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| 型号： | MAX8513EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 33/35页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX8513 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 3，非隔离 |
| 输出电压： | 3.3V，2.5V，12V |
| 电流 - 输出： | 2A，1.5A，100mA |
| 输入电压： | 9 ~ 16 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 1.4MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX8513 |
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Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
V OUT1
L1B
C7
MAX8513
DRV3P
CBE
R12
Q4
R13
V OUT3P
FB3P
a) POSITIVE OUTPUT VOLTAGE
SUP3N
R14
C8
V OUT1
R14
V OUT1
FB3N
DRV3N
R13
Q4
C8
V OUT3N
MAX8514
b) NEGATIVE OUTPUT VOLTAGE
Figure 7. Base-Drive Noise Reduction
C BE
R12
C7
L1B
Applications Information
PC Board Layout Guidelines
Careful PC board layout is critical to achieve low
switching losses and clean, stable operation. The
switching power stage requires particular attention.
Follow these guidelines for good PC board layout:
Place decoupling capacitors as close to the IC pins as
possible. Keep separate the power-ground plane (con-
nect to the sources of the low-side MOSFET, PGND,
and the output capacitor’s return). Connect the input
decoupling capacitors across the drain of the high-side
MOSFETs and the source of the low-side MOSFETs.
The signal-ground plane (connected to GND) is con-
nected to the rest of the circuit-ground return. The two
ground planes then connect together with a single con-
nection at the IC. Keep the high-current paths as short
as possible. Connect the drains of the MOSFETS to a
large copper area to help in cooling the devices, further
improving efficiency and long-term reliability.
1) Ensure all feedback connections are short and
direct. Place the feedback resistors as close to the
IC as possible.
2) Route high-speed switching nodes away from sen-
sitive analog areas (FB_, COMP, ILIM).
3) Ensure the current-sense paths for CSP and CSN
run parallel and close together to cancel any noise
pickup.
4) A reference PC board layout included in the
MAX8513 evaluation kit is also provided to further
aid layout.
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8514AEI | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8514AEI-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8514EEI | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8514EEI-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8515AEXK | 制造商:Maxim Integrated Products 功能描述:WIDE-INPUT 0.6V SHUNT REGULATOR FOR - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
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