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| 型号： | MC33701 |
| 厂商： | 飞思卡尔半导体(中国)有限公司 |
| 英文描述： | 1.5 A Switch-Mode Power Supply with Linear Regulator(1.5 A开关方式电源，带线性稳压器) |
| 中文描述： | 1.5开关模式电源，线性稳压器（1.5 A的开关方式电源，带线性稳压器） |
| 文件页数： | 1/24页 |
| 文件大小： | 841K |
| 代理商： | MC33701 |
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
33701 Simplified Application Diagram
This document contains information on a product under development.
Motorola reserves the right to change or discontinue this product without notice.
Motorola, Inc. 2003
Order this document from Analog Marketing: MC33701/D
Rev 1.0, 05/2003
33701
Preliminary Information
ORDERING INFORMATION
Device
Temperature
Range (T
A
)
Package
PC33701DWB/R2
-40 to 85°C
32 SOICW
1.5 A Switch-Mode Power Supply
with Linear Regulator
The 33701 provides the means to efficiently supply the Power QUICC I,
II, and other families of Motorola microprocessors and DSPs. The 33701
incorporates a high-performance switching regulator, providing the direct
supply for the microprocessor’s core, and a low dropout (LDO) linear regulator
control circuit providing the microprocessor I/O and bus voltage.
The switching regulator is a high-efficiency synchronous buck regulator with
integrated 50 m
N-channel power MOSFETs to provide protection features
and to allow space-efficient, compact design.
The 33701 incorporates many advanced features; e.g., precisely
maintained up/down power sequencing, ensuring the proper operation and
protection of the CPU and power system.
Features
Operating Voltage: 2.8 V to 6.0 V
High-Accuracy Output Voltages
Fast Transient Response
Switcher Output Current Up to 1.5 A
Undervoltage Lockout
Power Sequencing
Programmable Watchdog Timer
Voltage Margining via I
2
C Bus
Overcurrent Protection
Reset with Programmable Power-ON Delay
Enable Inputs
I
2
C is a trademark of Phillips Corporation.
POWER SUPPLY
INTEGRATED CIRCUIT
Other
Circuits
ADDR
SDA
SCL
LDRV
LDO
LFB
CS
RT
RESET
BOOT
VDDH (I/Os)
VDDL (Core)
SW
MPC8XXX
PGND
INV
EN1
EN2
MC33703
2.8 V to 6.0 V
VIN2
VBST
VBD
CLKSYN
CLKSEL
FREQ
Optional
PORESET
0.8 to 5.0 V
(Adjustable)
0.8 to 5.0 V
(Adjustable)
VIN1
V
GND
VOUT
VBST
SR
V
LDO
=
V
OUT
=
DWB SUFFIX
CASE 1324-02
32-LEAD SOICW
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33720 | 制造商:PRIVATE LABEL 功能描述:AXIAL FAN, 254MM, 125VAC, 1A, Supply Voltage:125VAC, Flow Rate - Imperial:935cu. |
| MC33730EK | 功能描述:开关变换器、稳压器与控制器 SW MODE P/S W/ MULT REG RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MC33730EKR2 | 功能描述:开关变换器、稳压器与控制器 SW MODE P/S W/ MULT REG RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MC3373P | 制造商:Motorola Inc 功能描述: |
| MC33742DW | 功能描述:网络控制器与处理器 IC SBC-E-HS RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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