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PDF BD8379EFV-M Data sheet ( Hoja de datos )
| Número de pieza | BD8379EFV-M | |
| Descripción | 12ch LED Driver IC | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Serial-in Parallel-out LED Driver
12ch LED Driver IC
with 3-line Serial Interface
BD8379EFV-M
General Description
The BD8379EFV-M is a serial-in parallel-out controlled
LED driver with 35V output voltage rating.
With the input of 3-line serial data, it turns the 12ch
open drain output on/off.
Due to its compact size, it is optimal for small space.
Features
Open Drain Output.
3-line Serial Control + Enable Signal.
Cascade Connection Compatible.
HTSSOP-B20 Package.
Internal 12ch Power Transistor.
Output Slew Rate Typical 20V/μs
(for Low EMC Noise).
AEC-Q100 Qualified. (Note 1)
(Note 1) Grade2
Key Specifications
Input voltage range:
Output voltage range:
DC Output Current (per CH):
Output ON Resistance:
Standby current:
Operating temperature range:
3.0V to 5.5V
35V (Max.)
50mA(Max.)
6Ω(Typ.)
0μA (Typ.)
-40°C to +105°C
Package
HTSSOP-B20
W(Typ.) x D(Typ.) x H(Max.)
6.50mm x 6.40mm x 1.00mm
Applications
For indicator of Cluster Panel.
Typical Application Circuit
VCC
10μF
VBAT
10μF
Micro -
computer
VCC
OEN_B
LATCH
RST_B
CLK
SERIN
SEROUT
GND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
VCC
10μF
VCC
OEN_B
LATCH
RST_B
CLK
SERI N
SEROUT
GND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
ID
RL
VF
ID
RL
VF
Figure 1. Typical Application Circuit
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/17
TSZ02201-0T1T0C500190-1-2
01.Jun.2016 Rev.002
1 page  
BD8379EFV-M
Typical Performance Curves (unless otherwise specified, Ta=25°C)
100
80 105℃
25℃
105℃
60 -40℃
25℃
40 -40℃
20
0
012345
SUPPLY VOLTAGE：VCC[V]
Figure 4. Circuit current
(VCC characteristic)
12
10 105℃
8
25℃
6
-40℃
4
2
0
3.0
3.5 4.0 4.5 5.0
SUPPLY VOLTAGE：VCC[V]
5.5
Figure 6. Output ON resistance
(VCC characteristic @ ID=20mA)
100
80
5.5V
60
5.0V
40 4.5V
20 3.6V
0
-40
3.3V
3.0V
-15 10 35 60 85
AMBIENT TEMPERATURE ： Ta [℃]
Figure 5. Circuit current
(Temperature characteristic)
12
3.0V
10 3.3V
3.6V
8
6 4.5V
5.0V
5.5V
4
2
0
-40
-15 10 35 60 85
AMBIENT TEMPERATURE ：Ta [℃]
Figure 7. Output ON resistance
(Temperature characteristic @ ID=20mA)
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/17
TSZ02201-0T1T0C500190-1-2
01.Jun.2016 Rev.002
5 Page 
BD8379EFV-M
OUTPUT SIGNAL’S DELAY CHART
OEN_B
50%
TDOENH
OUTPUT
(D11 to D0)
50%
SRRISE
LATCH
OUTPUT
(D11 to D0)
50%
TDLAH
50%
TDOENL
90%
10%
SRFALL
CLK
50%
SEROUT
TDSOH
50%
TDSOL
Figure 18. Delay Chart of Output Signal
OUTPUT SIGNAL’S DELAY TIME (Ta=-40 to 105℃VCC=3.0 to 5.5V)
Parameter
Symbol Min. Typ.
OEN_B Switching Time (L→H)
TDOENH
-
-
OEN_B Switching Time (H→L)
TDOENL
-
-
LATCH Switching Delay Time
TDLAH
-
-
SEROUT Propagation Delay Time (L→H) TDSOH
-
-
SEROUT Propagation Delay Time (H→L) TDSOL
-
-
Rising Slew Rate
SRRISE
-
20
Falling Slew Rate
SRFALL
-
20
Max. Unit
Condition
3000
ns
2000
ns
3000
ns
350 ns
350 ns
-
V/μs
Ta=25°C, VCC=5V,
RL=500Ω, VBAT=10V
-
V/μs
Ta=25°C, VCC=5V,
RL=500Ω, VBAT=10V
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/17
TSZ02201-0T1T0C500190-1-2
01.Jun.2016 Rev.002
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet BD8379EFV-M.PDF ] | |
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