lower, if not used it can be left floating.
When in PVI mode, it monitors the CORE section only.
36
Embed
ded
d
riv
ers
NB_BOOT
NB section high-side driver supply.
This pin supplies the high-side floating driver. Connect through CBOOT capacitor to the
NB_PHASE pin.
See Section 10 for guidance in designing the capacitor value.
37
NB_UGATE
NB section high-side driver output.
Connect to NB section high-side MOSFET gate. A small series resistor may help in
reducing NB_PHASE pin negative spike as well as cooling the device.
38
NB_PHASE
NB section high-side driver return path.
Connect to the NB section high-side MOSFET source.
This pin is also monitored for the adaptive dead-time management.
39
BOOT2
CORE section, phase 2 high-side driver supply.
This pin supplies the High-Side floating driver. Connect through CBOOT capacitor to
the PHASE2 pin.
See Section 10 for guidance in designing the capacitor value.
40
UGATE2
High-side driver output.
Connect to Phase2 high-side MOSFET gate. A small series resistor may help in
reducing PHASE2 pin negative spike as well as cooling the device.
41
PHASE2
CORE section, phase 2 high-side driver return path. Connect to the Phase2 high-side
MOSFET source.
This pin is also monitored for the adaptive dead-time management.
42
VCCDRV
Supply voltage for low-side embedded drivers.
Operative voltage is flexible from 5V ±5% to 12 ±15%. Filter with 1
μF MLCC to GND.
Do not connect VCC to any voltage greater than VCCDR.
43 to
45
Emb
edd
ed
dr
iv
ers
NB_LGATE,
LGATE2,
LGATE1
Low-side driver output.
Connect directly to the low-side MOSFET gate of the related section. A small series
resistor can be useful to reduce dissipated power especially in high frequency
applications.
46
PHASE1
CORE section, phase 1 high-side driver return path. Connect to the phase1 high-side
MOSFET source.
This pin is also monitored for the adaptive dead-time management.
47
UGATE1
High-side driver output.
Connect to phase1 high-side MOSFET gate. A small series resistor may help in
reducing PHASE1 pin negative spike as well as cooling the device.
48
BOOT1
CORE section, phase 1 high-side driver supply.
This pin supplies the high-side floating driver. Connect through CBOOT capacitor to the
PHASE1 pin.
See Section 10 for guidance in designing the capacitor value.
Thermal
PAD
GND
All internal references, logic, and the Silicon substrate are referenced to this pin.
Connect to the PCB GND ground plane by multiple vias to improve heat dissipation.
Table 2.
Pin description (continued)
Pin#
Name
Function
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6717A 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller Tray 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Trays 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
L6717ATR 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller T/R 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Tape and Reel 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
L6717TR 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 High-Efficienc AM2r2 Hybrid Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6718TR 功能描述:其他電源管理 Multiphase Dual PWM VR12 25MHz LTB RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
L6720 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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