参数资料
型号: KIT13892VLEVBEJ
厂商: Freescale Semiconductor
文件页数: 84/158页
文件大小: 0K
描述: KIT EVAL FOR MC13892
标准包装: 1
主要目的: 电源管理和用户界面
嵌入式:
已用 IC / 零件: MC13892
主要属性: 10 位 ADC,4 输出降压转换器,12 LDO
次要属性: 与 i.MX51、i.MX37、i.MX35、i.MX27 一起使用
已供物品: 板,线缆,文档
FUNCTIONAL DEVICE OPERATION
SUPPLIES
? Short-circuit protection (SCP) is included on certain LDOs (see the SCP section later in this chapter). Exceeding the SCP
threshold will disable the regulator and generate a system interrupt. The output voltage will not sag below the specified voltage
for the rated current being drawn. For the lower current LDOs without SCP, they are less accessible to the user environment
and essentially self-limiting.
? The power tree of a given application must be scrubbed for critical use cases to ensure consistency and robustness in the
power strategy.
TRANSIENT RESPONSE WAVEFORMS
The transient load and line response are specified with the waveforms as depicted in Figure 25 . Note that the transient load
response refers to the overshoot only, excluding the DC shift itself. The transient line response refers to the sum of both overshoot
and DC shift. This is also valid for the mode transition response.
Figure 25. Transient Waveforms
SHORT-CIRCUIT PROTECTION
The higher current LDOs and those most accessible in product applications include short-circuit detection and protection
(VVIDEO, VAUDIO, VCAM, VSD, VGEN1, VGEN2, and VGEN3). The short-circuit protection (SCP) system includes debounced
fault condition detection, regulator shutdown, and processor interrupt generation, to contain failures and minimize chance of
MC13892
Analog Integrated Circuit Device Data
84
Freescale Semiconductor
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