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DFE252012F-R47M 数据表(PDF) 68 Page - Analog Devices

部件名 DFE252012F-R47M
功能描述  16VIN/16A, Quad-Phase High-Efficiency Buck Converter
PDF  122 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

DFE252012F-R47M 数据表(HTML) 68 Page - Analog Devices

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TOPSYS_CFG (0x0C)
BIT
7
6
5
4
3
2
1
0
Field
RESERVED[1:0]
ALT_IN_EN
CE_PD_EN
MASK_MO
DE
FTMON_EN
CLK_EN
VL_EN
Reset
0x0
0x1
0x1
0x0
0x0
0x0
0x0
Access
Type
Write, Read
Write, Read
Write, Read
Write, Read
Write, Read
Write, Read
Write, Read
BITFIELD
BITS
TYPE
DESCRIPTION
DECODE
RESERVED
7:6
O
Reserved. Returns 0.
ALT_IN_EN
5
O
Alternative Input Control
0x0 = VDD, VL12 and VL34 LDOs are
powered from SYS.
0x1 = VDD, VL12 and VL34 LDOs are
powered from ALT_IN.
CE_PD_EN
4
O
CE Pull-Down Control
0x0 = Disable an internal pull-down.
0x1 = Enable an internal pull-down.
MASK_MO
DE
3
O
Interrupt Mask Mode Setting
0x0 = Interrupt signal is gated after the
corresponding interrupt bit when masked.
0x1 = Interrupt signal is gated before the
corresponding interrupt bit when masked.
FTMON_EN
2
O
Forced Junction Temperature Monitor
0x0 = Monitor junction temperature only
when one or more outputs is/are enabled.
0x1 = Monitor junction temperature even
when all the outputs are disabled.
CLK_EN
1
O
System Clock Pre-Enable Control
0x0 = Disable.
0x1 = Enable (enable internal OSC even
when all buck outputs are disabled).
VL_EN
0
O
VL12 and VL34 LDOs Pre-Enable Control
0x0 = Disable.
0x1 = Enable (Allow shorter buck turn-on
delay).
PROT_CFG (0x0D)
BIT
7
6
5
4
3
2
1
0
Field
RESERVED
TWARN_TH[2:0]
RESERVED
UVLO_F
POK_TO[1:0]
Reset
0x0
0x5
0x0
0x1
0x0
Access
Type
Write, Read
Write, Read
Write, Read
Write, Read
Write, Read
BITFIELD
BITS
TYPE
DESCRIPTION
DECODE
RESERVED
7
O
Reserved. Returns 0.
TWARN_T
H
6:4
O
Thermal-Warning Threshold
0x0 = +95°C.
0x1 = +100°C.
0x2 = +105°C.
0x3 = +110°C.
0x4 = +115°C.
0x5 = +120°C.
0x6 = +125°C.
0x7 = +130°C.
RESERVED
3
O
Reserved. Returns 0.
UVLO_F
2
O
VSYS UVLO Falling Threshold (Relative
to UVLO Rising Threshold)
0x0 = UVLO_R - 150mV.
0x1 = UVLO_R - 200mV.
MAX77542
16VIN/16A, Quad-Phase High-Efficiency Buck
Converter
www.analog.com
Analog Devices | 68



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