Datasheet > 935318977557

935318977557

更新时间： 2024-09-20 20:55:27

品牌	Logo	应用领域
恩智浦 - NXP		开关
页数	文件大小	规格书
32页	1783K
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Dual Switching Controller

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935318977557 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
模拟集成电路 - 其他类型：	DUAL SWITCHING CONTROLLER	Base Number Matches：	1

935318977557 数据手册

Document Number: MC34717

Rev 5.0, 12/2014

Freescale Semiconductor

Advance Information

5.0 A 1.0 MHz Fully Integrated

Dual Switch-Mode Power

Supply

34717

The 34717 is a highly integrated, space-efficient, low cost, dual

synchronous buck switching regulator with integrated N-channel

power MOSFETs. It is a high performance dual point-of-load (PoL)

power supply with many desired features for the 3.3 and 5.0 V

environments.

DUAL SWITCH-MODE POWER SUPPLY

Both channels can provide up to 5.0 A of continuous output current

capability with high efficiency and tight output regulation. The second

channel has the ability to track an external reference voltage in

different configurations.

The 34717 SMARTMOS device offers the designer the flexibility of

many control, supervisory, and protection functions to allow for easy

implementation of complex designs. It is housed in a Pb-free,

thermally enhanced, and space efficient 26 pin exposed pad QFN.

Features

EP SUFFIX (PB_FREE)

98ASA00702D

• 50 m integrated N-channel power MOSFETs

• Input voltage operating range from 3.0 to 6.0 V

26-PIN QFN

•

1% accurate output voltages, ranging from 0.7 to 3.6 V

• The second output has voltage tracking capability in different

configurations

• Programmable switching frequency range from 200 kHz to

1.0 MHz

• Programmable soft start timing

• Over-current limit and short-circuit protection

• Thermal shutdown

ORDERING INFORMATION

Temperature

Package

Device

Range (T )

MC34717EP/R2

-40 °C to 85 °C

26 QFN

• Output overvoltage and undervoltage detection

• Active low power good output signal

• Active low shutdown input.

3.0 TO 6.0 V

34717

VIN

PVIN1

PVIN2

BOOT2

SW2

BOOT1

OUT1

SW1

OUT1

MCU

OUT2

VOUT1

VOUT2

INV2

INV1

COMP2

COMP1

PGND1 PGND2

VDDI

FREQ

MASTER

ILIM1

ILIM2

VREFIN

Optional

GND

Figure 1. 34717 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...32

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