Datasheet > MAX20796

MAX20796

更新时间： 2024-09-27 02:52:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
33页	990K
描述
Dual-Phase Scalable Integrated Voltage Regulator with PMBus Interface

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MAX20796 数据手册

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MAX20796

Dual-Phase Scalable Integrated Voltage

Regulator with PMBus Interface

General Description

Beneﬁts and Features

● Peak Efficiency 92%; Full-Load Efficiency 90% at

The MAX20796 offers a fully integrated, highly efficient,

two-phase switching regulator for applications operating

from 4.5V to 16V and requiring up to 60A maximum load

or 90A with an optional third-phase external power stage.

The output voltage range can be configured from 0.5V to

5.5V with some restrictions on duty cycle. The switching

regulator uses a fixed-frequency control scheme providing

an extremely compact, fast, and accurate power delivery

solution for server and telecom applications. Integrated

linear regulators allow single-supply operation. To further

improve system efficiency and thermal performance, an

external 3.3V supply or FET can be used to generate the

core supply.

= 12V, V

= 1V

OUT

● Operating Input Voltage Range 4.5V to 16V

● Output Voltage Range is 0.5V to 5.5V

● Output Boot Voltage Pin-Strapped Range 0.5V to

5.0V with Direct Feedback

● Integrated Loop Compensation

● Supports Coupled and Discrete Inductors

● PMBus Revision 1.3 Compliant Interface

● Supports External Power Stage to Increase Power

Capacity

Key system parameters are configured by external resis-

tors, including the selection of soft-start timing, output

voltage, switching frequency, PMBus address, over-

current trip point, and loop control parameters. The

device operates with either coupled or discrete inductors.

Coupled inductor technology offers high performance

with a minimum number of input and output capacitors for

best-in-class solution cost.

● Internal Linear Regulators Allow Operation from One

Supply Voltage

● Optional External LDO FET for Enhanced Thermal

Performance

● DC Setpoint Accuracy ±1% over T (-40°C to 125°C)

● Pin-Strapped Configurable Operating Parameters:

• 32 PMBus Addresses

• Output Voltage

• Switching Frequency

• Overcurrent Protection (OCP) Threshold

• Soft-Start Time

• Loop Compensation

The MAX20796 includes fault protection and reporting

capabilities. Inherent positive and negative overcurrent

and overtemperature protection ensure a rugged design.

Input undervoltage lockout shuts down the device when

the input voltage is out of specification. Regulation is

halted if the output voltage is outside of a programmable

range. A PGOOD pin provides an output signal to show

that the output voltage is within range and the system is

regulating.

● Continuous Conduction Mode Operation Only

● Integrated Accurate Current and Temperature Sensing

● Monotonic Startup and Shutdown, Supports Prebias

Startup (Two-Phase)

The MAX20796 is offered in a 35-pin, 4 × 10.5mm

FC2QFN package, ideal for use in networking and com-

munication end equipment.

● Fast Peak and Average Overcurrent Protection

●

RESTORE Input Pin Resets Output Voltage

● Operating Junction Temperature Range: -40°C

Applications

to 125°C

● Point-of-Load Voltage Regulators

● Communication, Networking, Servers and Storage

Equipment

● Package: 35-pin, 4 ×10.5mm, 0.5mm pitch, FC2QFN

● Microprocessor Chipsets

● Memory VDDQ

● I/O and Auxiliary Power

Ordering Information appears at end of data sheet.

PMBus is a trademark of SMIF, Inc.

19-100376; Rev 2; 3/19

12 3 4 5 6 7...33

中文翻译

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与MAX20796相关器件

型号	品牌	获取价格	描述	数据表
MAX20796GFB+	MAXIM	获取价格	Dual-Phase Scalable Integrated Voltage Regulator with PMBus Interface
MAX20796GFB+T	MAXIM	获取价格	Dual-Phase Scalable Integrated Voltage Regulator with PMBus Interface
MAX2079CXE+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PBGA144, 10 X 10 MM, ROHS COMPLIANT, CTBGA-144
MAX2079CXE+T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PBGA144, 10 X 10 MM, ROHS COMPLIANT, CTBGA-144
MAX207CAG	MAXIM	获取价格	+5V RS-232 Transceivers with 0.1uF External Capacitors
MAX207CAG+T	MAXIM	获取价格	Line Driver, 3 Func, 5 Driver, 3 Rcvr, CMOS, PDSO24, SSOP-24
MAX207CAG-T	MAXIM	获取价格	暂无描述
MAX207CDB	TI	获取价格	5-V MUL TICHANNEL RS-232 LINE DRIVER / RECEIVER WITH +-15-KV ESD PROTECTION
MAX207CDBE4	TI	获取价格	5-V MUL TICHANNEL RS-232 LINE DRIVER/RECEIVER WITH +-15-KV ESD PROTECTION
MAX207CDBG4	TI	获取价格	TRIPLE LINE TRANSCEIVER, PDSO24, GREEN, PLASTIC, SSOP-24

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