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6269CRZ Просмотр технического описания (PDF) - Intersil

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6269CRZ High-Performance Notebook PWM Controller with Bias Regulator and Audio-Frequency Clamp Intersil
Intersil Intersil
6269CRZ Datasheet PDF : 17 Pages
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ISL6269
PHASE Pin-15 (Input)
The PHASE pin is the return current path for the UG
MOSFET driver. The PHASE pin also measures the polarity
of the low-side MOSFET drain voltage for the diode
emulation function. Connect the PHASE pin to the node
consisting of the high-side MOSFET source, the low-side
MOSFET drain, and the output inductor. Refer to Figure 1,
Typical Application Schematic.
PGOOD Pin-16 (Output)
The PGOOD pin is an open-drain output that is high
impedance when the converter is in regulation, or when the
EN pin is pulled below the falling threshold voltage VENTHF.
The PGOOD pin has three distinct pull-down impedances
that correspond to an OVP fault, OCP/SCP, or UVP and
soft-start. Connect the PGOOD pin to a pull-up resistor.
6
FN9177.1
August 7, 2006
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