Datasheet > ZLED7730

ZLED7730

更新时间： 2024-11-27 01:07:51

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
22页	615K
描述
High Current 40V LED Driver with Switch Dimming

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中文翻译

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ZLED7730 数据手册

ZLED7x30

High Current 40V LED Driver

with Switch Dimming

Datasheet

Brief Description

Features

• Switch dimming with multiple levels

The ZLED7x30 continuous-mode inductive step-

down converter family is one of our ZLED LED-

control ICs. It is designed for applications requiring

high brightness and high current. The ZLED7x30

can efficiently drive a single LED or multiple

series-connected LEDs from a voltage input higher

than the LED forward voltage (Vin = 8.5 to

40VDC). It provides an adjustable output current

(1.2A maximum), which is set via an external

resistor and controlled by the ZLED7x30’s

integrated high-side output current-sensing circuit

and high speed internal 40V power switch. Its low

conducting impedance ensures high system effi-

ciency.

• Three modes for output level settings

• Up to 1.2A output current

• Internal 40V power switch

• Wide DC input voltage range 8.5 to 40 VDC

• Output current accuracy: 5% (typical)

• LED open-circuit protection

• Thermal shutdown protection

Benefits

• High efficiency: up to 98%

• Very few external components needed for

operation

The ZLED7x30 provides a switch dimming func-

tion. It detects external switch action to adjust out-

put current, allowing dimming functionality to be

achieved without changing the original lighting sys-

tem circuitry.

• Adds switch dimming function to existing

installation

Available Support

• Evaluation Kit

The switch dimming is implemented in either two-

level mode or three-level mode. The output current

of every level and the total number of levels are

customer selected by setting the corresponding

input conditions of DIM1 and DIM2 pin.

Physical Characteristics

• Operating temperature: -40°C to 105°C

• Switching frequency: up to 1MHz

• SOP-8 package

The ZLED7x30 enables diverse industrial and

consumer lighting applications requiring high

driving currents, wide operating voltage range,

high efficiency, and variable brightness control. It

offers over-temperature and LED open-circuit

protection. The ZLED7x30 can also minimize bill-

of-material costs because very few external

components are required for most applications.

Only a resistor, a diode, an inductor, and three

ZLED7x30 Family Selection Matrix

Product

ZLED7030

ZLED7330

ZLED7530

ZLED7730

Max. Current Output

Package

SOP-8

1.2A

1.0A

0.75A

0.35A

capacitors are needed for

application.

typical basic

ZLED7x30 Typical Application Circuit

Switch

Vs = 8.5 to 40 VDC

(C3)

LED

String

Vin

I _SENSE

33 to 220 µH

ZLED7x30

≥220µF

0.1µF

DIM1

DIM2

GND/Floating

GND

April 20, 2016

12 3 4 5 6 7...22

中文翻译

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与ZLED7730相关器件

型号	品牌	获取价格	描述	数据表
ZLED7730-ZI1R	ETC	获取价格	High Current 40V LED Driver with Switch Dimming
ZLED-PCB1	IDT	获取价格	40V LED Driver with Temperature Compensation
ZLED-PCB2	IDT	获取价格	40V LED Driver with Temperature Compensation
ZLF100	ARCH	获取价格	LED Power
ZLF100_16	ARCH	获取价格	Open Frame LED Power Supply
ZLF100-24S	ARCH	获取价格	LED Power
ZLF100-36S	ARCH	获取价格	LED Power
ZLF100-48S	ARCH	获取价格	Open Frame LED Power Supply
ZLF100-54S	ARCH	获取价格	LED Power
ZLF60	ARCH	获取价格	LED Power

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