Datasheet > UM1360_16

UM1360_16

更新时间： 2024-10-15 01:16:27

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
13页	603K
描述
Hysteretic Buck High Brightness LED Driver with Internal Switch

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UM1360_16 数据手册

UM1360

Hysteretic Buck High Brightness LED Driver with Internal Switch

UM1360Y SOT89-5

General Description

The UM1360 is a PWM step-down converter with internal power switch, designed for driving

single or multiple series connected LEDs efficiently from a voltage source higher than the LED

voltage. The UM1360 can drive up to 10 series connected LEDs. The device operates from an

input supply between 6V and 40V and employs hysteretic control with a high side current sense

resistor to set the constant output current up to 1A. The device is well suited for applications

requiring a wide input range. The high side current sensing and an integrated current sensing

circuitry minimize the number of external components while delivering an accurate average

output current. Depending upon supply voltage and external components, this device can provide

up to 30 watts of output power.

Output current can be adjusted below the set value, by applying an external control signal to the

VSET pin. The VSET pin will accept either a DC voltage or a PWM waveform. Dedicated pulse

width modulation (PWM) input enables pulsed LED dimming over a wide range of brightness

levels. A hysteretic control method ensures excellent input supply rejection and fast response

during load transients and PWM dimming.

Applying a voltage of 0.2V or lower to the VSET pin turns the output off and switches the device

into a low current standby state. The UM1360 employs spread spectrum technique to greatly

reduce its interference to other part of the system.

The UM1360 comes in small SOT89-5 package. It is ideal for industrial and general lighting

applications.

Applications

Features



Low Voltage Halogen Replacement



Hysteretic Control with High Side Current

LEDs

Sensing



Low Voltage Industrial Lighting

LED Back-Side Lighting

Illuminated Signs

DC/DC or AC/DC LED Driver

Application



Integrated 40V 0.5Ω NDMOS

Up to 98% Efficiency

Wide Input Voltage Range: 6V to 40V

50V Transient Capability

± 5% LED Current Accuracy

Adjustable Constant LED Current

Single Pin On/Off and Brightness Control

Using DC Voltage or PWM

Spread Spectrum Driver



General Purpose, Constant Current

Source



Over Temperature, Open Circuit LED

Protection



Up to 1MHz Switching Frequency

Pb-Free SOT89-5 Package

________________________________________________________________________

http://www.union-ic.com Rev.05 Apr.2016 1/13

12 3 4 5 6 7...13

中文翻译

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与UM1360_16相关器件

型号	品牌	获取价格	描述	数据表
UM1360S	UNIONSEMI	获取价格	Hysteretic Buck High Brightness LED Driver with Internal Switch
UM1360Y	UNIONSEMI	获取价格	Hysteretic Buck High Brightness LED Driver with Internal Switch
UM-13-R63.931058	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R64.139392	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R64.453975	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R64.636555	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R66.389333	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R67.125850	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R67.192110	MTRONPTI	获取价格	Quartz Crystal,
UM-13-R67.317110	MTRONPTI	获取价格	Quartz Crystal,

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