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RT3612EB 데이터시트(PDF) 3 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) 3 Page - Richtek Technology Corporation

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RT3612EB
3
DS3612EB-02 December 2019
www.richtek.com
©
Copyright 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Pin No.
Pin Name
Pin Function
12
VREF06
Voltage source output. During controller internal setting period, it outputs 3.2V.
In normal operation, it outputs 0.6V to offset IMON signal. While controller
shuts down or in PS4, voltage source shuts down. An exact 0.47
F capacitor
and 3.9
 resistor from this pin to GND are required for stability.
13
RGND
Return ground. This pin is the negative input of output voltage differential
remote sense.
14
VSEN
Voltage sense input. This pin is connected to the terminal of controller output
voltage.
15
COMP
Error amplifier output pin.
16
FB
Negative input of the error amplifier. This pin is for output voltage feedback to
controller.
20, 17
ISEN[1:2]P
Positive current sense inputs of channel 1 and 2.
19, 18
ISEN[1:2]N
Negative current sense inputs of channel 1 and 2.
21
TSEN
Thermal sense input and function settings for advanced ramp magnitude in
PS1, advanced ramp magnitude in PS0, zero loadline enable and DVID voltage
compensation.
22
VIN
Input voltage pin. Connect an RC filter whose time constant need less than
switch period for sensing input voltage.
23
VRON
Controller enable pin. A logic high signal enables the controller.
24
VR_READY
VR ready indicator.
26, 32
UGATE[1:2]
High-side driver output. Connect the pin to the gate of high-side MOSFET.
27, 31
PHASE[1:2]
Switch node of high-side driver. Connect the pin to high-side MOSFET source
together with the low-side MOSFET drain and inductor.
28, 30
LGATE[1:2]
Low-side driver output. This pin drives the gate of low-side MOSFET.
29
PVCC
Driver power supply input. Connect this pin to 5V and place a minimum 2.2
F
ceramic capacitor.
33
(Exposed Pad)
GND
Ground. The exposed pad must be soldered to a large PCB and connected to
GND for maximum power dissipation.



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