AS1109-BQFR austriamicrosystems, AS1109-BQFR Datasheet - Page 6

• Manufacturer Part Number: AS1109-BQFR
• Description: IC LED 4-BIT CC DRIVER 16-QFN
• Manufacturer: austriamicrosystems
• Type: General Purposer

Specifications of AS1109-BQFR

• Constant Current: *
• Constant Voltage: *
• Topology: *
• Number Of Outputs: *
• Internal Driver: *
• Type - Primary: *
• Type - Secondary: *
• Frequency: *
• Voltage - Supply: *
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN
• Operating Temperature: *
• Current - Output / Channel: *
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -

AS1109
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Table 3. Electrical Characteristics (Continued)
Switching Characteristics
V
Table 4. Switching Characteristics
*
caded LED drivers.
Note: All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality
www.austriamicrosystems.com/LED-Driver-ICs/AS1109
t
If multiple AS1109 devices are cascaded and t
DD
GSW(ERROR)
I
I
I
I
t
t
DD(OFF)0
DD(OFF)1
DD(OFF)2
DD(OFF)3
I
I
I
SW(ERROR)
SU(ERROR)
Symbol
DD(ON)1
DD(ON)2
DD(ON)3
t
t
t
t
TESTING
Symbol
t
t
TP3,OFF
REXT2,1
REXT2,1
W(CLK)
t
t
SU(OE)
= 3.0 to 5.5V, V
t
t
t
W(OE)
t
P3,ON
t
SU(D)
t
SU(L)
t
STAG
P(I/O)
f
W(L)
t
H(D)
t
t
H(L)
CLK
t
t
t
t
t
OR
R
OF
P1
P2
P3
P4
F
*
*
Control) methods.
Supply Current
DS
Propagation Delay Time (Without Staggered
Minimum OEN Time for Error Detection
= 0.8V, V
Output Rise Time of V
Propagation Delay Global Error Flag
Output Fall Time of V
Global Error Switching Setup Time
Global Error Detection Setup Time
Switching Time Global Error Flag
External Resistor Reaction Time
External Resistor Reaction Time
Maximum Clock Frequency
Output Enable Setup Time
Maximum CLK Rise Time
Maximum CLK Fall Time
Propagation Delay Time
Propagation Delay Time
Staggered Output Delay
Propagation Delay Time
Low-Current Test Mode
Parameter
(Cascade Operation)
IH
Setup Time for SDI
Setup Time for LD
Hold Time for SDI
Hold Time for LD
= V
Output Delay)
Pulse Width
Parameter
DD
, V
Off
On
IL
OUT
OUT
r
= GND, R
or t
(Turn On)
(Turn Off)
f
is large, it may be critical to achieve the timing required for data transfer between two cas-
EXT
= 372Ω, V
Revision 1.20
R
R
R
R
R
R
R
Change from R
EXT
EXT
EXT
EXT
EXT
EXT
EXT
I
OUT1
= 50.52mA to R
Change from R
LOAD
= 186Ω, OUTN0:7 = Off
= 744Ω‚ OUTN0:7 = On
= 372Ω‚ OUTN0:7 = On
= 186Ω‚ OUTN0:7 = On
= Open‚ OUTN0:7 = Off
= 744Ω‚ OUTN0:7 = Off
= 372Ω‚ OUTN0:7 = Off
OEN (@I
= 0.5mA to R
Condition
= 4.0V, R
I
OEN - OUTNn
I
OUT2
LD - OUTNn
OUT2
Conditions
CLK - SDO
Turn OFF
Turn ON
EXT1
CLK
OUT
LD
EXT1
> 25mA
EXT2
< 1mA
LOAD
= 372Ω, I
< 60mA)
EXT2
= 37.2kΩ,
= 37.2kΩ,
= 64Ω, C
= 372Ω,
OUT1
LOAD
2000
Min
200
15
15
20
10
10
30
Min
= 10pF; guaranteed by design.
5
5
5
5
0.05
Typ
100
100
100
100
0.5
0.5
13.7
20
50
Typ
1.3
3.0
4.7
8.1
4.5
7.5
5
3
Max
200
200
500
500
200
300
Max
3.68
5.37
8.73
0.1
10
10
40
10
15
5
5
1
1
2
5
8
MHz
Unit
Unit
6 - 26
mA
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns