LED2000PUR datasheet(1/40 Pages) STMICROELECTRONICS

部件名	LED2000PUR

功能描述	3 A monolithic step-down current source with synchronous rectification

PDF	40 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 40 page

This is information on a product in full production.

June 2013

DocID023432 Rev 4

1/40

LED2000

3 A monolithic step-down current source with synchronous

rectification

Datasheet

- production data

Features

 3.0 V to 18 V operating input voltage range

 850 kHz fixed switching frequency

 100 mV typ. current sense voltage drop

 PWM dimming

 7% output current accuracy

 Synchronous rectification

 95 mHS / 69 m LS typical RDS(on)

 Peak current mode architecture

 Embedded compensation network

 Internal current limiting

 Ceramic output capacitor compliant

 Thermal shutdown

Applications

 High brightness LED driving

 Halogen bulb replacement

 General lighting

 Signage

Description

The LED2000 is an 850 kHz fixed switching

frequency monolithic step-down DC-DC converter

designed to operate as precise constant current

source with an adjustable current capability up to

3 A DC. The embedded PWM dimming circuitry

features LED brightness control. The regulated

output current is set connecting a sensing resistor

to the feedback pin. The embedded synchronous

rectification and the 100 mV typical RSENSE

voltage drop enhance the efficiency performance.

The size of the overall application is minimized

thanks to the high switching frequency and

ceramic output capacitor compatibility. The device

is fully protected against thermal overheating,

overcurrent and output short-circuit. The

LED2000 is available in VFQFPN 4 mm x 4 mm

8-lead, and standard SO8 package.

Figure 1. Typical application circuit

VFQFPN8 4x4

SO8

www.st.com

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制造商	部件名	数据表	功能描述
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More results

LED2000PUR 数据表(PDF) 1 Page - STMicroelectronics

LED2000PUR 数据表(HTML) 1 Page - STMicroelectronics

类似零件编号 - LED2000PUR

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LED2000PUR 数据表(PDF) 1 Page - STMicroelectronics

LED2000PUR 数据表(HTML) 1 Page - STMicroelectronics

类似零件编号 - LED2000PUR

类似说明 - LED2000PUR

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