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Número de pieza | MBI5169 | |
Descripción | 8-Bit Constant Current LED Sink Driver | |
Fabricantes | Macroblock | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de MBI5169 (archivo pdf) en la parte inferior de esta página. Total 28 Páginas | ||
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Features
Datasheet
MBI5169
8-Bit Constant Current LED Sink Driver
with Open/Short Circuit Detection
z Compatible with MBI5168 in package and electrical characteristics
z Exploit Share-I-O™ technique to provide two operation modes:
Normal Mode with the same functionality as MB5168,
Open-/Short-Circuit Detection mode to detect individual LED errors
z 8 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 -120 mA
z Fast response of output current,
OE (min.): 200 ns @Iout< 60mA
OE (min.): 400 ns @Iout= 60~100mA
z 25MHz clock frequency
z Schmitt trigger input
z 3.3V~ 5V supply voltage
z Optional for “Pb-free & Green” Package
Dual In-Line Package
MMBBI5I510680C1CNN
P-DIP16-300-2.54 Weight:1.02g
MSmBBaII5l5l1O06u08tC1linDCe DPackage
SOP16-150-1.27 Weight:0.13g
MWBidIe5-1b6o8dCyDSWOP
BI5001CD
SOP16-300-1.27 Weight:0.37g
MShBriIn5k16S8OCPP
SSOP16-150-0.64 Weight:0.07g
Current Accuracy
Between Channels
Between ICs
< ±3%
< ±6%
Conditions
IOUT = 10 ~ 100 mA,
VDS = 0.8V, VDD = 5.0V
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 - March 2005, VA.02
1 page MBI5169
8-Bit Constant Current LED Sink Driver with Open/Short Circuit Detection
Timing Diagram
Normal Mode
CLK
SDI
N= 0 1 2 3 4 5 6
7
LE/MOD
OE/SW/ED
OUT0
OUT1
OUT2
OUT3
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OUT6
OUT7
SDO
: don’t care
OFF
ON
OFF
ON
Truth Table (In Normal Mode)
CLK
LE/MOD
H
L
H
X
X
OE/SW/ED
L
L
L
L
H
SDI
Dn
Dn+1
Dn+2
Dn+3
Dn+3
OUT0 … OUT5 … OUT 7
Dn ….. Dn - 5 …. Dn - 7
No Change
Dn + 2 …. Dn - 3 …. Dn - 5
Dn + 2 …. Dn - 3 …. Dn - 5
Off
SDO
Dn-7
Dn-6
Dn-5
Dn-5
Dn-5
- 5 - March 2005, VA.02
5 Page MBI5169
8-Bit Constant Current LED Sink Driver with Open/Short Circuit Detection
Switching Characteristics (VDD= 5.0V)
Characteristics
Symbol Condition Min. Typ. Max. Unit
CLK - OUTn
tpLH1
- 100 150 ns
Propagation Delay LE/MOD - OUTn
Time (“L” to “H”)
OE/SW/ED - OUTn
tpLH2
tpLH3
- 100 150 ns
- 100 150 ns
CLK - SDO
tpLH
20 25 30
ns
CLK - OUTn
tpHL1 Test Circuit for
-
100 150
Propagation Delay LE/MOD - OUTn
Time (“H” to “L”)
OE/SW/ED - OUTn
tpHL2
tpHL3
Switching
Characteristics
-
-
100 150
100 150
CLK - SDO
tpHL
VDD=5.0 V
VDS=0.8 V
20
25
CLK
tw(CLK)
VIH=VDD
20 -
Pulse Width
LE/MOD
tw(L)
VIL=GND
Rext=372 Ω
20
-
OE/SW/ED (@ Iout< 60mA)
Hold Time for LE/MOD
tw(OE)
th(L)
VL=4.0 V
RL=64 Ω
CL=10 pF
200
10
-
-
Setup Time for LE/MOD
tsu(L)
5-
30
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
Maximum CLK Rise Time
tr***
- - 500 ns
Maximum CLK Fall Time
tf***
- - 500 ns
Output Rise Time of Vout (turn off)
tor
- 120 150 ns
Output Fall Time of Vout (turn on)
Clock Frequency
tof - 200 250 ns
FCLK
Cascade
Operation
-
- 25.0 MHz
*** If MBI5169 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 LED drivers MBI5169.
- 11 -
March 2005, VA.02
11 Page |
Páginas | Total 28 Páginas | |
PDF Descargar | [ Datasheet MBI5169.PDF ] |
Número de pieza | Descripción | Fabricantes |
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