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SP6123CN 参数 Datasheet PDF下载

SP6123CN图片预览
型号: SP6123CN
PDF下载: 下载PDF文件 查看货源
内容描述: 低电压,同步降压型PWM控制器非常适合2A至10A ,占地面积小, DC-DC电源转换器 [Low Voltage, Synchronous Step-Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters]
分类和应用: 转换器控制器
文件页数/大小: 18 页 / 154 K
品牌: SIPEX [ SIPEX CORPORATION ]
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OPERATION
A more detailed description of the waveform is shown below.
SP6123 OVER CURRENT (HICCUP MODE)
Test Conditions
V
FB
= 0.7V
V
CC
= 5.0V
BST = 5.0V
SWN - tied to GND through 1k Resistor
COMP – released from GND
Overcurrent Detected
G
H
Turns Off
(Fault Mode Enabled)
Internal SSTART rises until
~ V
CC
-1V, then gives command
to attempt RESTART
G
H
COMP Clamps
~ 3V
COMP
After pop, COMP
retains internal
SSTART slope
ENABLE
Part
Attempt
RESTART
5µA PULLUP slope to 0.3V;
35µA PULLUP to 0.7V
Internal SSTART
passes V(V
FB
), COMP
pops to ~ internal
SSTART voltage +0.7V
Date: 5/25/04
SP6123 Low Voltage, Synchronous Step Down PWM Controller
© Copyright 2004 Sipex Corporation
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