Datasheet > EPMC33730EK

EPMC33730EK

更新时间： 2024-11-09 14:49:59

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
28页	681K
描述
SPECIALTY ANALOG CIRCUIT

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EPMC33730EK 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.6	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
Base Number Matches：	1

EPMC33730EK 数据手册

Document Number: MC33730

Rev. 9.0, 8/2012

Freescale Semiconductor

Advance Information

Switch Mode Power Supply with

Multiple Linear Regulators

33730

The 33730 is a multiple output power supply integrated circuit for

automotive applications. The integrated circuit (IC) incorporates a

switching regulator, which operates over a wide input voltage range

from 4.5 to 26.5 V.

SWITCHING POWER SUPPLY

The step-down switching regulator uses a fixed frequency pulse-

width modulation (PWM) voltage mode control. It has a 3.5 A current

limit (typical) and the slew-rate is adjustable via a control pin to reduce

switching noise. The switching regulator has an adjustable frequency

oscillator, which allows the user to optimize its operation over a wide

range of input voltages and component values.

The linear regulators can be configured either as two Normal mode

regulators (V_DD3, V_DDL) and one standby regulator (V_KAM), or as one

Normal mode linear regulator (V_DDL) and two standby regulators (V_KAM

and V_DD3Standby). Two protected outputs [VREF (1, 2)] are used to

provide power to external sensors.

EK SUFFIX (PB-FREE)

98ARL10543D

32-LEAD SOICW-EP

Features

• Provides all regulated voltages for Freescale 32-bit

microcontroller family

• Adjustable frequency switching buck regulator with slew-rate

control

ORDERING INFORMATION

Temperature

Device

(Add R2 Suffix for

Package

Range (T )

• Power sequencing provided

Tape and Reel)

• Programmable voltages V_DDL, V_DD3- 3% accuracy

• Programmable standby regulator V_KAM- 15% accuracy,

operating down to 4.5 V at the KA_VBAT pin

• V_DD3can be programmed as an optional second standby

regulator with 15% accuracy

MCZ33730EK

MC33730EK *

-40 °C to 125 °C

32-SOICW-EP

* Recommended device for all new designs

• Provides two 5.0 V protected supplies for sensors

• Provides reverse battery protection FET gate drive

• Provides necessary MCU monitoring and fail-safe support

33730

VBAT

BOOT

PFD

KA_VBAT

VIGN

VDDH

INV

VCOMP

5.0 V

VDD3_B

VDD3

IGN_ON

VREF1,2

3.3 V

5.0 V

MCU

(32 Bit)

VDDL_B

VDDL

1.5 V

VKAM

KA_1.0 V

5.0V

GND

HRT

RSTs

REGON

Figure 1. 33730 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...28

中文翻译

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与EPMC33730EK相关器件

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