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MAX1620EEE PDF预览

MAX1620EEE

更新时间: 2024-11-25 22:36:51
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
20页 254K
描述
Digitally Adjustable LCD Bias Supplies

MAX1620EEE 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:SOIC
包装说明:0.150 INCH, 0.025 INCH PITCH, QSOP-16针数:16
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
最大输入电压:5.5 V最小输入电压:3 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:4.89 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:0.00004 A
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):245
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:SINGLE最大切换频率:200 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.635 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
Base Number Matches:1

MAX1620EEE 数据手册

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19-1214; Rev 1; 1/98  
Dig it a lly Ad ju s t a b le LCD Bia s S u p p lie s  
0/MAX621  
Ge n e ra l De s c rip t io n  
Fe a t u re s  
The MAX1620/MAX1621 convert a 1.8V to 20V battery  
voltage to a positive or negative LCD backplane bias  
voltage. Backplane bias voltage can be automatically  
disabled when the display logic voltage is removed,  
protecting the display. These devices use very little PC  
board area, come in ultra-small QSOP packages, and  
require only small, low-profile external components.  
1.8V to 20V Battery Input Voltage  
Automatic Disable when Display Logic  
is Shut Down  
Extremely Small QSOP Package  
32-Level Internal DAC  
Output voltage can be set to a desired positive or nega-  
tive voltage range with external resistors, and adjusted  
over that range with the on-board digital-to-analog con-  
verter (DAC) or with a potentiometer. The MAX1620/  
MAX1621 include a 5-bit DAC, allowing digital software  
control of the bias voltage. The MAX1620 uses up/down  
digital signaling to adjust the DAC, and the MAX1621  
uses the System Management Bus (SMBus) 2-wire  
serial interface.  
SMBus Serial Interface (MAX1621)  
Positive or Negative Output Voltage  
Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 QSOP  
These devices use a low-cost, external, N-channel MOSFET  
power switch or NPN transistor, and can be configured  
for positive or negative output voltages. Operating cur-  
rent is a low 150µA, typically provided from a displays  
logic supply of 3.0V to 5.5V. The MAX1620/MAX1621 are  
available in a 16-pin QSOP package.  
MAX1620EEE  
MAX1621EEE  
16 QSOP  
Ap p lic a t io n s  
Notebook Computers  
Palmtop Computers  
Typ ic a l Op e ra t in g Circ u it  
Personal Digital Assistants  
Portable Data-Collection Terminals  
2V TO  
12V  
P in Co n fig u ra t io n  
BATT  
12.5V  
TO  
23.5V OUT  
3V TO  
5.5V  
V
LX  
DHI  
DD  
TOP VIEW  
POL  
DN (SDA)  
UP (SCL)  
BATT  
1
2
3
4
5
6
7
8
16 DHI  
DLO  
/
ON OFF  
SHDN  
DLO  
15  
DOWN  
UP  
DN  
UP  
14 LX  
PGND  
SHDN (SUS)  
POK  
13 PGND  
MAX1620  
MAX1621  
MAX1620  
REF  
12  
11  
10  
9
AGND  
DOUT  
REF  
V
DD  
FB  
POL  
DOUT  
FB  
AGND  
LCDON  
POK LCDON  
QSOP  
( ) ARE FOR MAX1621 ONLY.  
SMBus is a trademark of Intel Corp.  
________________________________________________________________ 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 1-800-835-8769.  

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