Datasheet > RT5035D

RT5035D

更新时间： 2024-02-11 17:14:33

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
45页	2899K
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RT5035D 技术参数

Status：	Active	Vin (min) (V)：	1.7
Vin (max) (V)：	5.5	Number of Channels：	10
Number of Buck Converters：	4	Number of Boost Converters：	2
Number of Negative Outputs：		Number of LED Drivers：	1
Number of LDO Regulators：	3	Features：	External Synchronization;Internal Compensation;OCP;OVP;UVP
Package Type：	WQFN5x5-40	Datasheet：	https://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DS5035CD-01.pdf

RT5035D 数据手册

RT5035C/D

7+3 Channel DC-DC Converters with RTC and I²C Interface

General Description

Features

 CH1 Sync Step-Up in PWM Mode or Async

Step-Up in Pulse Frequency Mode

 CH2 Current Mode Sync Step-Up/Down

 CH3/CH4/CH5 Current Mode Sync Step-Down

 SW4 Load Switch with Soft-Start Inrush Control

And Current Limit

The RT5035C/D is a highly-integrated DSC Power

Management IC that contains 7CH switching DC-DC

converters and two generic LDOs, one keep-alive

low-quiescent LDO for RTC, one load switch with

soft-start control and current limit, a switch with reverse

leakage prevention for backup battery, and

 CH6 Generic Low Voltage LDO for CMOS Sensor

 CH7 WLED Driver in Async Step-Up Mode

 Open LED Protection

Real-Time-Clock (RTC) including time counter and

32768Hz oscillator. The DC-DC converters are one

low-voltage Step-Up operated in either Async-PFM or

Sync-PWM, one current mode Sync Step-Up/Down

(Buck-Boost), four Sync Step-Down, and one Asyn

Step-Up for WLED driver. All power MOS are

integrated. And compensation networks are built in.

The RT5035C/D uses I²C interface to set power-on

and power-off timing, output voltage, and WLED

current and dimming level, and also access RTC time

counters and oscillator fine-tuning. The RT5035C/D

dedicate for CMOS image sensor application by

providing one Sync Step-Down, one LDO, and one

load switch. The RT5035C/D also provides rich

protection functions include Over-Current Protection,

Under-Voltage Protection, Over-Voltage Protection,

 32 Dimming Levels

 CH8 Generic Low Voltage LDO for Multiple

Purpose Power Supply

 CH9 Keep-Alive Low-Quiescent LDO

 CH10 Sync Step-Down or Async Step-down in

Pulse Frequency Mode for Memory Standby

Mode Application

 LV Sync Step-Down DC-DC Converter High

Efficiency Up to 95%

 100% (Max) Duty Cycle for CH3, CH4, CH5, CH10

 I²C Control Interface to Program Enable, Power

On/Off Delay Time, Output Regulated Voltage,

WLED Dimming Current

 RTC Timer And Oscillator

Over-Temperature

Protection,

and

Over-Load

 Fixed 2MHz Switching Frequency for CH1, CH3,

CH4, CH5, CH10

Protection. The RT5035C/D is available in WQFN-40L

5x5 package.

 Fixed 1MHz Switching Frequency for CH2, CH7

Applications

 Digital Cameras

 Portable Instruments

Simplified Application Circuit

RT5035C/D

Step-Up for Motor

Step-Up/Down for I/O

Step-Down for Core

Step-Down for CMOS

Load Switch for CMOS

Step-Down for CMOS

LDO for CMOS

BAT

VOUT1

VOUT2

VOUT3

VOUT4

VDDM

SWO

VOUT5

VOUT6

SCL

SDA

I C Control

C32K

LX7

VOUT8

Step-Up for LED Backlight

LDO for HDMI

SYNC

RESET

RTCPWR

VOUT10

LDO for RTC

Step-Down for Memory

GND

is a registered trademark of Richtek Technology Corporation.

DS5035C/D-01 February 2020

www.richtek.com

12 3 4 5 6 7...45

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