Datasheet > BD65B60GWL

BD65B60GWL

更新时间： 2022-02-26 12:59:53

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
51页	795K
描述
White LED Driver

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BD65B60GWL 数据手册

Datasheet

Max. 28.5V Output 2Strings(25mA/ch)

White LED Driver

BD65B60GWL

●General Description

●Key Specifications

BD65B60 is a white LED driver IC that integrates PWM

step-up DC/DC converter with boost-capability of up to

maximum 28.5V and current driver with drive capability of up

to 25mA(Typ.) maximum setting. Precise brightness can be

controlled at wide ranges through the external PWM pulse

input.

This IC features highly accurate current drivers with low

differential current errors between channels, thus, reducing

brightness spots on the LCD panel. Moreover, its small

package is suited for saving space.

 Input voltage range:

2.7V to 5.5V

Max. 28.5V

2ch or 1ch

 Output voltage range:

 Operational LED Channel:

 Switching frequency:

 LED Current per Channel:

 LED current accuracy:

 Quiescent current

0.6MHz/1.1MHz(Typ.)

25mA (Max.)

±3.0% (Max.)

0μA (Typ.)

-40°C to +85°C

 Operating temperature range:

●Package

W(Typ.) x D(Typ.) x H(Max.)

UCSP50L1 (12pin) 1.40mm x 1.80mm x 0.55mm

●Features

 High efficiency PWM step-up DC/DC converter

f_SW1= 1.1MHz(Typ.), f_SW2= 0.60MHz(Typ.)

 High accuracy & good matching current drivers (2ch)

 Soft Start function

 Drives up to 8 LEDs in series per channel

 Lower input voltage range requirement (2.7V to 5.5V)

●Applications

Backlight for smartphones, games, digital video cameras,

digital single-lens reflexes, digital still cameras, digital photo

frames, Portable DVD player, etc.

●Pin Configuration (Bottom View)

●Typical Application Circuit

VOUT

LED2

10μH

2.7V to 5.5V

COUT

GND

VBAT

ISET

RESET

PWM

VIO

LED1

SCL

SDA

CVBAT

VOUT

VBAT

1.65V to 3.3V

CVIO

VIO

SCL

BD65B60GWL

LED1

SDA

Controller

LED2

RESET

ISET

GND

PWM

PWMIN

RSET

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

.www.rohm.com

TSZ02201-0G3G0C210420-1-2

3.JUN.2013 Rev.001

1/47

TSZ22111・14・001

12 3 4 5 6 7...51

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