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RT3612EB bảng dữ liệu(PDF) 16 Page - Richtek Technology Corporation

tên linh kiện RT3612EB
Giải thích chi tiết về linh kiện  2-Phase PWM Controller with Dual Integrated Drivers for IMVP9 CPU Core Power Supply
PDF  47 Pages
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nhà sản xuất  RICHTEK [Richtek Technology Corporation]
Trang chủ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT3612EB bảng dữ liệu(HTML) 16 Page - Richtek Technology Corporation

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RT3612EB
16
DS3612EB-02 December 2019
www.richtek.com
©
Copyright 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Maximum Active Phases Number Setting
The number of active phases is determined by ISENxN
voltages. The detection is only active and latched at Chip
Enable rising edge (VRON = H and VCC > 4.45V). While
voltage at ISENxN > (VCC - 0.7V), maximum active phase
number is (x-1). For example, pulling ISEN2N to VCC
programs a 1-phase operation. The unused ISENxP pins
are recommended to connect to VCC and the unused
PWM pins can be floating. Figure 3 is a 1-phase operation
example, the pull up voltage of ISEN2N should be
connected together with VCC of RT3612EB and the pull
up resistor should be 10k
Ω.
RT3612EB
ISEN2P
ISEN2N
17
18
VSS_SENSE
20
VIN
ISEN1P
ISEN1N 19
27
R36
Q2 x 2
Q1
R31
R30
C6
C7
C8
L1
C10
R33
Optional
R35
R32
C9
Optional
R40
C17
Optional
C18
10 VCC
5V
R2
C1
VCC_SENSE
C19
R39
LOAD
VCORE_OUT
0.1µF
4.7µF
6.2Ω
25
BOOT1
UGATE1 26
PHASE1
LGATE1
28
31
1
BOOT2
UGATE2 32
PHASE2
LGATE2
30
R34
C11
680Ω
R45
10kΩ
Figure 3. 1-Phases Operation Setting



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