参数资料
型号: SI8506-B-IM
厂商: Silicon Laboratories Inc
文件页数: 23/36页
文件大小: 0K
描述: SENSOR CURR 20A 5.5V UNI 12QFN
标准包装: 74
电流 - 感应: 20A
精确度: ±5%
电流 - 电源: 4mA
传感器类型: 闭环
电源电压: 2.7 V ~ 5.5 V
输出: 可配置
频率: 50kHz ~ 1MHz
电极标记: 单向
工作温度: -40°C ~ 125°C
封装/外壳: 12-VFQFN
包装: 管件
其它名称: 336-1418-5
Si85xx
3.6. Push-Pull Converter Example
The Push-Pull converter of Figure 20 uses 2-Wire Ping Pong output mode. As shown in the timing diagram, the
integrator reset occurs when the inputs of both the PH1 and PH2 drivers are low. As shown, TRST is connected to
VDD, selecting the default value of t R (250 ns). Assuming an 80% maximum duty cycle, this value of t R would
deliver specified accuracy over a PWM frequency range of 50 to 400 kHz. Frequencies above 400 kHz would
require the selection of a lower t R value by connecting a resistor from TRST to ground.
VDD
VIN
C1
C2
0.1 μF
1 μF
VDD MODE
R4
IIN
OUT1
TRST
R3
Si851x
OUT2
R2
R1
IOUT
GND
Q1
PH2
PH1
PH2
T1
Si85xx Status
MEASURE
RESET
MEASURE
RESET
MEASURE
OUT1
PH1
Q2
OUT2
Figure 20. Push-Pull Example Using Default t R Value
Preliminary Rev. 0.4
23
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