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SP7611AEC6/TR Datasheet

  • SP7611AEC6/TR

  • Low Dropout LED Driver for any Color LED

  • 9頁

  • SIPEX

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廬
PRELIMINARY
SP7611A/7612/7614
Low Dropout LED Driver for any Color LED
FEATURES
鈻?/div>
LED Drivers for parallel connected LEDs
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Ultra Low Dropout Voltage of 150mV
(SP7614)
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No EMI, no switching noise
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Integrated current matching
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PWM and Analog brightness control
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Enable/Shutdown control
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Shutdown current < 1碌A(chǔ)
鈻?/div>
Small footprint SC-70 Package
P/N
SP7611A
SP7612
SP7614
Channel
4
3
2
I
BIAS
160
120
160
I
BIAS
/LED
40
40
80
N/C
LED1
CTRL
3
2
1
SP7614
6 Pin SC70
4
GND
5
LED2
6
ON/OFF
Now Available in Lead Free Packaging
APPLICATIONS
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Next Generation Mobile Phones
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PDA, DSC, MP3 players
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Handheld Computers
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LCD Display Modules
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Keyboard Backlight
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LED Displays
DESCRIPTION
The SP761X driver family provides a simple solution for a matched current source any color LED.
The current in the LEDs can be programmed by an external resistor. The Individual LED currents
are 200 x ISET, where ISET is the current through the external resistor connected to the CTRL
pin. The SP7611A is capable of driving four LEDs, while the SP7612 can drive three LEDs. The
SP7614 is designated to drive two high current LEDs. LED1 should always be connected to an
LED in order to have the other LEDs driven with a matched current to LED1.
The SP7612 and SP7614 have Enable pins. When these devices are disabled, the supply current
drops to 0.01碌A(chǔ) typical.
The SP7611A, SP7612 and SP7614 drivers are available in a small footprint 6-pin SC-70
package.
TYPICAL APPLICATION SCHEMATIC
VIN
I SET
V CONTROL
RSET
ENABLE
LED1
CTRL
廬
LED2
SP7614
ON/OFF
GND
Date: 6/30/04
SP7611A/7612/7614 Low Dropout LED Driver for Any Color LED
漏 Copyright 2004 Sipex Corporation
1

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