MAX8794ETB

更新时间： 2024-11-21 11:14:31

品牌	Logo	应用领域
美信 - MAXIM		稳压器双倍数据速率
页数	文件大小	规格书
13页	253K
描述
Low-Voltage DDR Linear Regulator

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MAX8794ETB 数据手册

19-0584; Rev 2; 3/10

Low-Voltage DDR Linear Regulator

MAX8794

General Description

Features

The MAX8794 DDR linear regulator sources and sinks up

to 3A peak (typ) using internal n-channel MOSFETs. This

linear regulator delivers an accurate 0.5V to 1.5V output

o Internal Power MOSFETs with Current Limit (3A typ)

o Fast Load-Transient Response

o External Reference Input with Reference

from a low-voltage power input (V = 1.1V to 3.6V). The

MAX8794 uses a separate 3.3V bias supply to power the

control circuitry and drive the internal n-channel MOSFETs.

Output Buffer

o 1.1V to 3.6V Power Input

The MAX8794 provides current and thermal limits to pre-

vent damage to the linear regulator. Additionally, the

MAX8794 generates a power-good (PGOOD) signal to

indicate that the output is in regulation. During startup,

PGOOD remains low until the output is in regulation for 2ms

(typ). The internal soft-start limits the input surge current.

15mV (max) Load-Regulation Error

o Thermal-Fault Protection

o Shutdown Input

o Power-Good Window Comparator with 2ms (typ)

Delay

The MAX8794 powers the active-DDR termination bus

that requires a tracking input reference. The MAX8794

can also be used in low-power chipsets and graphics

processor cores that require dynamically adjustable

output voltages. The MAX8794 is available in a 10-pin,

3mm x 3mm, TDFN package.

o Small, Low-Profile, 10-Pin, 3mm x 3mm TDFN

Package

o Ceramic or Polymer Output Capacitors

Ordering Information

PIN-

PACKAGE

TOP

MARK

PART

TEMP RANGE

Applications

Notebook/Desktop Computers

10 TDFN-EP*

(3mm x 3mm)

MAX8794ETB+

-40°C to +85°C

ASW

DDR Memory Termination

Active Termination Buses

10 TDFN-EP*

(3mm x 3mm)

MAX8794ETB/V+ -40°C to +85°C

Graphics Processor Core Supplies

Chipset/RAM Supplies as Low as 0.5V

+Denotes a lead(Pb)-free/RoHS-compliant package.

/V Denotes an automotive qualified part.

*EP = Exposed pad.

Pin Configuration

Typical Operating Circuit

(1.1V TO 3.6V)

= V

OUT

TOP VIEW

OUTS

REFOUT

BIAS

MAX8794

OUT

(2.7V TO 3.6V)

PGND

AGND

REFIN

PGND

SHDN

OUTS

MAX8794

SHDN

EP*

PGOOD

REFIN

DDQ

TDFN

3mm x 3mm

(2.5V OR 1.8V)

= V

TTR

REFOUT

*EXPOSED PAD.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...13

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与MAX8794ETB相关器件

型号	品牌	获取价格	描述	数据表
MAX8794ETB/V+	MAXIM	获取价格	Adjustable Positive Standard Regulator, 0.5V Min, 1.5V Max, BICMOS, PDSO10, 3 X 3 MM, ROHS
MAX8794ETB/V+T	MAXIM	获取价格	Regulator,
MAX8794ETB+	MAXIM	获取价格	Low-Voltage DDR Linear Regulator
MAX8794ETV+	MAXIM	获取价格	Low-Voltage DDR Linear Regulator
MAX8795A	MAXIM	获取价格	TFT-LCD DC-DC Converter with Operational Amplifiers
MAX8795A	ADI	获取价格	TFT-LCD DC-DC转换器，带有运算放大器
MAX8795A_11	MAXIM	获取价格	TFT-LCD DC-DC Converter with Operational Amplifiers 0.6mA Quiescent Current
MAX8795A_1106	MAXIM	获取价格	TFT-LCD DC-DC Converter with Operational Amplifiers 2.5V to 5.5V Input Supply Range
MAX8795A_12	MAXIM	获取价格	TFT-LCD DC-DC Converter with Operational Amplifiers
MAX8795A+	MAXIM	获取价格	Switching Regulator, Current-mode, 1.6A, 1400kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.8

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