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MAX8502ETC

更新时间： 2024-11-17 22:55:11
品牌 Logo 应用领域
美信 - MAXIM 转换器稳压器开关式稳压器或控制器电源电路开关式控制器信息通信管理手机
页数 文件大小 规格书
14页 298K
描述
PWM Buck Converters with Bypass FET for N-CDMA/W-CDMA Handsets

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中文翻译

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MAX8502ETC 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFN包装说明：4 X 4 MM, 0.80 MM HEIGHT, THIN, QFN-12
针数：12Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：2.6 V标称输入电压：3.6 V
JESD-30 代码：S-CQCC-N12JESD-609代码：e0
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：12
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：2.25 A封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：HVQCCN封装等效代码：LCC12,.16SQ,32
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）：245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：1000 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：NO LEAD端子节距：0.8 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

MAX8502ETC 数据手册

 浏览型号MAX8502ETC的Datasheet PDF文件第2页浏览型号MAX8502ETC的Datasheet PDF文件第3页浏览型号MAX8502ETC的Datasheet PDF文件第4页浏览型号MAX8502ETC的Datasheet PDF文件第5页浏览型号MAX8502ETC的Datasheet PDF文件第6页浏览型号MAX8502ETC的Datasheet PDF文件第7页 
19-2641; Rev 0; 10/02  
P WM Bu c k Co n ve rt e rs w it h Byp a s s FET  
fo r N-CDMA/W-CDMA Ha n d s e t s  
Ge n e ra l De s c rip t io n  
Fe a t u re s  
The MAX8500–MAX8504 PWM DC-to-DC buck converters  
are optimized with integrated bypass FET (0.25Ω typ)  
to provide power to the PA in N-CDMA and W-CDMA  
cell phones. The devices have a low on-resistance FET  
to bypass the external inductor for low dropout of only  
150mV at 600mA load, regardless of inductor series  
resistance. The supply voltage range is from 2.6V to  
5.5V and the guaranteed converter output current is  
600mA. The 1MHz PWM switching frequency allows for  
small external components.  
♦ Integrated Bypass PFET  
♦ 150mV Dropout at 600mA Load (Regardless of  
External Inductor)  
♦ Dynamically Adjustable Output from 0.4V to  
V
BATT  
♦ Externally Fixed Output from 1.25V to 2.5V with  
Digitally Controlled High-Power Bypass Mode  
(MAX8504)  
The MAX8500–MAX8503 are dynamically controlled to  
♦ 1MHz Fixed-Frequency PWM Switching  
♦ 600mA Guaranteed Output Current  
♦ 10% to 100% Duty-Cycle Operation  
provide varying output voltages from 0.4V to V  
.
BATT  
The LDO regulation point is slightly lower than the PWM  
converter such that the transition into and out of dropout  
is smooth, regardless of the inductor resistance. The  
MAX8504 is programmed for fixed 1.25V to 2.5V output  
with external resistors. It features a high-power bypass  
mode that connects the output directly to the battery. All  
devices are designed to achieve an output settling time  
of less than 30µs for a full-scale change in output volt-  
age and load current.  
♦ Low Quiescent Current  
280µA (typ) in Normal Mode  
3.3mA (typ) in PWM Mode  
0.1µA (typ) in Shutdown Mode  
♦ 12-Pin Thin QFN (4mm x 4mm, 0.8mm max Height)  
The MAX8500–MAX8504 are available in a 12-lead  
4mm x 4mm thin QFN package (0.8mm max height).  
Ord e rin g In fo rm a t io n  
PIN-  
PACKAGE  
TOP  
MARK  
Ap p lic a t io n s  
PART  
TEMP RANGE  
N-CDMA/W-CDMA Cellular Phones  
Wireless PDAs and Modems  
MAX8500ETC  
MAX8501ETC*  
MAX8502ETC*  
MAX8503ETC  
MAX8504ETC  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
12 Thin QFN  
12 Thin QFN  
12 Thin QFN  
12 Thin QFN  
12 Thin QFN  
AABQ  
—
—
AABU  
AABS  
Typ ic a l Op e ra t in g Circ u it  
*Future product—contact factory for availability.  
4.7µH  
INPUT 2.6V TO 5.5V  
OUTPUT 0.4V TO V  
BATT  
P in Co n fig u ra t io n  
10µF  
4.7µF  
BATT  
LX  
OUT  
SHDN SKIP  
OUT  
10  
SKIP  
SHDN  
REF  
12  
11  
LDO  
REFIN  
PWM  
DAC  
1MHz  
OSC  
GND  
REF  
1
2
3
9
8
7
BATT  
BATTP  
LX  
MAX8500–  
MAX8504  
g
m
REFIN  
(FB)  
MAX8500-  
MAX8503  
PGND  
GND  
COMP  
4
5
6
COMP BATT PGND  
(HP)  
R
8.2kΩ  
C
C
C
Thin QFN 4mm x 4mm  
1000pF  
( ) MAX8504 ONLY  
________________________________________________________________ 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...14

中文翻译

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与MAX8502ETC相关器件

型号 品牌 获取价格 描述 数据表
MAX8502ETC+ MAXIM

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 		Switching Regulator, Current-mode, 2.25A, 1000kHz Switching Freq-Max, BICMOS, CQCC12, 4 X
MAX8502ETC-T MAXIM

获取价格

 		Switching Regulator, Current-mode, 2.25A, 1000kHz Switching Freq-Max, BICMOS, CQCC12, 4 X
MAX8503 MAXIM

获取价格

 		PWM Buck Converters with Bypass FET for N-CDMA/W-CDMA Handsets
MAX8503ETC MAXIM

获取价格

 		PWM Buck Converters with Bypass FET for N-CDMA/W-CDMA Handsets
MAX8503ETC+ MAXIM

获取价格

 		Switching Regulator, Current-mode, 2.25A, 1000kHz Switching Freq-Max, BICMOS, CQCC12, 4 X
MAX8503ETC-T MAXIM

获取价格

 		Switching Regulator, Current-mode, 2.25A, 1000kHz Switching Freq-Max, BICMOS, CQCC12, 4 X
MAX8504 MAXIM

获取价格

 		PWM Buck Converters with Bypass FET for N-CDMA/W-CDMA Handsets
MAX8504ETC MAXIM

获取价格

 		PWM Buck Converters with Bypass FET for N-CDMA/W-CDMA Handsets
MAX8504ETC+ MAXIM

获取价格

 		Switching Regulator, Current-mode, 2.25A, 1000kHz Switching Freq-Max, BICMOS, CQCC12, 4 X
MAX8504ETC-T MAXIM

获取价格

 		Switching Regulator, Current-mode, 2.25A, 1000kHz Switching Freq-Max, BICMOS, CQCC12, 4 X

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