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参数资料
| 型号： | MAX17024ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 23/25页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR DIVIDER PWM 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | Quick-PWM™ |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 600kHz |
| 电源电压： | 2 V ~ 26 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 是 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 85°C |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
Single Quick-PWM Step-Down
Controller with Dynamic REFIN
Layout Procedure
1) Place the power components first, with ground ter-
minals adjacent (low-side MOSFET source, C IN ,
C OUT , and D1 anode). If possible, make all these
connections on the top layer with wide, copper-
filled areas.
2) Mount the controller IC adjacent to the low-side
MOSFET. The DL gate traces must be short and
wide (50 mils to 100 mils wide if the MOSFET is 1in
from the controller IC).
3) Group the gate-drive components (BST capacitors,
V DD bypass capacitor) together near the controller IC.
4) Make the DC-DC controller ground connections as
shown in Figure 1. This diagram can be viewed as
having 4 separate ground planes: input/output
ground, where all the high-power components go;
the power ground plane, where the GND pin and
V DD bypass capacitor go; the controller’s analog
ground plane where sensitive analog components,
the controller’s GND pin, and V CC bypass capacitor
go. The controller’s ground plane must meet the
power ground plane only at a single point directly
beneath the IC (this si done automatically inside the
MAX17024 through the back pad). These ground
planes should connect to the high-power output
ground with a short metal trace from GND (back
pad) to the source of the low-side MOSFET (the mid-
dle of the star ground). This point must also be very
close to the output capacitor ground terminal.
5) Connect the output power planes (V CORE and sys-
tem ground planes) directly to the output filter
capacitor positive and negative terminals with multi-
ple vias. Place the entire DC-DC converter circuit
as close to the load as is practical.
Chip Information
TRANSISTOR COUNT: 7169
PROCESS: BiCMOS
______________________________________________________________________________________
23
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17024EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX17024 EVAL KIT - Boxed Product (Development Kits) |
| MAX17026 | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX17028GTJ+ | 功能描述:电压模式 PWM 控制器 Intel GMCH Single Phase PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX17028GTJ+T | 功能描述:电压模式 PWM 控制器 Intel GMCH Single Phase PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1702BEGX | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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