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参数资料
| 型号： | MAX15109EWP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 8A 20WLP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 可编程 |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 8A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 包装： | * |
| 供应商设备封装： | * |
High-Efficiency, 8A, Current-Mode Synchronous
Step-Down Switching Regulator with VID Control
Layout Procedure
Careful PCB layout is critical to achieve clean and
stable operation. It is highly recommended to duplicate
the MAX15109 evaluation kit layout for optimum perfor-
mance. If deviation is necessary, follow these guidelines
for good PCB layout:
1) Connect input and output capacitors to the power
ground plane.
2) Place bypass capacitors as close to IN and the soft-
4) Connect IN, LX, and PGND separately to a large
copper area to help cool the IC to further improve
efficiency.
5) Ensure all feedback connections are short and
direct. Place the feedback resistors and compensa-
tion components as close as possible to the IC.
6) Route high-speed switching nodes (such as LX)
away from sensitive analog areas (such as FB,
COMP, SGND, and SS).
start capacitor as close to SS as possible.
3) Keep the high-current paths as short and wide as
possible. Keep the path of switching current short
and minimize the loop area formed by LX, the output
capacitors, and the input capacitors.
Typical Application Circuit
C IN2
22μF
V IN
2.7V TO
5.5V
C IN2
22μF
R PULL
100k I
VID0
VID1
EN
IN
INX
MAX15109
LX
FB
PGND
L OUT
0.56μH
C OUT2
47μF
OUTPUT
C OUT1
0.1μF
PGOOD
COMP
OPTIONAL
EXTERNAL
REFERENCE
C SS
33nF
SS/REF
C EA2
100pF
R EA
2.43k I
C EA
6800pF
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| MAX1510ETB-T | 功能描述:线性稳压器 - 标准 RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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