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Teilenummer | DM13A-E |
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Beschreibung | Low Power 16-bit Constant Current LED Driver | |
Hersteller | SiTi | |
Logo | ||
Gesamt 23 Seiten DM13A-E
Version
: PRE.003
Issue Date : 2015/04/27
File Name :SP-DM13A-E-PRE.003.doc
Total Pages : 23
Low Power 16-bit Constant Current
LED Driver
新竹市科學園區展業一路 9 號 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.
Tel:886-3-5645656 Fax:886-3-5645626
Maximum Ratings*1(Ta=25C, Tj(max) = 150C)
CHARACTERISTIC
SYMBOL
RATING
Supply Voltage
VDD
-0.3 ~ 6.0
Input Voltage
VIN -0.3 ~ VDD+0.3
Output Current
IOUT
30
Output Voltage
VOUT
-0.3 ~ 5.5
Input Clock Frequency
FDCK
25
GND Terminal Current
IGND
480
2.5 ( PDIP24 : Ta=25C)
Power Dissipation
(4 layer PCB)
2.03( SOP24B : Ta=25C)
PD 1.57 ( SOP24 : Ta=25C)
1.38 ( SSOP24 : Ta=25C)
3.37 (QFN24 : Ta=25C)
50.0 (PDIP24 )
61.4 ( SOP24B)
Thermal Resistance
Rth(j-a)
79.2 (SOP24 )
90.2 (SSOP24 )
37 (QFN24 )
Operating Temperature
Top
-20 ~ 85
Storage Temperature
Tstg
-55 ~ 150
DM13A-E
UNIT
V
V
mA
V
MHz
mA
W
C/W
C
C
Recommended Operating Condition
CHARACTERISTIC
SYMBOL
CONDITION
Supply Voltage
VDD
Output Voltage
VOUT
Driver [email protected]
Output Voltage
Output Current
Input Voltage
Input Clock Frequency
LAT Pulse Width
DCK Pulse Width
Set-up Time for DAI
Hold Time for DAI
Set-up Time for LAT
Hold Time for LAT
VOUT
IO
IOH
IOL
VIH
VIL
FDCK
tw LAT
tw DCK
tsetup(D)
thold(D)
tsetup(L)
thold(L)
Driver Off
OUTn
VOH = VDD – 0.2 V
VOL = 0.2 V
VDD = 3.3 V ~ 5.5V
Single Chip Operation
VDD = 5.0V&3.3V
MIN.
3.3
0.31
0.3
+1
0.8VDD
0.0
15
15
10
10
10
10
TYP.
5.0
MAX.
5.5
0.5VDD
5.5
30
-1
VDD
0.2VDD
25
UNIT
V
V
mA
V
MHz
ns
*1 Stress beyond those listed under “Maximum Ratings” may cause permanent damage to the device. These are stress
ratings only; it’s not implied functional operation condition. Exposure to “Maximum Ratings” conditions for extended
periods may affect device reliability and life time.
Low Power 16-bit Constant Current LED Driver
Version:Pre.003
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 DM13A-E
Output Current as a Function of Output Voltage
30
25
20
15
10
5
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Vout(V)
In order to get constant current characteristics, a suitable output voltage is necessary. Users can
get related information about the minimum output voltage above.
Output Current Ripple
Output current ripple is due to output voltage or supply voltage ripple. The value of output
current ripple is related to frequency and amplitude of voltage ripple. If the amplitude of voltage
ripple is too big at high frequency, then it will skew the average output current. In order to ensure the
stability of output current, capacitance Cvdd/Cvled are suggested to be installed between
VDD/VLED and GND. The suggested value of Cvdd/Cvled is 1uF at 5MHz of outputs switching
(V)
Low Power 16-bit Constant Current LED Driver
Version:Pre.003
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 | ||
Seiten | Gesamt 23 Seiten | |
PDF Download | [ DM13A-E Schematic.PDF ] |
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