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参数资料
| 型号： | MAX8761ETG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 24/25页 |
| 文件大小： | 0K |
| 描述： | IC REG LINEAR LCD 24-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 应用： | 转换器，LCD 电源 |
| 输入电压： | 8 V ~ 28 V |
| 输出数： | 1 |
| 输出电压： | 5V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 管件 |
Low-Cost, Linear-Regulator
LCD Panel Power Supplies
PC Board Layout Guidelines
Careful PC board layout is important for proper opera-
tion. Use the following guidelines for good PC board
layout:
Pin Configurations (continued)
TOP VIEW
1) Create a power ground island consisting of the lin-
12
11
10
9
ear-regulator input and output-capacitor ground
connections, the GND pin, and the capacitor
SHDN 13
8
DRVP
ground connections for the charge-pump regula-
tors. Connect all these together with short, wide
FBL 14
7
DRVN
traces or a small ground plane. Maximizing the
width of the power ground traces improves efficien-
DLP 15
MAX8711
6
OUTL
cy. Create an analog ground island consisting of all
the feedback-divider ground connections, the oper-
FBN 16
5
IN
ational-amplifier divider ground connection, the REF
capacitor ground connection, the MODE capacitor
ground connection, the DLP capacitor ground con-
+
1
2
3
4
nection, and the device’s exposed backside pad.
Connect the analog ground island and the power
ground island by connecting the GND pin directly to
the exposed backside pad. Make no other connec-
tions between these separate ground islands.
THIN QFN 4mm x 4mm
2) Place all feedback voltage-divider resistors as close
9
8
7
to their respective feedback pins as possible. The
divider’s center trace should be kept short. Placing
the resistors far away causes their FB traces to
FBL 10
6
DRVP
become antennas that can pick up noise from the
switching nodes of the charge pumps. Avoid running
DLP 11
MAX8712
5
DRVN
any feedback trace near these switching nodes.
3) Place IN, INL, SUPB, SUPCP, and REF pin bypass
FBN 12
4
OUTL
capacitors close to the IC. The ground connection
of the IN bypass capacitor should be connected
directly to the GND pin with a wide trace.
+
1
2
3
4) Minimize the length and maximize the width of the
traces between the output capacitors and the load
for best transient responses.
5) Minimize the size of the switching nodes (DRVP and
DRVN). Keep the switching nodes away from feed-
back nodes (FBL, FBP, and FBN) and the analog
ground. Use DC traces as a shield if necessary.
Refer to the MAX8710 evaluation kit for an example of
proper board layout.
THIN QFN 4mm x 4mm
Chip Information
MAX8710/MAX8711/MAX8712 TRANSISTOR COUNT:
3946
MAX8761 TRANSISTOR COUNT: 4127
PROCESS: BiCMOS
24
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8761ETG+ | 功能描述:LCD 驱动器 Linear-Regulator LCD Panel Power Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8761ETG+T | 功能描述:LCD 驱动器 Linear-Regulator LCD Panel Power Supply RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8764EEP | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8764EEP+ | 功能描述:电流型 PWM 控制器 High-Speed Step Down Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8764EEP+T | 功能描述:电流型 PWM 控制器 High-Speed Step Down Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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