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RT3612EB 데이터시트(PDF) 37 Page - Richtek Technology Corporation

부품명 RT3612EB
상세설명  2-Phase PWM Controller with Dual Integrated Drivers for IMVP9 CPU Core Power Supply
PDF  47 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT3612EB 데이터시트(HTML) 37 Page - Richtek Technology Corporation

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RT3612EB
37
DS3612EB-02 December 2019
www.richtek.com
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Copyright 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Figure 23. Timing Chart for Thermal Monitoring
VREF06
3.2V
Higher
temperature, lower
V(TSEN)
80uA Switch of
TSEN
PIN-SETTING
Mode
TSEN Operation
Mode
Thermal Sense Mode
VR Internal
Setting
Pre-Thermal
Sense Mode
EN
VSEN
(VBOOT=1.8V)
TSEN
3.2 x R2/(R1+R2)
0.6 x R2/(R1+R2) + 80uA x [(R1//R2)+R3]
Temperature
0.6V
80uA
0uA
1.8V
0V
25 Celsius
PIN-SETTING
Register
Pre-Thermal
Register
Thermal
Register
Thermal Voltage:
80uA x [(R1//R2)+R3]
Table 16. Thermal Zone and Detection Encoding with RNTC = 100k
Ω
Ω
Ω
Ω
Ω , Beta = 4485K
Temperature
Thermal Voltage
80
A x [(R1//R2) + R3]
Temperature Zone Register
(12h)
100
℃
1.092V
FFh
97
℃
1.132V
7Fh
94
℃
1.176V
3Fh
91
℃
1.226V
1Fh
88
℃
1.283V
0Fh
85
℃
1.346V
07h
82
℃
1.418V
03h
75
℃
1.624V
01h



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