Datasheet > ZLED7015

ZLED7015

更新时间： 2024-11-24 01:10:51

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
22页	522K
描述
1.0MHz Boost Converter

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中文翻译

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ZLED7015 数据手册

ZLED7015

1.0MHz Boost Converter

with Internal 35V Switch

Datasheet

Brief Description

Features

• Integrated 35V power switch

• Wide input range: 6VDC to 30VDC

• Over-temperature protection

The ZLED7015, one of our ZLED family of LED

control ICs, is a constant current boost converter

with an internal high-power 35V switch. It is opti-

mal for driving multiple white LEDs connected in

series so that the LED current is uniform for better

brightness and color control. It can also drive

devices that require a constant voltage and is

capable of operating efficiently with voltage

supplies ranging from 6VDC to 30VDC. It is ideal

for diverse lighting applications requiring low sup-

ply voltages such as SELV applications. Typically,

smaller, less expensive external components can

be used since the ZLED7015 switches at 1.0MHz

(typical).

• Over-voltage (open LED string) protection adjusted

via external resistor divider

• Under-voltage lockout ensures reliable circuit

operation

• Control of output current during start-up via internal

“soft-start”

• Switching frequency: 1.0MHz

• Single pin on/off or brightness control via PWM,

microcontroller, or DC voltage control signal input

• MSOP-10 package

The ZLED7015 output current is adjustable via an

external current sense resistor R_Sconnected from

the FB pin to ground.

Benefits

• High efficiency: up to 95% efficiency

• Few small, low-profile components needed for

operation

The ZLED7015 improves efficiency and minimizes

power losses in the current setting resistor R_Sby

use of an internal 0.3V feedback reference vol-

tage.

• Small form-factor package

Available Support

Dimming can be controlled using a pulse-width

modulation (PWM) waveform or a DC voltage

applied to the FB pin.

• Evaluation Kit

Physical Characteristics

The ZLED7015 provides a “soft-start” function to

prevent excessive in-rush current on start-up and

ensures a controlled rise of the output voltage.

• Operating temperature: -40°C to 85°C

• RoHS-compliant

Over-voltage protection is adjustable via external

resistors R₁and R₂.

ZLED7015 Typical Application Circuit

V_IN= 6 to 30 VDC

V_OUT

L₁

D₁

R_EN

R₁

C_IN

LED

String

C₂

R_VDD

C₁

VDD

OVP

R₂

C_OVP

C_OUT

C_VDD

ZLED7015

AGND

PGND

C_VP

R_S

April 20, 2016

12 3 4 5 6 7...22

中文翻译

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与ZLED7015相关器件

型号	品牌	获取价格	描述	数据表
ZLED7015KIT-E1	IDT	获取价格	1.0MHz Boost Converter
ZLED7015ZI1R	IDT	获取价格	1.0MHz Boost Converter
ZLED7015-ZI1R	ETC	获取价格	1.0MHz Boost Converter with Internal 35V Switch
ZLED7020	IDT	获取价格	High Current 40V LED Driver with Internal Switch
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

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