Datasheet > RT8295B

RT8295B

更新时间： 2024-11-12 12:23:39

品牌	Logo	应用领域
立锜 - RICHTEK		转换器
页数	文件大小	规格书
14页	290K
描述
2A, 23V, 1.2MHz Synchronous Step-Down Converter

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中文翻译

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技术参数
数据手册

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RT8295B 技术参数

Status：	Active	Vin (min)(V)：	4.5
Vin (max)(V)：	23	Number of Outputs：	1
Vout (min)(V)：	0.8	Vout (max)(V)：	15
Preset Vout(V)：		Output Adj. Method：	Resistor
Iout (max)(A)：	2	Current Limit (typ)(A)：	4.3
Freq (typ)(kHz)：	1200	Freq (min)(kHz)：
Freq (max)(kHz)：		Ext Sync：	No
Ron_HS (typ)(mOhm)：	130	Ron_LS (typ)(mOhm)：	130
Iq (typ)(mA)：	0.8	Features：	Adjustable Soft-Start;Current Mode Control;Enable Input;OCP;PSM;Stable with Ceramic Capacitor;UVP
Package Type：	PSOP-8

RT8295B 数据手册

RT8295B

2A, 23V, 1.2MHz Synchronous Step-Down Converter

General Description

Features

1.5% High Accuracy Feedback Voltage

The RT8295B is a high-efficiency, monolithic synchronous

step-down DC/DC converter that can deliver up to 2A

output current from a 4.5V to 23V input supply. The

RT8295B's current mode architecture and external

compensation allow the transient response to be

optimized over a wide range of loads and output capacitors.

Cycle-by-cycle current limit provides protection against

shorted outputs and soft-start eliminates input current

surge during start-up. The RT8295B also provides under

voltage protection and thermal shutdown protection. The

low current (<3μA) shutdown mode provides output

disconnection, enabling easy power management in

battery-powered systems. The RT8295B is available in a

SOP-8 (Exposed Pad) package.

^z4.5V to 23V Input Voltage Range

^z2A Output Current

^zIntegrated N-MOSFET Switches

^zCurrent Mode Control

^zFixed Frequency Operation : 1.2MHz

^zAdjustable Output from 0.8V to 15V

^zUp to 95% Efficiency

^zProgrammable Soft-Start

^zStable with Low-ESR Ceramic Output Capacitors

^zCycle-by-Cycle Over Current Protection

^zInput Under Voltage Lockout

z Output Under Voltage Protection

z Thermal Shutdown Protection

z RoHS Compliant and Halogen Free

Ordering Information

Applications

RT8295B

Package Type

SP : SOP-8 (Exposed Pad-Option 1)

z Wireless AP/Router

z Set-Top-Box

Lead Plating System

z Industrial and Commercial Low Power Systems

z LCDMonitors and TVs

G : Green (Halogen Free and Pb Free)

Z : ECO (Ecological Element with

Halogen Free and Pb free)

z Green Electronics/Appliances

z Point of Load Regulation of High-PerformanceDSPs

H : UVP Hiccup

L : UVP Latch-Off

Pin Configurations

Note :

(TOP VIEW)

Richtek products are :

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

BOOT

VIN

GND

COMP

GND

SOP-8 (Exposed Pad)

Marking Information

RT8295BxZSP

RT8295BxGSP

RT8295BxGSP : Product Number

RT8295BxZSP : Product Number

x : H or L

RT8295Bx

x : H or L

GSPYMDNN

ZSPYMDNN

YMDNN : Date Code

DS8295B-03 March 2011

www.richtek.com

12 3 4 5 6 7...14

中文翻译

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与RT8295B相关器件

型号	品牌	获取价格	描述	数据表
RT8295BHGSP	RICHTEK	获取价格	IC REG BUCK ADJ 2A SYNC 8SOP
RT8296A	RICHTEK	获取价格	3A, 23V, 340kHz Synchronous Step-Down Converter
RT8296AHZSP	RICHTEK	获取价格	IC REG BUCK ADJ 3A SOP-8
RT8296B	RICHTEK	获取价格	3A, 23V, 1.2MHz Synchronous Step-Down Converter
RT8297A	RICHTEK	获取价格	1.5A, 17V, 340/800kHz Synchronous Step-Down Converter
RT8297B	RICHTEK	获取价格	暂无描述
RT8298	RICHTEK	获取价格	6A, 24V, 600kHz Step-Down Converter with Synchronous Gate Driver
RT8298A	RICHTEK	获取价格	暂无描述
RT8298E	RICHTEK	获取价格	暂无描述
RT8299	RICHTEK	获取价格	3A, 24V, 500kHz Synchronous Step-Down Converter

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