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| 型号： | L6717 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFPN-48 |
| 文件页数： | 18/56页 |
| 文件大小： | 1081K |
| 代理商： | L6717 |
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L6717
Hybrid CPU support and CPU_TYPE detection
Doc ID 17326 Rev 1
25/56
5.4.4
HiZ management
L6717 is able to manage HiZ both for internal driver and for external drivers through the
PWMx signals. When the controller needs to set HiZ state for a phase or section, it sets the
corresponding PWMx pin floating and, at the same time, turn OFF both HS and LS
MOSFETs by proper action of the corresponding embedded driver.
5.4.5
Hardware jumper override - V_FIX
VID0/V_FIX pin allows the device to operate in V_FIX mode.
Anytime L6717 is enabled it checks the pin VID0/V_FIX voltage level: pull up VID0/V_FIX to
3.3V to enter V_FIX mode.
When in V_FIX mode, both NB and CORE Section voltages are governed by the information
shown in Table 7.
Regardless of the state of VID1, the device will work in SVI mode and furthermore PWROK
logic level is ignored.
SVC and SVD are considered as static VID and the output voltage changes according to
their status. Dynamic SVC/SVD-change management is provided in this condition.
V_FIX mode is intended for system debug only.
Protection management differs in this case, see Section 8.1 for details.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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:开关变换器、稳压器与控制器 High-Efficienc AM2r2 Hybrid Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L6718TR | 功能描述:其他电源管理 Multiphase Dual PWM VR12 25MHz LTB RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| L6720 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
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