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PFS7629H bảng dữ liệu(PDF) 11 Page - Power Integrations, Inc.

tên linh kiện PFS7629H
Giải thích chi tiết về linh kiện  PFC Controller with Integrated 600 V MOSFET and Diode Option Optimized for High PF and Efficiency Across Load Range
PDF  38 Pages
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nhà sản xuất  POWERINT [Power Integrations, Inc.]
Trang chủ  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

PFS7629H bảng dữ liệu(HTML) 11 Page - Power Integrations, Inc.

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Rev. F 08/20
11
PFS7x23-7x29/7633-7636
www.power.com
Open FEEDBACK Pin Protection
The FEEDBACK pin continuously sinks a static current of I
FBPD [VCC
>VCC
UVLO+] to protect against a fault related to an open FEEDBACK pin
or incomplete feedback divider network. The internal current sink
introduces a small static offset to the output regulation which can be
accounted for in selecting the output feedback regulation components
(FEEDBACK pin divider).
Hysteretic Thermal Shutdown
The thermal shutdown circuit senses the controller die temperature
which is well coupled to the heat sink through the exposed, grounded
pad. The threshold is set at 117 °C typical with a 36 °C hysteresis.
When the controller die temperature rises above this threshold (OTP),
the controller initiates a soft-shutdown and remains disabled until the
controller die temperature falls by ~36 °C, at which point the device
will re-initiate the start-up sequence.
The maximum time delay for soft-shutdown to occur after an OTP
event is detected is t
OTP beyond the next zero-crossing.
HiperPFS-4 Additional Features and Changes
HiperPFS-4 (eSIP) maintains similar pin-out as HiperPFS-3.
• The breakdown voltage rating of the PFC MOSFET and diode has
been increased to 600 V.
• PFC output voltage can be designed for up to 440 VDC output to
allow operation with 277 VAC line voltage.



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