参数资料
型号: ADP1046ACPZ-RL
厂商: Analog Devices Inc
文件页数: 65/92页
文件大小: 0K
描述: IC DGTL CTRLR 32LFCSP
标准包装: 5,000
应用: 电源
输入电压: 0 V ~ 1.6 V
电源电压: 3 V ~ 3.6 V
电流 - 电源: 20mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-WQ(5x5)
包装: 带卷 (TR)
Data Sheet
ADP1046
PWM AND SYNCHRONOUS RECTIFIER TIMING REGISTERS
Figure 56 and Table 63 to Table 93 describe the implementation and programming of the seven PWM signals that are output from the
ADP1046 . In general, it is recommended that t 1 be set to 0 and that t 1 be set as the reference point for the other signals.
t 2
PWM1 (OUTA)
t 1
t 4
PWM2 (OUTB)
t 3
t 5
PWM3 (OUTC)
PWM4 (OUTD)
SYNC RECT 1 (SR1)
SYNC RECT 2 (SR2)
PWM5 (OUTAUX)
t 12
t 13
t 6
t 11
t 14
t 7
t 10
t 8
t 9
t PERIOD
Figure 56. PWM Timing Diagram
Table 63. Register 0x3F—OUTAUX Switching Frequency Setting
t PERIOD
Bits
7
Bit Name
Pulse skipping
R/W
R/W
Description
Setting this bit enables pulse skipping mode. If the ADP1046 requires a duty cycle lower than
the modulation low limit, pulse skipping is enabled.
6
[5:0]
Pulse skipping zero
PWM
Switching frequency
R/W
R/W
0 = pulse skipping drives all modulated PWM outputs to 0 V.
1 = sets all modulated edges to t = 0 (the crossing rule set in Register 0x52[0] applies).
This register sets the switching frequency of the OUTAU X signal.
Bit 5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit 4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
Bit 3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
Bit 2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
Bit 1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
Bit 0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Frequency (kHz)
48.83
50.40
52.08
53.88
55.80
57.87
60.1
62.5
65.1
67.93
71.02
74.4
78.13
82.24
86.81
91.91
97.66
100.81
104.17
Rev. B | Page 65 of 92
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