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PDF MBI5028 Data sheet ( Hoja de datos )
| Número de pieza | MBI5028 | |
| Descripción | 16-bit Constant Current LED Sink Driver | |
| Fabricantes | Macroblock | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MBI5028 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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Macroblock
Preliminary Datasheet
MBI5028
16-bit Constant Current LED Sink Driver
with Gain Control
Features
· 16 constant-current output channels
· Output current adjustable through an external resistor
· Output current gain programmable for White Balance
· Constant output current range: 5-90 mA
· Excellent output current accuracy:
between channels: ±3% (max.), and
between ICs: ±6% (max.)
· Constant output current invariant to load voltage change
· Fast response of output current, OE (min.): 200 ns
· 25MHz clock frequency
· Schmitt trigger input
· 5V supply voltage
MMBBI5I5002186CCNNSS
MMBBII55002186CCFF
MMBBI5I5001268CCPP
Current Accuracy
Between Channels
Between ICs
< ±3%
< ±6%
Conditions
IOUT = 10 mA ~ 60 mA
ÓMacroblock, Inc. 2003
Floor 6-4, No.18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC.
TEL: +886-3-579-0068, FAX: +886-3-579-7534 E-mail: [email protected]
-1-
1 page  
MBI5028 16-bit Constant Current LED Sink Driver with Gain Control
Timing Diagram
Normal Mode
CLK
N=0
12
3456
7 8 9 10 11 12 13 14 15
SDI
LE(CA1)
OE (CA2)
OUT0
OUT1
OUT2
OUT3
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OUT15
SDO
: don’t care
OFF
ON
Truth Table (In Normal Mode)
CLK LE OE SDI
H L Dn
L L Dn+1
H L Dn+2
X L Dn+3
X H Dn+3
OUT0 … OUT 7 … OUT15
Dn ….. Dn - 7 …. Dn - 15
No Change
Dn + 2 …. Dn - 5 …. Dn - 13
Dn + 2 …. Dn - 5 …. Dn - 13
Off
SDO
Dn-15
Dn-14
Dn-13
Dn-13
Dn-13
-5-
April 2003, V0.8-4
5 Page 
MBI5028 16-bit Constant Current LED Sink Driver with Gain Control
Timing Waveform
Normal Mode
CLK
SDI
tW(CLK)
50%
tsu(D)
th(D)
50%
50%
50%
50%
SDO
LE(CA1)
OE (CA2)
OUTn
50%
tpLH, tpHL
50%
tW(L)
50%
th(L)
tsu(L)
LOW = OUTPUTS ENABLED
tpLH1, tpHL1
tpLH2, tpHL2
HIGH = OUTPUT OFF
50%
LOW = OUTPUT ON
OE (CA2)
OUTn
tW(OE)
50%
tpHL3
90%
50%
10%
tof
50%
tpLH3
90%
50%
10%
tor
- 11 -
April 2003, V0.8-4
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet MBI5028.PDF ] | |
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