SP7616ER-L/TR Datasheet

IC型號：
SP7616ER-L/TR
PDF描述：
High Accuracy 4-Channel Low Side LED Driver for CCFL Replace...
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572.94KB
PDF頁數(shù)：
9頁
芯片廠家：
SIPEX

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SP7616

High Accuracy 4-Channel Low Side

LED Driver for CCFL Replacement

FEATURES

Wide 4.5V to 30V operating range

60mA LED current per channel

1.5% channel to channel current matching

Analog Dimming control

PWM operation up to 5kHz with 10% Duty Cycle

Low dropout: 150mV @ 20mA

Built-in Over Temperature Protection

Lead Free, RoHS Compliant Packaging:

Small 2X3mm DFN

Connect heat sink

pad to GND

DESCRIPTION

The SP7616 is a 30V 4-Channel linear low side LED driver. It is capable of powering up to four

LED strings of nine LEDs @ 60mA per string for a total of 36 LEDs with 1.5% typical current

matching between channels. The desired LED current can be adjusted with an external resistor,

and the precision string-to-string current matching ensures consistent color temperature across

the whole display. The device also features very low dropout voltage to maximize system

efficiency and avoid difficult thermal design constraints. Dimming can be achieved by feeding a

PWM signal to the PWM pin, or use an analog signal to control the I

SET

current, this allows

brightness control without unwanted color shifts. Fast LED current turn-on/off time allows up to 5

kHz PWM dimming frequencies with as low as 10% duty cycle, completely eliminating flicker. The

built-in thermal protection prevents damage to the device under fault conditions.

TYPICAL APPLICATION CIRCUIT

SET

Mar 22-07 RevD

SP7616: Low Side LED Driver

- -

錚?/div>

2007 Sipex Corporation

制造商
Exar
產(chǎn)品種類
LED照明驅(qū)動器
封裝
Reel

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