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MAX8775ETJ+T

更新时间： 2024-11-11 13:11:07
品牌 Logo 应用领域
美信 - MAXIM 电脑控制器
页数 文件大小 规格书
30页 1059K
描述
Dual Switching Controller, Current-mode, 3.3A, 600kHz Switching Freq-Max, BICMOS, 5 X 5 MM, LEAD FREE, MO-220WHHD-2, QFN-32

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MAX8775ETJ+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN, LCC32,.2SQ,20针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：21 weeks
风险等级：1.48模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：26 V最小输入电压：4 V
标称输入电压：12 VJESD-30 代码：S-XQCC-N32
JESD-609代码：e3长度：5 mm
湿度敏感等级：1功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：3.3 A
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装等效代码：LCC32,.2SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：600 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
Base Number Matches：1

MAX8775ETJ+T 数据手册

 浏览型号MAX8775ETJ+T的Datasheet PDF文件第2页浏览型号MAX8775ETJ+T的Datasheet PDF文件第3页浏览型号MAX8775ETJ+T的Datasheet PDF文件第4页浏览型号MAX8775ETJ+T的Datasheet PDF文件第5页浏览型号MAX8775ETJ+T的Datasheet PDF文件第6页浏览型号MAX8775ETJ+T的Datasheet PDF文件第7页 
19-0670; Rev 0; 11/06  
Dual and Combinable Graphics Core  
Controller for Notebook Computers  
MAX875  
General Description  
Features  
o Dual-Output, Fixed-Frequency, Current-Mode  
The MAX8775 is a dual, step-down, interleaved, fixed-  
frequency, switch-mode power-supply (SMPS) con-  
troller with synchronous rectification. It is intended for  
GPU cores and I/O power generation in battery-pow-  
ered systems. Flexible configuration allows the  
MAX8775 to operate as two independent single-phase  
regulators, or as one high-current two-phase regulator.  
Control  
o Combinable Output for Higher Currents  
o Dynamic Output Voltages with Automatic Fault  
Blanking and Transition Control  
o True Out-of-Phase Operation  
o True Differential Current Sense for Accurate  
Configured in separate mode, the MAX8775 provides  
power to two dynamic voltage rails, one for the GPU  
core and the other for the I/O power rail. Configured in  
combined mode, the MAX8775 functions as a two-  
phase, high-current, single-output GPU core regulator,  
powering the high-performance GPU engines used in  
gaming machines and media center notebooks.  
Current Limit and Current Balance  
o 4V to 26V Input Range  
o 100kHz to 600kHz Switching Frequency  
o 0.5V to 2.5V Adjustable Outputs  
o Internal Integrator for High Output Accuracy  
o Stable with Low-ESR Output Capacitors  
The REFIN voltage setting allows for multiple dynamic  
output voltages required by the different GPU operating  
and sleep states. Automatic fault blanking, forced-PWM  
operation, and transition control are achieved by  
detecting the voltage change at REFIN. Fixed-frequen-  
cy operation with 180° out-of-phase interleaving mini-  
mizes input ripple current from the lowest input  
voltages up to the 26V maximum input. Current-mode  
control allows the use of low-ESR output capacitors.  
Internal integrators maintain high output accuracy over  
the full line-and-load range, in both forced-PWM mode  
and pulse-skipping mode. True differential current  
sensing provides accurate output current limit and cur-  
rent balance when operated in combined mode.  
Independent on/off and skip control allows flexible  
power sequencing and power management. Voltage-  
controlled soft-start reduces inrush current. Soft-stop  
gradually ramps the output voltage down, preventing  
negative voltage dips.  
o Independent Selectable PWM and Skip-Mode  
Operation  
o Independent Power-Good Outputs  
o Soft-Start and Soft-Stop  
o 2.5V Precision Reference  
o < 1µA Typical Shutdown Current  
Ordering Information  
PIN-  
PACKAGE  
PKG  
CODE  
PART  
TEMP RANGE  
32 Thin QFN  
5mm x 5mm  
MAX8775ETJ+ -40°C to +85°C  
+Denotes lead-free package.  
T3255-5  
Pin Configuration  
TOP VIEW  
Applications  
24 23 22 21 20 19 18 17  
2 to 4 Li+ Cells Battery-Powered Devices  
Media Center and Gaming Notebooks  
GPU and I/O Power Supplies  
16  
15  
DH1 25  
ON1 26  
DH2  
ON2  
14 CSL2  
27  
28  
29  
30  
CSL1  
CSH1  
Tracking Output Power Supplies  
CSH2  
SKIP2  
13  
12  
MAX8775  
SKIP1  
11 PGOOD2  
10 CCI2  
PGOOD1  
DTRANS 31  
32  
9
SLEW2  
SLEW1  
1
2
3
4
5
6
7
8
THIN QFN  
5mm x 5mm  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...30

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