5秒后页面跳转
MAX848 PDF预览

MAX848

更新时间: 2024-02-10 04:43:03
品牌 Logo 应用领域
美信 - MAXIM 转换器电池
页数 文件大小 规格书
16页 167K
描述
1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters

MAX848 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:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:15 weeks
风险等级:5.29模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:0.7 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:9.9 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.8 A标称输出电压:3.34 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:300 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm

MAX848 数据手册

 浏览型号MAX848的Datasheet PDF文件第2页浏览型号MAX848的Datasheet PDF文件第3页浏览型号MAX848的Datasheet PDF文件第4页浏览型号MAX848的Datasheet PDF文件第5页浏览型号MAX848的Datasheet PDF文件第6页浏览型号MAX848的Datasheet PDF文件第7页 
19-1095; Rev 2; 12/97  
1 -Ce ll t o 3 -Ce ll, Hig h -P o w e r,  
Lo w -No is e , S t e p -Up DC-DC Co n ve rt e rs  
/MAX849  
Ge n e ra l De s c rip t io n  
Fe a t u re s  
The MAX848/MAX849 boost converters set a new stan-  
dard of high efficiency and high integration for noise-  
sensitive power-supply applications, such as portable  
phones and small systems with RF data links. The heart  
of the these devices is a synchronous boost-topology  
regulator that generates a fixed 3.3V output (or 2.7V to  
5.5V adjustable output) from one to three NiCd/NiMH  
cells or one Li-Ion cell.  
Up to 95% Efficiency  
(see Typical Output Selector Guide below)  
3.3V Dual Mode™ or 2.7V to 5.5V Adj. Output  
0.7V to 5.5V Input Range  
0.15mW Standby Mode  
300kHz PWM Mode or Synchronizable  
Two-Channel ADC with Serial Output  
Power-Good Function  
Sync hronous re c tific a tion provid e s a 5% e ffic ie nc y  
improvement over similar nonsynchronous boost regu-  
lators. In standby mode, pulse-skipping PFM operation  
keeps the output voltage alive with only 150µW quies-  
cent power consumption. Fixed-frequency PWM opera-  
tion ensures that the switching noise spectrum is limited  
to the 300kHz fundamental and its harmonics, allowing  
easy post-filtering noise reduction. For even tighter  
noise spectrum control, synchronize to a 200kHz to  
400kHz external clock.  
Ap p lic a t io n s  
PCS Phones  
Digital Cordless Phones  
Cellular Phones  
Hand-Held Instruments  
Personal Communicators  
Palmtop Computers  
Local 3.3V to 5V Supplies  
Battery monitoring is provided by a two-channel, volt-  
age-to-frequency analog-to-digital converter (ADC).  
One channel is intended for a single-cell battery input  
(0.625V to 1.875V range), while the other channel is for  
monitoring higher voltages (0V to 2.5V range).  
Ord e rin g In fo rm a t io n  
Two control inputs are provided for push-on, push-off  
c ontrol via a mome nta ry p us hb utton s witc h. Up on  
power-up, an internal comparator monitors the output  
voltage to generate a power-good output (POK).  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 Narrow SO  
16 Narrow SO  
MAX848ESE  
MAX849ESE  
The d e vic e s d iffe r only in the c urre nt limit of the  
N-c ha nne l MOSFET p owe r s witc h: 0.8A for the  
MAX848, and 1.4A for the MAX849.  
Typ ic a l Op e ra t in g Circ u it  
INPUT  
0.8V TO 5.5V  
Typ ic a l Ou t p u t S e le c t o r Gu id e  
V
(V)  
V
MAX849 I  
(mA)  
MAX848 I  
(mA)  
IN  
T
OU  
OUT  
OUT  
MAX848  
MAX849  
(V)  
3.3  
5
A/D CHANNEL 1 IN  
A/D CHANNEL 2 IN  
A/D CHANNEL SELECT  
A/D OUTPUT  
AIN1  
LX  
OUTPUT  
100  
70  
70  
40  
AIN2  
0.9  
AINSEL  
DATA  
ON1  
OUT  
3.3  
5
300  
200  
750  
500  
800  
600  
1000  
110  
70  
POUT  
1.2  
2.4  
ON/OFF CONTROL  
SYNC INPUT  
3.3  
5
200  
130  
250  
150  
300  
ON2  
POK  
VOLTAGE MONITOR  
OUTPUT  
CLK/SEL  
POKIN  
FB  
3.3  
5
2.7  
3.6  
REF  
GND PGND  
5
Pin Configuration appears at end of data sheet.  
Dual Mode is a trademark of Maxim Integrated Products.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  

与MAX848相关器件

型号 品牌 获取价格 描述 数据表
MAX848C/D MAXIM

获取价格

Switching Regulator, Voltage-mode, 0.5A, 300kHz Switching Freq-Max, CMOS, DIE
MAX848CSE MAXIM

获取价格

Analog IC
MAX848ESE MAXIM

获取价格

1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters
MAX848ESE+ MAXIM

获取价格

暂无描述
MAX848ESE-T MAXIM

获取价格

暂无描述
MAX848-MAX849 MAXIM

获取价格

1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters
MAX848-MAX849升压型DC-DC转换器 ETC

获取价格

MAX849 MAXIM

获取价格

1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters
MAX849 ADI

获取价格

1节至3节电池、大功率、低噪声、升压型DC-DC转换器
MAX849C/D MAXIM

获取价格

Switching Regulator, Voltage-mode, 1A, 300kHz Switching Freq-Max, CMOS, DIE