Datasheet > RT6150B

RT6150B

更新时间： 2024-03-18 21:39:47

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
13页	182K
描述
Current Mode Buck-Boost Converter

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RT6150B 数据手册

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RT6150A/B

Current Mode Buck-Boost Converter

General Description

Features

^Single Inductor

The RT6150A/B is a high efficiency, fixed frequency, Buck-

BoostDC-DC converter that operates from input voltages

above, below or equal to the output voltage. The topology

incorporated in the IC provides a continuous transfer

function through all operating modes, making the product

ideal for single lithium-ion, multi-cell alkaline or Ni-MH

battery applications where the output voltage is within the

battery voltage range.

^Fixed Frequency Operation with Battery Voltages

^Synchronous Rectification : Up to 90% Efficiency

^Up to 800mA Continuous Output Current

^VOUT Disconnected from VIN during Shutdown

^Power Save Mode (PSM) Enable Control

^<1μA Shutdown Current

^Input Voltage Range: 1.8V to 5.5V

^Fixed 3.3V and Adjustable Output Voltage Options

from 2.5V to 5.5V

The device includes twoN-MOSFET switches and two P-

MOSFET switches for high efficiency operation. Switching

frequency is set at 1MHz to reduce the external

component size. Quiescent current is only 60μA in Power

Save Mode (PSM), maximizing battery life in portable

applications. PSM operation is user controlled and can

be enabled by driving the PS pin low. If the PS pin is

driven high, then fixed frequency switching is enabled.

^10-Lead WDFN Packages

^RoHS Compliant and Halogen Free

Ordering Information

RT6150A/B-

Package Type

QW : WDFN-10L 3x3 (W-Type)

QW : WDFN-10L 2.5x2.5 (W-Type)

Other features include low shutdown current, internal

soft-start control, thermal shutdown protection and current

limit. The RT6150A is available in the WDFN-10L 3x3

package and the RT6150B is available in the WDFN-10L

2.5x2.5 package.

Lead Plating System

G : Green (Halogen Free and Pb Free)

Output Voltage

33 : 3.3V (Only for RT6150B)

A : WDFN-10L 3x3

B : WDFN-10L 2.5x2.5

Applications

Note :

 Portable Products

Richtek products are :

 Handheld Instrumentation

 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.

Simplified Application Circuit

LX1

LX2

RT6150A/B

Battery

VOUT

VIN

OUT

VINA

Enable

GND

is a registered trademark of Richtek Technology Corporation.

DS6150A/B-06 July 2018

www.richtek.com

12 3 4 5 6 7...13

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