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DD313-4 Schematic ( PDF Datasheet ) - SiTi

Teilenummer DD313-4
Beschreibung 40V Adjustable Current Sink Linear LED Driver
Hersteller SiTi
Logo SiTi Logo 




Gesamt 15 Seiten
DD313-4 Datasheet, Funktion
DD313-4
Version
: PRE.002
Issue Date : 2015/11/23
File Name : SP-DD313-4-PRE.002.doc
Total Pages : 15
40V Adjustable Current Sink Linear LED Driver
新竹市科學園區展業一路 9 4 樓之 3
SILICON TOUCH TECHNOLOGY INC.
9-4F-3, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel886-3-5645656 Fax886-3-5645626






DD313-4 Datasheet, Funktion
DD313-4
Switching Characteristics4
At Vcc = 6 V to 40 V, TA = -40C to 85C, CL = 15 pF, RL = 82
PARAMETER
Propagation delay
Rise time
Fall time
tD0
tD1
tR0
tR1
tF0
tF1
TEST CONDITIONS
PWM IN to IOUT (rising edge)
PWM IN to IOUT (falling edge)
VOUT = 1 V; IOUT = 20 mA
VOUT = 1.1 V; IOUT = 50 mA
VOUT = 1.25V; IOUT = 100 mA
VOUT = 1 V; IOUT = 20 mA
VOUT = 1.1 V; IOUT = 50 mA
VOUT = 1.25V; IOUT = 100 mA
MIN TYP MAX UNIT
73 ns
28 ns
77 ns
101 ns
128 ns
78 ns
111 ns
139 ns
Parameter Measurement Information
Test Circuits
Vcc
REXT
Vcc
REXT
GND
IOUT
RL
VLED
CL
Figure 1. Rise and fall time test circuit for IOUT
Vcc
REXT
Vcc
REXT
GND
IOUT
VOUT
Figure 2. Constant current test circuit for IOUT
4 IOUT switching characteristics are given in configuration register section
40V Adjustable Current Sink Linear LED Driver
Version:PRE.002
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 5

6 Page









DD313-4 pdf, datenblatt
DD313-4
Application Circuits
The application circuits below show the versatility of DD313-4 platform for building
applications with desirable features in LED lighting.
Linear Constant Current Driver
Lighting LED String
VSUPPLY
VSUPPLY
PWM Signal
MCU
IRQ
VCC IOUT
PWM
IN
REXT
ALARM
OUT
GND
SimplDifiieadgrMamodel
REXT
40V Adjustable Current Sink Linear LED Driver
Version:PRE.002
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 11

12 Page





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