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MC33998R2 数据表 (PDF) - Freescale Semiconductor, Inc

MC33998R2 Datasheet PDF - Freescale Semiconductor, Inc
部件名 MC33998R2
下载  MC33998R2 下载

文件大小   442.35 Kbytes
  20 Pages
制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc
功能描述 Switching Power Supply with Linear Regulators

MC33998R2 Datasheet (PDF)

Go To PDF Page 下载 数据表
MC33998R2 Datasheet PDF - Freescale Semiconductor, Inc

部件名 MC33998R2
下载  MC33998R2 Click to download

文件大小   442.35 Kbytes
  20 Pages
制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc
功能描述 Switching Power Supply with Linear Regulators

MC33998R2 数据表 (HTML) - Freescale Semiconductor, Inc

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MC33998R2 产品详情

The 33998 is a medium-power, multi-output power supply integrated circuit that is capable of operating over a wide input voltage range, from 6.0 V up to 26.5 V with 40 V transient capability.

It incorporates a sensorless current mode control step-down switching controller regulating directly to 5.0 V. The 2.6 V linear regulator uses an external pass transistor to reduce the 33998 power dissipation. The 33998 also provides a 2.6 V linear standby regulator and two 5.0 V sensor supply outputs protected by internal low resistance LDMOS transistors.

There are two separate enable pins for the main and sensor supply outputs and standard supervisory functions such as resets with power-up reset delay. The 33998 provides proper power supply sequencing for advanced microprocessor architectures such as the MPC5xx and 683xx microprocessor families.



Features

• Operating Voltage Range 6.0 V up to 26.5 V (40 V transient)

• Step-Down Switching Regulator Output VDDH = 5.0 V @ 1400 mA (total)

• Linear Regulator with External Pass Transistor VDDL = 2.6 V @ 400 mA

• Low-Power Standby Linear Regulator VKAM = 2.6 V @ 10 mA

• Two 5.0 V @ 200 mA (typical) Sensor Supplies VREF Protected

   Against Short-to-Battery and Short-to-Ground with Retry Capability

• Undervoltage Shutdown on the VDDL, VDDH Outputs with Retry Capability

• Reset Signals

• Power-Up Delay

• Enable Pins for Main Supplies (EN) and Sensor Supplies (SNSEN)

• Power Sequencing for Advanced Microprocessor Architectures

• Pb-Free Packaging Designated by Suffix Code EG



 




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关于 Freescale Semiconductor, Inc


Freescale Semiconductor是一家美国半导体公司,成立于1948年。
该公司是微控制器,传感器和其他半导体产品的领先提供商,用于汽车,工业和消费市场中的各种应用。
Freescale的产品以其高性能,低功耗和较小的外形而闻名。
该公司是NXP半导体在2015年收购的,其产品和技术继续以NXP品牌开发和出售。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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