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IRL2703S Datasheet

  • IRL2703S

  • 1.5 A Switch-Mode Power Supply with Linear Regulator

  • 38頁

  • FREESCALE

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Freescale Semiconductor
Technical Data
MC33701
Rev 4.0, 05/2005
1.5 A Switch-Mode Power
Supply with Linear Regulator
The 34701 provides the means to efficiently supply the Freescale
Power QUICC鈩?I, II, and other families of Freescale
microprocessors and DSPs. The 34701 incorporates a high-
performance switching regulator, providing the direct supply for the
microprocessor鈥檚 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 N-channel power MOSFETs to provide
protection features and to allow space-efficient, compact design.
The 34701 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
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Operating Voltage from 2.8 V to 6.0 V
High-Accuracy Output Voltages
Fast Transient Response
Switcher Output Current Up to 1.5 A
Undervoltage Lockout and Overcurrent Protection
Enable Inputs and Programmable Watchdog Timer
Voltage Margining via I
2
C鈩?Bus
Reset with Programmable Power-ON Delay
Pb-Free Packaging Designated by Suffix Code EK
I
2
C is a trademark of Philips Corporation.
34701
POWER SUPPLY
INTEGRATED CIRCUIT
EK (Pb-FREE) SUFFIX
98AARH99137A
32-TERMINAL SOICW
ORDERING INFORMATION
Device
MC34701EK/R2
Temperature
Range (T
A
)
-40 to 85擄C
Package
32 SOICW
2.8 V to 6.0 V Input
34701
VIN2
VBD
VBST
RT
VIN1
LDRV
CS
LDO
LFB
MPC8xxx
RST
BOOT
SW
VOUT
PGND
INV
VDDI
VBST
Adjustable:
0.8 V to VIN -
Dropout
PORESET
Other
Circuits
Adjustable:
0.8 V to VIN -
Dropout
VDDH (I/Os)
ADDR
SDA
SCL
GND
EN1
EN2
CLKSYN
CLKSEL
Optional
FREQ
VDDL (Core)
Figure 1. 34701 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
漏 Freescale Semiconductor, Inc., 2005. All rights reserved.

IRL2703S 產(chǎn)品屬性

  • 50

  • 分離式半導(dǎo)體產(chǎn)品

  • FET - 單

  • HEXFET®

  • MOSFET N 通道，金屬氧化物

  • 邏輯電平門

  • 30V

  • 24A

  • 40 毫歐 @ 14A，10V

  • 1V @ 250µA

  • 15nC @ 4.5V

  • 450pF @ 25V

  • 45W

  • 表面貼裝

  • TO-263-3，D²Pak（2 引線+接片），TO-263AB

  • D2PAK

  • 管件

  • *IRL2703S

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