AS1109-BQFR austriamicrosystems, AS1109-BQFR Datasheet - Page 10

• 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 - D e t a i l e d D e s c r i p t i o n
Figure 12. Data Input Timing Diagram
Figure 13. Data Input Example Timing Diagram
www.austriamicrosystems.com/LED-Driver-ICs/AS1109
OUTN0
OUTN1
OUTN2
OUTN3
OUTN4
OUTN5
OUTN6
OUTN7
OEN
SDO
CLK
SDI
OEN
CLK
LD
SDI
LD
Time = 0
D7
Data Bit
Old Data
D6
7
Bit 7
1
Data Bit
Old Data
Bit 6
6
D5
2
Data Bit
Old Data
5
Bit 5
D4
3
t
P1
Data Bit
Old Data
4
Bit 4
D3
8 CLK Pulses
4
Data Bit
Old Data
Revision 1.20
3
Bit 3
D2
5
Data Bit
Old Data
2
Bit 2
D1
6
Data Bit
Old Data
1
Bit 1
D0
t
SU(D)
7
Data Bit
Old Data
0
Bit 0
t
H(D)
t
SU(L
t
W(L)
t
SU(OE)
Don’t Care
Don’t Care
t
W(OE)
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
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