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MAX8795AGTJ+ PDF预览

MAX8795AGTJ+

更新时间： 2024-11-11 11:49:51
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运算放大器信息通信管理
页数 文件大小 规格书
31页 641K
描述
TFT-LCD DC-DC Converter with Operational Amplifiers

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MAX8795AGTJ+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：5 X 5 MM, 0.80 HEIGHT, ROHS COMPLIANT, MO-220WHHD-2, TQFN-32针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.7Is Samacsys：N
其他特性：OPERATES IN ADJUSTABLE MODE FROM 2.5 TO 18V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：2.5 V
标称输入电压：3 VJESD-30 代码：S-XQCC-N32
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：32
最高工作温度：105 °C最低工作温度：-40 °C
最大输出电流：3.5 A封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,20
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）：NOT SPECIFIED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：BOOST
最大切换频率：1400 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：NOT SPECIFIED
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

MAX8795AGTJ+ 数据手册

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19-079ꢀ; Rev 5; 5/12  
TFT-LCD DC-DC Converter with  
Operational Amplifiers  
MX8795A  
General Description  
Features  
o 2.5V to 5.5V Input Supply Range  
The MAX8795A includes a high-performance step-up  
regulator, two linear-regulator controllers, and five high-  
current operational amplifiers for active-matrix, thin-film  
transistor (TFT), liquid-crystal displays (LCDs). Also  
included is a logic-controlled, high-voltage switch with  
adjustable delay.  
o 1.2MHz Current-Mode Step-Up Regulator  
Fast Transient Response to Pulsed Load  
High-Accuracy Output Voltage (1%)  
Built-In 20V, 3A, 0.16Ω n-Channel MOSFET  
High Efficiency (85%)  
The step-up DC-DC converter provides the regulated  
supply voltage for the panel source driver ICs. The con-  
verter is a high-frequency (1.2MHz) current-mode regu-  
lator with an integrated 20V n-channel MOSFET that  
allows the use of ultra-small inductors and ceramic  
capacitors. It provides fast transient response to pulsed  
loads while achieving efficiencies over 85%.  
o Linear-Regulator Controllers for V  
and V  
GOFF  
GON  
o High-Performance Operational Amplifiers  
130mA Output Short-Circuit Current  
45V/µs Slew Rate  
20MHz, -3dB Bandwidth  
Rail-to-Rail Inputs/Outputs  
o Logic-Controlled, High-Voltage Switch with  
The gate-on and gate-off linear-regulator controllers  
provide regulated TFT gate-on and gate-off supplies  
using external charge pumps attached to the switching  
node. The MAX8795A includes five high-performance  
operational amplifiers. These amplifiers are designed to  
drive the LCD backplane (VCOM) and/or the gamma-  
correction divider string. The device features high out-  
put current ( 1ꢀ0mA), fast slew rate (ꢁ5V/ꢂs), wide  
bandwidth (20MHz), and rail-to-rail inputs and outputs.  
Adjustable Delay  
o Timer-Delay Fault Latch for All Regulator Outputs  
o Thermal-Overload Protection  
o 0.6mA Quiescent Current  
Minimal Operating Circuit  
V
V
CP  
CN  
The MAX8795A is available in a lead-free, ꢀ2-pin, thin  
QFN package with a maximum thickness of 0.8mm for  
ultra-thin LCD panels, as well as in a ꢀ2-pin LQFP  
package with 0.8mm pin pitch.  
V
V
MAIN  
IN  
LX  
IN  
FB  
STEP-UP  
CONTROLLER  
PGND  
AGND  
COMP  
Applications  
Notebook Computer Displays  
LCD Monitor Panels  
V
V
CP  
MAX8795A  
DRVP  
FBP  
GATE-ON  
CONTROLLER  
GON  
Automotive Displays  
SRC  
COM  
DRN  
DEL  
CTL  
SWITCH  
CONTROL  
V
V
CN  
Ordering Information  
DRVN  
FBN  
PART  
TEMP RANGE  
-ꢁ0°C to +85°C  
-ꢁ0°C to +105°C  
-ꢁ0°C to +105°C  
-ꢁ0°C to +105°C  
-ꢁ0°C to +105°C  
PIN-PACKAGE  
ꢀ2 Thin QFN  
ꢀ2 LQFP  
GATE-OFF  
CONTROLLER  
GOFF  
SUP  
MAX8795AETJ+  
MAX8795AGCJ+  
MAX8795AGCJ/V+  
MAX8795AGTJ+  
MAX8795AGTJ/V+  
NEG1  
OUT1  
OP1  
OP2  
ꢀ2 LQFP  
REF  
POS1  
NEG2  
REF  
ꢀ2 TQFN  
NEG4  
ꢀ2 TQFN  
OUT2  
POS2  
OUT4  
OP4  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
/V denotes an automotive-qualified part.  
POS4  
NEG5  
OUT3  
POS3  
OUT5  
POS5  
OP3  
OP5  
BGND  
EP  
Pin Configurations appear at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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