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MAX859C/D PDF预览

MAX859C/D

更新时间: 2024-10-01 22:17:43
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
页数 文件大小 规格书
12页 128K
描述
3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters

MAX859C/D 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIE
包装说明:DIE-9针数:9
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
Is 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 FREQUENCY MODULATION
最大输入电压:6 V最小输入电压:0.8 V
标称输入电压:2.5 VJESD-30 代码:R-XUUC-N9
JESD-609代码:e0湿度敏感等级:1
功能数量:1端子数量:9
最高工作温度:70 °C最低工作温度:
最大输出电流:0.125 A标称输出电压:1.25 V
封装主体材料:UNSPECIFIED封装代码:DIE
封装形状:RECTANGULAR封装形式:UNCASED CHIP
峰值回流温度(摄氏度):240认证状态:Not Qualified
最大供电电流 (Isup):0.06 mA表面贴装:YES
切换器配置:BOOST最大切换频率:500 kHz
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN LEAD端子形式:NO LEAD
端子位置:UPPER处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

MAX859C/D 数据手册

 浏览型号MAX859C/D的Datasheet PDF文件第2页浏览型号MAX859C/D的Datasheet PDF文件第3页浏览型号MAX859C/D的Datasheet PDF文件第4页浏览型号MAX859C/D的Datasheet PDF文件第5页浏览型号MAX859C/D的Datasheet PDF文件第6页浏览型号MAX859C/D的Datasheet PDF文件第7页 
19-0211; Rev 4; 5/96  
3 .3 V/5 V o r Ad ju s t a b le -Ou t p u t ,  
S t e p -Up DC-DC Co n ve rt e rs  
6–MAX859  
_______________Ge n e ra l De s c rip t io n  
The MAX856–MAX859 are high-efficiency, CMOS, step-  
up, DC-DC switching regulators for small, low input volt-  
age or battery-powered systems. The MAX856/MAX858  
____________________________Fe a t u re s  
0.8V to 6.0V Input Supply Voltage  
0.8V Typ Start-Up Supply Voltage  
85% Efficiency at 100mA  
accept a positive input voltage between 0.8V and V  
OUT  
25µA Quiescent Current  
and convert it to a higher, pin-selectable output voltage of  
3.3V or 5V. The MAX857/MAX859 adjustable versions  
accept 0.8V to 6.0V input voltages and generate higher  
adjustable output voltages in the 2.7V to 6.0V range.  
Typical efficiencies are greater than 85%. Typical quies-  
cent supply current is 25µA (1µA in shutdown).  
1µA Shutdown Mode  
125mA and 500mA Switch-Current Limits Permit  
Use of Low-Cost Inductors  
Up to 500kHz Switching Frequency  
±1.5% Reference Tolerance Over Temperature  
Low-Battery Detector (LBI/LBO)  
The MAX856–MAX859 combine ultra-low quiescent supply  
current and high efficiency to give maximum battery life. An  
internal MOSFET power transistor permits high switching  
frequencies. This benefit, combined with internally set peak  
inductor current limits, permits the use of small, low-cost  
inductors. The MAX856/MAX857 have a 500mA peak  
inductor current limit. The MAX858/MAX859 have a 125mA  
peak inductor current limit.  
8-Pin SO and µMAX Packages  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-55°C to +125°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-55°C to +125°C  
PIN-PACKAGE  
8 SO  
MAX856CSA  
MAX856CUA  
MAX856C/D  
MAX856ESA  
MAX856MJA  
MAX857CSA  
MAX857CUA  
MAX857C/D  
MAX857ESA  
MAX857MJA  
8 µMAX  
Dice*  
________________________Ap p lic a t io n s  
3.3V to 5V Step-Up Conversion  
Palmtop Computers  
8 SO  
8 CERDIP  
Portable Data-Collection Equipment  
Personal Data Communicators/Computers  
Medical Instrumentation  
8 SO  
8 µMAX  
Dice*  
8 SO  
2-Cell & 3-Cell Battery-Operated Equipment  
Glucose Meters  
8 CERDIP  
Ordering Information continued at end of data sheet.  
* Dice are tested at T = +25°C only.  
A
__________Typ ic a l Op e ra t in g Circ u it  
Contact factory for availability.  
INPUT  
__________________P in Co n fig u ra t io n  
0.8V TO V  
OUT  
TOP VIEW  
OUTPUT  
5V AT 100mA  
OR  
1
2
3
4
8
7
6
5
SHDN  
3/5  
LX  
47µH  
GND  
3.3V AT 125mA  
MAX856  
MAX858  
OUT  
LBI  
REF  
SHDN  
ON/OFF  
LX  
1N5817  
LBO  
68µF  
MAX856  
GND  
SO/µMAX  
3/5  
LBI  
OUT  
3V/5V SELECT  
LOW-BATTERY  
DETECTOR  
INPUT  
1
2
3
4
8
7
6
5
SHDN  
FB  
LX  
GND  
LOW-BATTERY  
DETECTOR OUTPUT  
MAX857  
MAX859  
REF  
LBO  
OUT  
LBI  
REF  
LBO  
SO/µMAX  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  

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