Datasheet > MAX8796GTJ+TGB4

MAX8796GTJ+TGB4

更新时间： 2024-11-12 02:45:19

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
4页	75K
描述
1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers

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MAX8796GTJ+TGB4 数据手册

MAX8796, MAX8797, MAX17401

1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers

1-Phase, Intel IMVP-6/6+ Controllers Ideal for Atom CPU and UMPC Designs

Overview

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Status

Data Sheet

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Part Number

MAX17401

MAX8796

Status

Active: In Production.

MAX8797

Custom Order: Minimum order quantities and other restrictions may apply.

Description

The MAX8796/MAX8797/MAX17401 are 1-phase Quick-PWM™ step-down VID power-supply controllers for Intel

notebook CPUs and graphics. The Quick-PWM control provides instantaneous response to fast load current

steps. Active voltage positioning reduces power dissipation and bulk output capacitance requirements and allows

ideal positioning compensation for tantalum, polymer, or ceramic bulk output capacitors.

The MAX8796/MAX8797/MAX17401 are intended for two different notebook CPU/GPU core applications: either

bucking down the battery directly to create the core voltage, or else bucking down the +5V system supply. The

single-stage conversion method allows this device to directly step down high-voltage batteries for the highest

possible efficiency. Alternatively, 2-stage conversion (stepping down the +5V system supply instead of the

battery) at higher switching frequency provides the minimum possible physical size.

A slew-rate controller allows controlled transitions between VID codes. A thermistor-based temperature sensor

provides programmable thermal protection. A power monitor provides an analog voltage output proportional to the

power consumed by the CPU/GPU.

The MAX8796/MAX17401 implement both the Intel IMVP-6 CPU core specifications, as well as the Intel GMCH

graphics core specifications. The MAX8797 implements the Intel GMCH graphics core specifications. The

MAX8796/MAX17401 are available in a 32-pin TQFN package. The MAX8797 is available in a 28-pin TQFN

package.

Key Features

Applications/Uses

1-Phase Quick-PWM Controllers

2 to 4 Lithium-Ion (Li+) Cell Battery-

to-CPU Core Supply Converters

±0.5% V

Accuracy Over Line, Load, and Temperature

OUT

Graphics Core Power Supply

IMVP-6/IMVP-6+ Core Power Supply

Intel GMCH Crestline/Cantiga

Notebooks/Desktops/Servers

7-Bit IMVP-6 DAC (MAX8796/MAX17401 Only)

5-Bit GMCH DAC

Active Voltage Positioning with Adjustable Gain

Accurate Droop and Current Limit

Remote Output and Ground Sense

Adjustable Output-Voltage Slew Rate

Power-Good Window Comparator

Power Monitor

Voltage-Positioned Step-Down

Converters

Temperature Comparator

Drives Large Synchronous Rectifier FETs

2V to 26V Power Input Range

Adjustable Switching Frequency (600kHz max)

Output Overvoltage Protection (MAX8796/MAX8797 Only)

Undervoltage and Thermal-Fault Protection

Soft-Startup and Soft-Shutdown

Internal Boost Diodes

12 3 4

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与MAX8796GTJ+TGB4相关器件

型号	品牌	获取价格	描述	数据表
MAX8796GTJ+TGC1	MAXIM	获取价格	1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
MAX8797EVKIT+	MAXIM	获取价格	1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
MAX8797GTI+	MAXIM	获取价格	1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
MAX8797GTI+GB4	MAXIM	获取价格	1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
MAX8797GTI+T	MAXIM	获取价格	1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
MAX8797GTI+TGB4	MAXIM	获取价格	1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers
MAX8798	MAXIM	获取价格	Internal-Switch Boost Regulator with Integrated 3-Channel Scan Driver for TFT LCDs
MAX8798AETX+	MAXIM	获取价格	Switching Regulator
MAX8798AETX+CAQ	MAXIM	获取价格	Switching Regulator
MAX8798AETX+T	MAXIM	获取价格	暂无描述

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