参数资料
型号: ADP1043AACPZ-R7
厂商: Analog Devices Inc
文件页数: 69/72页
文件大小: 0K
描述: IC THERMO COOLER CTLR 32LFCSP
标准包装: 1,500
应用: 电源
输入电压: 0 V ~ 1.55 V
电源电压: 3.1 V ~ 3.6 V
电流 - 电源: 20mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 带卷 (TR)
ADP1043A
Table 120. Register 0x49—OUTC Rising Edge Dead Time in Resonant Mode
Bits
[7:0]
Name
Δt 5 (rising edge dead
time of OUTC)
R/W
R/W
Description
This register sets Δt 5 , which is the difference between the rising edge of OUTC and the midpoint
of the switching cycle, t B . Each LSB corresponds to 5 ns of resolution. When the register value is
from 0x00 to 0x7F, the rising edge of OUTC is trailing t B . When the value is from 0x80 to 0xFF,
the rising edge of OUTC is leading t B .
Bit 7
0
0
0
1
1
Bit 6
0
0
1
0
1
Bit 5
0
0
1
0
1
Bit 4
0
0
1
0
1
Bit 3
0
0
1
0
1
Bit 2
0
0
1
0
1
Bit 1
0
0
1
0
1
Bit 0
0
1
1
0
1
Δt 5
0 ns
5 ns trailing
635 ns trailing
640 ns leading
5 ns leading
Table 121. Register 0x4A—Burst Mode Operation in Resonant Mode
Bits
[7:6]
[5:0]
Name
Burst mode enable
Burst mode offset
R/W
R/W
R/W
Description
These bits are used to enable or disable burst mode operation.
Bit 7
Bit 6
Burst Mode
0
0
Disabled
0
1
Enabled for normal operation, but disabled during soft start
1
0
Disabled
1
1
Enabled for normal operation and during soft start
These bits, along with the highest switching frequency limit, determine the threshold value for
enabling burst mode operation. For information about how to set this value, see the Light Load
Table 122. Register 0x4B—OUTC Fallin g Edge Dead Time in Resonant Mode
Bits
[7:0]
Name
Δt 6 (falling edge dead
time of OUTC)
R/W
R/W
Description
This register sets Δt 6 , which is the leading time of the falling edge of OUTC from the end of the
switching cycle, t C . Each LSB corresponds to 5 ns of resolution.
Bit 7
0
0
1
Bit 6
0
0
1
Bit 5
0
0
1
Bit 4
0
0
1
Bit 3
0
0
1
Bit 2
0
0
1
Bit 1
0
0
1
Bit 0
0
1
1
Δt 6 (ns)
0
5
1275
Table 123. Register 0x4D—OUTD Risin g Edge Dead Time in Resonant Mode
Bits
[7:0]
Name
Δt 7 (rising edge dead
time of OUTD)
R/W
R/W
Description
This register sets Δt 7 , which is the difference between the rising edge of OUTD and the mid-
point of the switching cycle, t B . Each LSB corresponds to 5 ns of resolution. When the register
value is from 0x00 to 0x7F, the rising edge of OUTD is trailing t B . When the value is from 0x80 to
0xFF, the rising edge of OUTD is leading t B .
Bit 7
0
0
0
1
1
Bit 6
0
0
1
0
1
Bit 5
0
0
1
0
1
Bit 4
0
0
1
0
1
Bit 3
0
0
1
0
1
Bit 2
0
0
1
0
1
Bit 1
0
0
1
0
1
Bit 0
0
1
1
0
1
Δt 7
0 ns
5 ns trailing
635 ns trailing
640 ns leading
5 ns leading
Rev. 0 | Page 69 of 72
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