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參數資料
| 型號： | L6716 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, QCC48 |
| 封裝： | 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFP-48 |
| 文件頁數： | 1/57頁 |
| 文件大?。?/td> | 829K |
| 代理商： | L6716 |
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January 2010
Doc ID 14521 Rev 3
1/57
57
L6716
2/3/4 phase controller with embedded drivers for Intel VR11.1
Features
■ Load transient boost LTB Technology to
minimize the number of output capacitors
■ 2 or 3-phase operation with internal driver
■ 4-phase operation with external PWM driver
signal
■ PSI input with programmable strategy
■ Imon output
■ 0.5% output voltage accuracy
■ 8-bit programmable output up to 1.60000 V -
Intel VR11.1 DAC - backward compatible with
VR10/VR11
■ Full differential current sense across inductor
■ Differential remote voltage sensing
■ Adjustable voltage offset
■ LSLess startup to manage pre-biased output
■ Feedback disconnection protection
■ Preliminary overvoltage protection
■ Programmable overcurrent protection
■ Programmable overvoltage protection
■ Adjustable switching frequency
■ SS_END and OUTEN signal
■ VFQFPN-48 7x7 mm package with exposed
pad
Applications
■ High current VRM/VRD for desktop / server /
workstation CPUs
■ High density DC/DC converters
Description
The device implements a two-to-four phases step-
down controller with three integrated high current
drivers in a compact 7x7 mm body package with
exposed pad.
Load transient boost LTB Technology reduces
system cost by providing the fastest response to
load transition therefore requiring less bulk and
ceramic output capacitors to satisfy load transient
requirements.
The device embeds VR11.x DACs: the output
voltage ranges up to 1.60000 V managing D-VID
with ±0.5% output voltage accuracy over line and
temperature variations.
The controller assures fast protection against load
overcurrent and under / overvoltage (in this last
case also before UVLO). Feedback disconnection
prevents from damaging the load in case of
disconnections in the system board.
In case of overcurrent, the system works in
constant current mode until UVP.
VFQFPN-48 - 7 x 7 mm
Table 1.
Device summary
Order codes
Package
Packing
L6716
VFQFPN-48
Tray
L6716TR
Tape and reel
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L6716TR | 功能描述:開關變換器、穩(wěn)壓器與控制器 2/3/4 phase CNTRL Embedded Drivers 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6717 | 制造商:STMicroelectronics 功能描述:High-Efficiency Hybrid AM2r2 Controller 48-Pin VFQFPN 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 |
| 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:開關變換器、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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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