Datasheet > ZLED7020

ZLED7020

更新时间： 2024-11-24 01:07:51

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
27页	556K
描述
High Current 40V LED Driver with Internal Switch

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中文翻译

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ZLED7020 数据手册

ZLED7x20

High Current 40V LED

Datasheet

Driver with Internal Switch

Brief Description

Benefits

The ZLED7x20 continuous-mode inductive step-

down converter family is part of our line of LED-

control ICs. It is designed for applications requiring

high brightness and high current. It can efficiently

drive a single LED or multiple series-connected

LEDs from a voltage input higher than the LED for-

ward voltage: Vin = 6 to 40 VDC. It provides an

adjustable output current ≤1.2A, which is set via an

external resistor and controlled by the ZLED7x20’s

integrated high-side output current-sensing circuit

and high speed internal 40V power switch. An

external control signal, which can be a DC voltage,

PWM, or microcontroller-generated waveform, on

the ADJ pin can also be used to linearly adjust a

continuous output current or to control a gated out-

put current.

• High efficiency: up to 98%

• Single pin on/off and brightness control using

DC voltage or PWM

• Very few external components needed for

operation

• Footprint compatible with our ZLED7000

depending on the application.

Available Support

• Evaluation Kit

Physical Characteristics

• Operating junction temperature: -40°C to 125°C

• Switching frequency: up to 1MHz

The output can be turned off by applying a voltage

lower than 0.2V to the ADJ pin, which puts the

ZLED7x20 in a low-current standby state.

ZLED7x20 Family Selection Matrix

Product

ZLED7020

ZLED7320

ZLED7520

ZLED7720

Max. Current Output

Package

SOT89-5

DFN-5

The ZLED7x20 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 pro-

tection. The ZLED7x20 can also minimize bill-of-

material costs because very few external com-

ponents are required for most applications. Only a

resistor, a diode, an inductor, and three capacitors

are needed for a typical basic application.

1.2A

1.0A

0.75A

0.35A

DFN-5

ZLED7x20 Typical Application Circuit

Features

Vs = 6 to 40 VDC

• Up to 1.2A output current

• Internal 40V power switch

• Wide DC input voltage range 6 to 40 VDC

• Output current accuracy: 3% (typical)

• Dimming ratio: 1200:1

(C3)

LED

String

Vin

I _SENSE

• LED open-circuit protection

• Thermal shutdown protection

(C1)

0.1µF

ZLED7x20

33µH to

220µH

ADJ

GND

April 20, 2016

12 3 4 5 6 7...27

中文翻译

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与ZLED7020相关器件

型号	品牌	获取价格	描述	数据表
ZLED7020KIT-D1	ETC	获取价格	High Current 40V LED Driver with Internal Switch
ZLED7020-ZI1R	ETC	获取价格	High Current 40V LED Driver with Internal Switch
ZLED7022	IDT	获取价格	Low-Voltage Six-Channel LED Driver
ZLED7022KIT-E1	IDT	获取价格	Low-Voltage Six-Channel LED Driver
ZLED7022ZI1R	IDT	获取价格	Low-Voltage Six-Channel LED Driver
ZLED7022-ZI1R	IDT	获取价格	Interface Circuit
ZLED7030	IDT	获取价格	High Current 40V LED Driver with Switch Dimming
ZLED7030KIT-D1	ETC	获取价格	High Current 40V LED Driver with Switch Dimming
ZLED7030-ZI1R	ETC	获取价格	High Current 40V LED Driver with Switch Dimming
ZLED7320	IDT	获取价格	High Current 40V LED Driver with Internal Switch

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