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RT5744 Datasheet(PDF) 28 Page - Richtek Technology Corporation

Part # RT5744
Description  2.4MHz 4A/6A Step-Down Converter with I2C Interface
PDF  38 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5744 Datasheet(HTML) 28 Page - Richtek Technology Corporation

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RT5744/RT5746
Copyright © 2023 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS5744/DS5746-00
November
2023
28
Table 5. NSEL1
Address: 0x01
Bit
7
6
5
4
3
2
1
0
Field
VSEL1
RT5744A
0
1
1
0
0
1
0
1
RT5744B
0
1
1
0
0
1
0
1
RT5746A
0
1
1
0
0
1
0
1
Type
RW
Bit
Name
Description
7:0
VSEL1
VID Table satisfy (activate when the VSEL pin set to logic-high):
SEL[7:0] = 10110101: VOUT = 1.40125V
…
SEL[7:0] = 0000000 :VOUT = 0.27V
6.25mV step for 0.27~1.40125
Table 6. CONTROL1
Address: 0x02
Bit
7
6
5
4
3
2
1
0
Field
DISCHG
UP_SR
Reserved
SW_RESET
MODE_VSEL1 MODE_VSEL0
Default
1
0
0
1
0
0
0
0
Type
RW
RW
RV
RW
RW
RW
Bit
Name
Description
7
DISCHG
0: Disable internal output discharge resistor
1: Enable internal output discharge resistor
6:4
UP_SR
DVS Speed for UP DVS
000 = 25mV/
s
001 = 12.5mV/
s
010 = 6.25mV/
s
011 = 3.125mV/
s
100 = 1.5625mV/
s
101 = 0.78125mV/
s
110 = 0.39065mV/
s
111 = 0.1953125mV/
s
3
Reserved
Reserved bits
2
SW_RESET
Write 1 to reset, always read 0
1
MODE_VSEL1
Mode control (activate when the VSEL pin set to logic-high):
1: Forced PWM mode
0: Auto PFM/PWM mode
0
MODE_VSEL0
Mode control (activate when the VSEL pin set to logic-low):
1: Forced PWM mode
0: Auto PFM/PWM mode



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