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MAX798ESE 参数 Datasheet PDF下载

MAX798ESE图片预览
型号: MAX798ESE
PDF下载: 下载PDF文件 查看货源
内容描述: 高精度降压型控制器,同步整流,用于CPU电源 [High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
文件页数/大小: 12 页 / 91 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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High-Accuracy Step-Down Controller
with Synchronous Rectifier for CPU Power
The MAX798 contains the following seven major circuit
blocks, which are shown in Figure 2.
PWM Controller Blocks:
Multi-Input PWM Comparator
Current-Sense Circuit
PWM Logic Block
Gate-Driver Outputs
BATTERY VOLTAGE
Bias Generator Blocks:
+5V Linear Regulator
Automatic Bootstrap Switchover Circuit
+2.505V Reference
MAX798
TO
CSL
V+
4.5V
+5V LINEAR
REGULATOR
SHDN
OUT
VL
+5V AT 5mA
BST
SKIP
PWM
LOGIC
DH
LX
MAIN
OUTPUT
DL
+2.505V
REF
PWM
COMPARATOR
REF
1.6V
GND
1X
PGND
+2.505V
AT 100µA
CSH
CSL
ON/OFF
FB
SHDN
SYNC
SS
MAX798
Figure 2. Functional Diagram
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