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SP7614A датащи(PDF) 10 Page - Sipex Corporation

номер детали SP7614A
подробное описание детали  2-4 Channel Low Dropout Linear LED Driver
PDF  14 Pages
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производитель  SIPEX [Sipex Corporation]
домашняя страница  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7614A датащи(HTML) 10 Page - Sipex Corporation

Back Button SP7614A Datasheet HTML 6Page - Sipex Corporation SP7614A Datasheet HTML 7Page - Sipex Corporation SP7614A Datasheet HTML 8Page - Sipex Corporation SP7614A Datasheet HTML 9Page - Sipex Corporation SP7614A Datasheet HTML 10Page - Sipex Corporation SP7614A Datasheet HTML 11Page - Sipex Corporation SP7614A Datasheet HTML 12Page - Sipex Corporation SP7614A Datasheet HTML 13Page - Sipex Corporation SP7614A Datasheet HTML 14Page - Sipex Corporation  
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Apr20-07 RevS
SP7611A/7612A/7614A Low Dropout Linear LED driver
2007 Sipex Corporation
Page 10
LED Brightness Control
The SP761X LED Drivers feature analog and
PWM controls to give designers flexible
brightness control. To determine the value of
RSET , use the "ISET vs. VCRTL" graph under
the Typical Performance Characteristics.
1. SP761X/A
-
Analog using VCONTROL
Set VCONTROL and RSET for LED current
SETTING THE LED CURRENT – page 8
- PWM - Vcontrol
-Amplitude of PWM signal sets maximum LED
current
-Pulse width controls current between 0 and
maximum LED Set current
-
PWM using Enable
-
Set VCONTROL and RSET for LED current
SETTING THE LED CURRENT – page 6
ENABLE = PWM
-Amplitude has no effect on current
-Pulse width controls current between 0 and
maximum LED set current
APPLICATION INFORMATION



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