Datasheet > BD8316GWL

BD8316GWL

更新时间： 2024-11-05 11:08:19

品牌	Logo	应用领域
罗姆 - ROHM		开关软启动二极管稳压器
页数	文件大小	规格书
23页	1314K
描述
BD8316GWL是搭载了升压、反转2个信道的二极管整流型电流模式控制的开关稳压器。内置SW用FET和带软启动功能的升压负载SW，可减少外接部件。此外，各信道还可独立控制，因此可轻松构建非动作信道的低功耗序列。

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BD8316GWL 数据手册

Datasheet

Single-chip Type with Built-in FET Switching Regulator Series

Step-up and inverted

2-channel DC/DC converter

with Built-in Power MOSFET

BD8316GWL

●Description

The BD8316GWL is step-up and inverted 2-channel

●Important Specifications

■

Input voltage range

Output boost voltage

Output inverted voltage

Maximum current

Operating frequency

Nch FET ON resistance

Pch FET ON resistance

Standby current

2.5～5.5 [V]

Input voltage(max)~18 [V]

-9.0～-1.0 [V]

switching regulator with integrated internal high-side

MOSFET. With wide input range from 2.5~5.5V ,it

suitable for application of portable item. In addition,The

small package design is ideal for miniaturizing the

power supply.

1[A](max)

1.6 [MHz] (typ.)

230[mΩ]

1[μA](max)

●Features

Wide input voltage range of 2.5V to 5.5 V

■

●Package

UCSP50L1 (WLCSP)

1.8mm×1.5mm×0.5mm, 4×3glid,11pin,

High frequency operation 1.6MHz

Incorporates Nch FET of 230mΩ/22V and Pch

Pow FET of 230mΩ/15V

■

Incorporates Soft Start (4.2msec(typ))and hight

side switch of boost channel

Independent ON/OFF signal(STB). Built-in

discharge SW for step up channel

Small package UCSP50L1( 1.8mm×1.5mm, 4×

3 grid, 11pin, WLCSP)

Circuits protection OCP,SCP,UVLO,TSD

●Application

LCD battery

■

CCD battery

■

Portable items that are represented by mobile phone

and DSC

●Typical Application Input: 2.5 to 5.5 V, ch1 output: 5.6 V / 200m A, ch2 output:5.6V/200mA

0.1uF/10V

10kΩ

56kΩ

Vout1: -5.6V/200mA

4.7uF/10V

4.7uH

VREF

VDD

NON1

LX1

Vin→

2.5～5.5V

4.7uF/10V

DIS1

EN CH1→

EN CH２→

STB1

STB2

HS2L

LX2

4.7uH

Vout2: 5.6V/200mA

GND

INV2

4.7uF/10V

180kΩ

30kΩ

Fig.1 Application schematic

www.rohm.com

TSZ02201-0Q1Q0AJ00170-1-2

2012.08.03 Rev. 003

1/20

TSZ22111・14・001

12 3 4 5 6 7...23

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