Datasheet > 935313896528

935313896528

更新时间： 2024-09-26 21:13:43

品牌	Logo	应用领域
恩智浦 - NXP		开关
页数	文件大小	规格书
34页	1237K
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Dual Switching Controller

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935313896528 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.72
模拟集成电路 - 其他类型：	DUAL SWITCHING CONTROLLER	Base Number Matches：	1

935313896528 数据手册

Document Number: MC34716

Rev. 8.0, 4/2016

NXP Semiconductors

Data sheet: Technical Data

1.0 MHz dual switch-mode DDR

power supply

34716

The 34716 is a highly integrated, space-efficient, low cost, dual synchronous

buck switching regulator with integrated N-channel power MOSFETs. It is a

high performance point-of-load (PoL) power supply with its second output

having the ability to track an external reference voltage. it provides a full power

supply solution for Double-Data-Rate (DDR) Memories.

DUAL SWITCH-MODE DDR POWER

SUPPLY

Channel one provides a source only, 5.0 A drive capability, while channel two

can sink and source up to 3.0 A. With its high current drive capability, channel

one can be used to supply the VDDQ to the memory chipset. The second

channel’s ability to track a reference voltage provides an ideal means of

supporting the termination voltage (VTT) required by modern data buses such

as Double-Data-Rate (DDR) memory buses, including, but not limited to DDR,

DDR2, DDR3 and Low power DDR3/DDR4 memories. Both channels are

highly efficient with tight output regulation. The 34716 also provides a buffered

output reference voltage (VREFOUT) to the memory chipset.

The 34716 SMARTMOS device offers a variety of control, supervisory and

protection functions that simplify the implementation of complex designs. It is

housed in a Pb-free, thermally enhanced and space efficient 26-pin exposed

pad QFN.

EP SUFFIX

98ASA00702D

26-PIN QFN

Features

• 50 m integrated N-channel power MOSFETs

• Input voltage operating range from 3.0 to 6.0 V

•

1% accurate output voltages, ranging from 0.6 to 3.6 V

• The second output tracks 1/2 an external reference voltage

1% accurate buffered reference output voltage

•

• Programmable switching frequency range from 200 kHz to 1.0 MHz

• Programmable soft start timing for channel one

• Over-current limit and short-circuit protection on both channels

• Thermal shutdown

• Output over-voltage and under-voltage detection

• Active low power good output signal

• Active low standby and shutdown inputs

34716

3.0 V to 6.0 V

PVIN2

VIN

DDQ

VREFIN

BOOT2

PVIN1

BOOT1

DDQ

SW2

SW1

VOUT1

VOUT2

Termination

Resistors

VDDQ

INV2

INV1

DDR Memory

Chipset

DDR Memory

Controller

Memory Bus

COMP1

PGND1

COMP2

VREFOUT

PGND2

V_REF

VDDI

FREQ

MCU

STBY

ILIM1

GND

Figure 1. Simplified application diagram

12 3 4 5 6 7...34

中文翻译

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935313952557	NXP	获取价格	Microcontroller
935313964557	NXP	获取价格	RISC Microprocessor
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935313973574	NXP	获取价格	Microcontroller
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935314056557	NXP	获取价格	Multifunction Peripheral

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