Datasheet > NN30295A

NN30295A

更新时间： 2024-11-02 12:26:31

品牌	Logo	应用领域
松下 - PANASONIC		稳压器控制器
页数	文件大小	规格书
27页	1087K
描述
DC-DC Step down Regulator comprising of Controller IC and Power MOSFET with I2C Interface

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NN30295A 数据手册

NN30295A

VIN = 4.5 V to 5.6 V, 6 A Synchronous

DC-DC Step down Regulator comprising of Controller IC

and Power MOSFET with I²C Interface

FEATURES

DESCRIPTION

NN30295A is a synchronous DC-DC Step down

Regulator (1-ch) comprising of a Controller IC and two

power MOSFETs and employs the hysteretic control

system.

z High-Speed Response DC-DC Step Down Regulator

Circuit that employs Hysteretic Control System

z Two 25 mΩ (Typ.)

MOSFETs for High Efficiency at 6 A

zMode Selection Option via I²C:

(1) Pulse Skip Mode (PSM) with coast mode function

for high light load efficiency

(2) Forced Continuous Conduction Mode (FCCM) for

quick load transient response

By this system, when load current changes suddenly, it

responds at high speed and minimizes the changes of

output voltage.

Since it is possible to use capacitors with small

capacitance and it is unnecessary to add external parts

for system phase compensation, this IC realizes

downsizing of set and reducing in the number of external

parts. Output voltage is adjustable by user.

z Up to 6 A Output Current

z Input VoltageRange : AVIN : 4.5 V to 5.6 V,

PVIN : 3.1 V to 5.6 V, VDD : 1.7 V to 3.6 V

Output Voltage Range : 0.6 V to 3.5 V

Selectable Switching Frequency 500 kHz to 2 MHz

( 7 steps ) using I²C : Default 1MHz

Maximum current is 6 A.

APPLICATIONS

High Current Distributed Power Systems such as

・HDDs (Hard Disk Drives)

・SSDs (Solid State Drives)

・PCs

z Adjustable Soft Start

z Low Operating and Standby Quiescent Current

z Open Drain Power Good Indication for Output Over ,

Under Voltage

・Game consoles

z Built-in Under Voltage Lockout (UVLO), Thermal Shut

Down (TSD), Over Voltage Detection (OVD), Under

Voltage Detection (UVD), Over Current Protection

(OCP), Short Circuit Protection (SCP)

・Servers

・Security Cameras

・Network TVs

・Home Appliances

・OA Equipment etc.

zHQFN024-A3-0404A ( Size : 4 mm X 4 mm, 0.5 mm

pitch ), 24pin Plastic Quad Flat Non-leaded Package

Heat Slug Down (QFN Type)

SIMPLIFIED APPLICATION

EFFICIENCY CURVE

VDD

VREG

NN30195A Efficiency 500KHｚ

NN30295A Efficiency 500kHz

100

SCL SDA

PGOOD

VDD

PVIN

AVIN

100k Ω

BST

VOUT

AVIN

0.1μF

1.0μH

NN30295A

FCCM_Vout=1.2V

DCDCOUT

1.0 V

FCCM_Vout=1.8V

FCCM_Vout=3.3V

SKIP_Vout=1.2V

SKIP_Vout=1.8V

SKIP_Vout=3.3V

1.5k Ω

1k Ω

22μF x 2

VFB

10nF

AGND PGND

0.001

0.01

0.1

Load Current[A]

Notes) This application circuit is an example. The operation

of mass production set is not guaranteed. You should

perform enough evaluation and verification on the

design of mass production set. You are fully

responsible for the incorporation of the above

application circuit and information in the design of

your equipment.

Condition )

_IN= 5.0 V, Vout = 1.2 V , 1.8 V , 3.3 V,

Lo = 1 µH, Co = 44 µF (22 µF x 2), Frequency = 500 kHz

Ver. BEB

Publication date: October 2012

12 3 4 5 6 7...27

中文翻译

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与NN30295A相关器件

型号	品牌	获取价格	描述	数据表
NN30310AA	PANASONIC	获取价格	Synchronous DC-DC Step down Regulator comprising of Controller IC and Power MOSFET
NN30312A	PANASONIC	获取价格	Synchronous DC-DC Step down Regulator comprising of Controller IC and Power MOSFET
NN30320A	PANASONIC	获取价格	3 A Synchronous DC-DC Step down Regulator
NN30320A-VB	PANASONIC	获取价格	3 A Synchronous DC-DC Step down Regulator
NN30332A	PANASONIC	获取价格	10 A Synchronous DC-DC Step down Regulator
NN30332A-VB	PANASONIC	获取价格	10 A Synchronous DC-DC Step down Regulator
NN-307	TE	获取价格	SPST Double Break Main Contacts
NN31001A	PANASONIC	获取价格	7 A Synchronous DC-DC Step down Regulator,
NN325-Q1	TI	获取价格	多感应触摸管理器
NN325TRHARQ1	TI	获取价格	多感应触摸管理器 \| RHA \| 40 \| -40 to 105

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