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| 型号： | MAX8506ETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV PWM 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，WCDMA |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 0.4 V ~ 3.4 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
19-2918; Rev 1; 1/04
PWM Step-Down DC-DC Converters with 75m ?
Bypass FET for WCDMA and cdmaOne Handsets
General Description
The MAX8506/MAX8507/MAX8508 integrate a PWM step-
down DC-DC regulator and a 75m ? (typ) bypass FET to
power the PA in WCDMA and cdmaOne? cell phones.
The supply voltage range is from 2.6V to 5.5V, and the
guaranteed output current is 600mA. One megahertz
PWM switching allows for small external components.
The MAX8506 and MAX8507 are dynamically controlled
to provide varying output voltages from 0.4V to 3.4V. The
MAX8508 is externally programmed for fixed 0.75V to
3.4V output. Digital logic enables a high-power (HP)
bypass mode that connects the output directly to the bat-
tery for all versions. The MAX8506/MAX8507/MAX8508
are designed so the output settles in less than 30μs for a
full-scale change in output voltage and load current.
The MAX8506/MAX8507/MAX8508 are offered in 16-pin
4mm x 4mm thin QFN packages (0.8mm max height).
Applications
Features
? Integrated 75m ? (typ) Bypass FET
? 38mV Dropout at 600mA Load
? Up to 94% Efficiency
? Dynamically Adjustable Output from 0.4V to 3.4V
(MAX8506, MAX8507)
? Externally Fixed Output from 0.75V to 3.4V
(MAX8508)
? 1MHz Fixed-Frequency PWM Switching
? 600mA Guaranteed Output Current
? Shutdown Mode 0.1μA (typ)
? 16-Pin Thin QFN (4mm x 4mm, 0.8mm max Height)
Ordering Information
WCDMA/NCDMA Cell Phones
Wireless PDAs, Palmtops, and Notebook
Computers
Wireless Modems
PART
MAX8506 ETE
MAX8507 ETE
MAX8508 ETE
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 Thin QFN
16 Thin QFN
16 Thin QFN
cdmaOne is a trademark of CDMA Development Group.
Pin Configurations appear at end of data sheet.
Typical Application Circuits (MAX8506/MAX8507)
INPUT
2.6V TO 5.5V
2.2 μ F
4.7 μ H
OUTPUT
0.4V TO 3.4V OR V BATT
4.7 μ F
SKIP
MAX8506
MAX8507
BATTP
LX
BATT
0.075 ?
OUT
SHDN
0.22 μ F
REF
REF
PWM
0.4 ?
CURRENT-
LIMIT
CONTROL
HP
1MHz
OSC
0.3 ?
REFIN
DAC
COMP
PGND
GND
R C *
C f *
* R C (k ? ) C C (pF)
C f (pF)
MAX8506
10
1500
100
C C *
MAX8507
15
1000
100
Typical Application Circuits continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8506EVKIT | 功能描述:电源管理IC开发工具 MAX8506/7/8 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX8507ETE | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX8507ETE+ | 功能描述:直流/直流开关转换器 DC/DC Converter DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX8507ETE+T | 功能描述:直流/直流开关转换器 DC/DC Converter DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX8507ETE-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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