ADP8866 Analog Devices, ADP8866 Datasheet - Page 4

• Manufacturer Part Number: ADP8866
• Description: Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects
• Manufacturer: Analog Devices

Specifications of ADP8866

• Vin Range: 2.5 to 5.5V
• Vout (v): 4.3 to 5.5
• Synchronous: No
• Package: 20-Lead LFCSP
• Led Configuration: Parallel
• Topology: Capacitive
• I2c Support: Yes
• Max Iout (ma): 25mA
• Brightness Control: I2C
• Peak Efficiency (%): 92%
• Switching Frequency: 1MHz

ADP8866
Parameter
I
I
Timing Diagram
SDA
2
2
SCL
C INTERFACE
C TIMING SPECIFICATIONS
Thermal Shutdown
Isolation from Input to
Time to Validate a Fault
V
Logic Low Input
Logic High Input
Delay from Reset Deassertion
SCL Clock Frequency
SCL High Time
SCL Low Time
Setup Time
Hold Time
Bus Free Time (Stop and Start
Rise Time (SCL and SDA)
Fall Time (SCL and SDA)
Pulse Width of Suppressed
Capacitive Load Per Bus Line
DDIO
Threshold
Hysteresis
Output During Fault
to I
Data
Repeated Start
Stop Condition
Data
Start/Repeated Start
Conditions)
Spike
Voltage Operating Range
S = START CONDITION
Sr = REPEATED START CONDITION
P = STOP CONDITION
2
C Access
S
t
LOW
Symbol
TSD
TSD
I
t
V
V
V
t
f
t
t
t
t
t
t
t
t
t
t
t
C
OUTLKG
FAULT
RESET
SCL
HIGH
LOW
SU, DAT
SU, STA
SU, STO
HD, DAT
HD, STA
BUF
R
F
SP
t
DDIO
IL
IH
B
R
t
HD, DAT
(HYS)
t
Test Conditions/Comments
Increasing temperature
V
V
V
Guaranteed by design
SU, DAT
IN
IN
IN
= 5.5 V, V
= 2.5 V
= 5.5 V
Figure 2. I
t
HIGH
OUT
Rev. 0 | Page 4 of 52
= 0 V, Bit nSTBY = 0
2
C Interface Timing Diagram
t
t
F
SU, STA
t
F
Sr
t
HD, STA
Min
1.55
0.6
1.3
100
0.6
0.6
0
0.6
1.3
20 + 0.1 × C
20 + 0.1 × C
0
B
B
t
Typ
150
20
2
SP
t
SU, STO
t
R
Max
1
5.5
0.5
20
400
0.9
300
300
50
400
P
t
BUF
S
Unit
°C
°C
μA
μs
V
V
V
μs
kHz
μs
μs
ns
μs
μs
μs
μs
μs
ns
ns
ns
pF