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RT9256PQV 参数 Datasheet PDF下载

RT9256PQV图片预览
型号: RT9256PQV
PDF下载: 下载PDF文件 查看货源
内容描述: 积极另类模式两相/双开关PWM控制器 [Actively Alternative Mode Two-Phase / Dual Switching PWM Controller]
分类和应用: 开关控制器
文件页数/大小: 18 页 / 374 K
品牌: RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
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RT9256
PGOOD (Pin 27)
Preliminary
Power Good. In two-switcher mode, PGOOD is an open
drain output used to indicate the status of the voltages on
all SS pins, FB pins and VIN (by detecting RR at POR).
PGOOD pulled low when
1. SS1 or SS2 < V
CC5
1.3
2. FB1 or FB2 < 0.6V
In two-phase mode (FB2 pulled high), PGOOD is an open
drain output used to indicate the status of the voltages on
SS1 pin and FB1 pin.
PGOOD pulled low when
1. SS1 < V
CC5
1.3
2. FB1 < 0.6V
NC [Exposed Pad (33)]
No Internal Connection.
www.richtek.com
8
DS9256-07 August 2007