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RT3624LE Datasheet(PDF) 44 Page - Richtek Technology Corporation

Part # RT3624LE
Description  Dual Channel PWM Controller for IMVP9.1 CPU Core Power Supply
PDF  48 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT3624LE Datasheet(HTML) 44 Page - Richtek Technology Corporation

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RT3624LE
Copyright © 2022 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
www.richtek.com
DS3624LE-00
April
2022
44
Table 17. Summary of Over Voltage Protection
VID Condition
OVP Threshold
Example
Protection
Flag
Protection Action
Protection
Reset
VID=0
OVP is masked.
VREF=1V
VCC/VRON
Toggle
DVID up period from
0V to 1st PWM pulse
after VID settles
2.45V
VR_READY
latched
low. The output voltage
is pulled down to below
2.1V and then ramps
down to 0V.
DVID period from
non-zero VID
VID+350mV if VID
>1.0V, 1.35V if VID
≤1.0V
VID = 1.2V,
OVP threshold =
1.55V
VID = 0.9V,
OVP threshold =
1.35V
VR_READY
latched
low. The output voltage
is pulled down to below
VID and then ramps
down to 0V.
VID
≠0
VID+350mV if VID
>1.0V, 1.35V if VID
≤1.0V
VID = 1.2V,
OVP threshold =
1.55V
VID = 0.9V,
OVP threshold =
1.35V
OVP Threshold
VSEN
VR_READY
VID Down (Slow Slew rate)
Indicator
60
μs
PWM
0V
2.45V
2.1V
Figure 23. Over-Voltage Protection Mechanism for DVID up from 0V



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