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DA9131 データシート(PDF) 49 Page - Dialog Semiconductor

部品番号 DA9131
部品情報  High-Performance, Dual-Channel DC-DC Converter for Mobile and Portable Applications
PDF  56 Pages
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メーカー  DIALOG [Dialog Semiconductor]
ホームページ  http://www.dialog-semiconductor.com/
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DA9131 データシート(HTML) 49 Page - Dialog Semiconductor

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DA9131
High-Performance, Dual-Channel DC-DC Converter for
Mobile and Portable Applications
Datasheet
Revision 2.0
11-Aug-2021
CFR0011-120-00
49 of 56
© 2021 Dialog Semiconductor
Bit
Symbol
Description
Continuing through…
0x64
1
To…
0xBC
1.88
0xBD
1.89
0xBE
1.9
Table 52: BUCK_BUCK2_4 (0x002C)
Bit
Symbol
Description
[4]
CH2_VSEL
Output voltage and operation selection: 0: A, 1: B. Initial value is
determined by CONF pin setting at the start-up in CONF_EN = 1
[3:2]
CH2_B_MODE
Operation mode selection. Initial value is determined by CONF pin
setting at the start-up in CONF_EN = 1
Value
Description
0x0
Force PFM operation
0x1
Force PWM operation
0x2
Force PWM operation
0x3
Auto mode
[1:0]
CH2_A_MODE
Operation mode selection. Initial value is determined by CONF pin
setting at the start-up in CONF_EN = 1
Value
Description
0x0
Force PFM operation
0x1
Force PWM operation
0x2
Force PWM operation
0x3
Auto mode
Table 53: BUCK_BUCK2_5 (0x002D)
Bit
Symbol
Description
[7:0]
CH2_A_VOUT
Output voltage setting A: Initial value is determined by CONF pin
setting at the start-up in CONF_EN = 1
From 0.30 V (0x1E) to 1.90 V (0xBE) in steps of 10 mV (default 1.0 V)
Write-protected when value is written below 0.30 V or above 1.90 V
Value
Description
0x1E
0.3
0x1F
0.31
0x20
0.32
Continuing through…
0x64
1
To…
0xBC
1.88



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