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PDF MBI5027 Data sheet ( Hoja de datos )
| Número de pieza | MBI5027 | |
| Descripción | 16-Bit Constant Current LED Sink Driver | |
| Fabricantes | Macroblock | |
| Logotipo |  |
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Macroblock
Datasheet
MBI5027
16-Bit Constant Current LED Sink Driver
with Open/Short Circuit Detection
Features
z Open-/Short-Circuit Detection Mode to detect individual LED errors
z 16 constant-current output channels
z Constant output current invariant to load voltage change
z Excellent output current accuracy:
between channels: <±3% (max.), and
between ICs: <±6% (max.)
z Output current adjusted through an external resistor
z Constant output current range: 5-90 mA
z Fast response of output current, OE (min.): 200 ns
z 25MHz clock frequency
z Schmitt trigger input
z 5V supply voltage
z Optional for “Pb-free & Green” Package
DualMInI5B-L0I1in56eC0PN1aS6ckCaNgeS
CN: P-DIP24-300-2.54
GN: P-DIP24-300-2.54
CNS: SP-DIP24-300-1.78
GNS: SP-DIP24-300-1.78
Small OIu5t0li1n6eCPFackage
Current Accuracy
Between Channels
Between ICs
< ±3%
< ±6%
Conditions
IOUT = 10 ~ 60 mA
CD: SOP24-300-1.27
GD: SOP24-300-1.27
CF: SOP24-300-1.00
GF: SOP24-300-1.00
Shrink BSIO50P16CP
CP\CPA: SSOP24-150-0.64
GP\GPA: SSOP24-150-0.64
Macroblock, Inc. 2005
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 - April 2005, VA.02
http://www.Datasheet4U.com
1 page  
MBI5027
16-Bit Constant Current LED Sink Driver with Open/Short Circuit Detection
Timing Diagram
Normal Mode
CLK
N = 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SDI
LE(ED1)
OE(ED2)
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
HL
LL
HL
XL
XH
OE SDI OUT0 … OUT7 … OUT15
Dn
Dn+1 No
Dn+2
Dn+3
Dn+3 Off
Dn …. Dn - 7 …. Dn - 15
Change
Dn + 2 …. Dn - 5 …. Dn - 13
Dn + 2 …. Dn - 5 …. Dn - 13
SDO
Dn-15
Dn-14
Dn-13
Dn-13
Dn-13
- 5 - April 2005, VA.02
5 Page 
MBI5027
16-Bit Constant Current LED Sink Driver with Open/Short Circuit Detection
Switching Characteristics
Characteristic Sy
mbol Condition
Min. Typ. Max. Unit
CLK - OUTn
Propagation Delay Time
(“L” to “H”)
LE(ED1) - OUTn
OE (ED2) - OUTn
CLK - SDO
CLK - OUTn
Propagation Delay Time LE(ED1) - OUTn
(“H” to “L”)
OE (ED2) - OUTn
CLK - SDO
CLK
Pulse Width
LE(ED1)
OE (ED2)
Hold Time for LE(ED1)
Setup Time for LE(ED1)
Maximum CLK Rise Time
Maximum CLK Fall Time
Output Rise Time of Vout (turn off)
Output Fall Time of Vout (turn on)
tpLH1
tpLH2
tpLH3
tpLH
tpHL1
tpHL2
tpHL3
tpHL
tw(CLK)
tw(L)
tw(OE)
th(L) 5
tsu(L)
tr** -
tf** -
tor -
tof
VDD=5.0 V
VDS=0.8 V
VIH=VDD
VIL=GND
Rext=300 Ω
VL=4.0 V
RL=52 Ω
CL=10 pF
- 100
- 100
- 50
15 20
- 50
- 50
- 20
15 20
20 -
20 -
200 -
5-
- 40
-
-
-
70
150
150
150
-
100
100
100
-
-
-
-
-
-
500
500
200
120
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
**If the devices are connected in cascade and tr or tf is large, it may be critical to achieve the timing required for
data transfer between two cascaded devices.
Test Circuit for Switching Characteristics
IDD
VIH, VIL
Function
Generator
VIH = 5V
Logic input
waveform
VIL = 0V
tr = tf = 10 ns
OE(ED2)
CLK
LE(ED1)
VDD
SDI
R - EXT GND
Iref
...OUT0
OUT15
SDO
IOUT
RL
CL
CL
VL
- 11 -
April 2005, VA.02
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet MBI5027.PDF ] | |
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