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LP8733 датащи(PDF) 45 Page - Texas Instruments

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номер детали LP8733
подробное описание детали  LP8733xx Dual High-Current Buck Converter and Dual Linear Regulator
PDF  82 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LP8733 датащи(HTML) 45 Page - Texas Instruments

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LP8733
www.ti.com
SNVSBK2 – SEPTEMBER 2019
Product Folder Links: LP8733
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Copyright © 2019, Texas Instruments Incorporated
7.6.1.4 BUCK0_CTRL_2
BUCK0_CTRL_2 is shown in Table 11, Address: 0x03
Figure 32. BUCK0_CTRL_2 Register
D7
D6
D5
D4
D3
D2
D1
D0
Reserved - do not use
BUCK0_ILIM[2:0]
BUCK0_SLEW_RATE[2:0]
Table 11. BUCK0_CTRL_2 Register Field Descriptions
Bits
Field
Type
Default
Description
7:6
Reserved - do not
use
R/W
00
5:3
BUCK0_ILIM[2:0]
R/W
X
Sets the switch current limit of Buck0. Can be programmed at any time during
operation:
0x0 - 1.5 A
0x1 - 2.0 A
0x2 - 2.5 A
0x3 - 3.0 A
0x4 - 3.5 A
0x5 - 4.0 A
0x6 - Reserved - do not use.
0x7 - Reserved - do not use.
2:0
BUCK0_SLEW_RA
TE[2:0]
R/W
X
Sets the output voltage slew rate for Buck0 regulator (rising and falling edges):
0x0 - Reserved - do not use.
0x1 - Reserved - do not use.
0x2 - 10 mV/µs
0x3 - 7.5 mV/µs
0x4 - 3.8 mV/µs
0x5 - 1.9 mV/µs
0x6 - 0.94 mV/µs
0x7 - 0.47 mV/µs
7.6.1.5 BUCK1_CTRL_1
BUCK1_CTRL_1 is shown in Table 12, Address: 0x04
Figure 33. BUCK1_CTRL_1 Register
D7
D6
D5
D4
D3
D2
D1
D0
Reserved - do not use
BUCK1_FPWM
BUCK1_RDIS_
EN
BUCK1_EN_PI
N_CTRL
BUCK1_EN
Table 12. BUCK1_CTRL_1 Register Field Descriptions
Bits
Field
Type
Default
Description
7:4
Reserved - do not
use
R/W
0000
3
BUCK1_FPWM
R/W
X
Buck1 mode selection:
0 - Automatic transitions between the PFM and PWM modes (AUTO mode).
1 - Forced to PWM operation.
2
BUCK1_RDIS_EN
R/W
1
Enable output discharge resistor (RDIS_Bx) when the Buck1 is disabled:
0 - Discharge resistor is disabled.
1 - Discharge resistor is enabled.
1
BUCK1_EN_PIN
_CTRL
R/W
X
Enable control for the Buck1:
0 - only the BUCK1_EN bit controls the Buck1
1 - BUCK1_EN bit and the EN pin control the Buck1.
0
BUCK1_EN
R/W
X
Enable the Buck1 regulator:
0 - Buck1 regulator is disabled.
1 - Buck1 regulator is enabled.



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