Datasheet > ISL95813

ISL95813

更新时间： 2022-03-19 19:35:02

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器
页数	文件大小	规格书
24页	655K
描述
Single Phase Core Controller for VR12.6

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ISL95813 数据手册

Single Phase Core Controller for VR12.6

ISL95813

Features

The ISL95813 single-phase controller provides a fully compliant

VR12.6 power supply solution for Intel™ microprocessors. It

provides a tightly regulated output voltage that is programmed

through a high speed serial bus interface with the CPU. This

interface also allows the CPU to acquire real-time information from

the voltage regulator (VR), which includes load current and VR

temperature.

• Full VR12.6 specification compliance

• Wide input voltage range: 4.6V to 25V

• R3™ control architecture delivers excellent transient response

and power state mode transitions

• Current monitor (IMON) with temperature compensation

• VRHOT# indicator for CPU protection

Based on Intersil's Robust Ripple Regulator (R3™) technology, the

PWM modulator provides faster transient response and settling

time when compared against traditional modulation schemes. Its

variable frequency topology also allows for natural period stretching

discontinuous conduction mode (DCM) for increased efficiency and

power savings in light load situations.

• Digitally selectable switching frequency:

- 425kHz, 550kHz, 700kHz with ECO and PRO options

• Enhanced light-load efficiency discontinuous conduction mode

operation

• Ultra-small 20 lead 3mmx4mm QFN package

• Enable and power-good monitor

The ISL95813 has several other key features that include: DCR

current sensing with single NTC thermal compensation; discrete

resistor current sensing; differential remote voltage feedback; and

Applications

• Notebook Computers

user-programmable boot voltage, I

slew rate, and switching frequency.

, T

, voltage transition

MAX MAX

• Tablets, Ultrabooks™, and AIO

Related Literature

• AN1846 Designer’s Guide to the ISL95813 Evaluation Board

205kΩ

VIN

{4.6V TO 25V}

113kΩ

VR_ON

BSC052N03LS

2200pF

LOUT

PGOOD

PHASE

VR12.6

CPU

0.15µH

COUT

14x22µF

VTT

499

IMON

ISL95813

20 Ld 3x4 QFN

0.22µF

CERAMIC

BOOT

VRHOT#

BSC011N03LS

VCC

470kΩ (NTC)

27.4kΩ

3.83kΩ

NTC

E-PAD

(GND)

PGRM2

COMP

5.9kΩ

6800pF

124kΩ

1µF

3.65k

2.61kΩ

0.056µF

11kΩ

10kΩ (NTC)

549

82pF

1.82kΩ

FIGURE 1. TYPICAL 40Amax, 12.6, APPLICATION DIAGRAM

May 15, 2013

FN8449.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

R3 Technologies and Intersil (and design) are trademarks owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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