ADP8860 Analog Devices, ADP8860 Datasheet - Page 4

• Manufacturer Part Number: ADP8860
• Description: Charge Pump, 7-Channel Smart LED Driver with I2C Interface
• Manufacturer: Analog Devices

Specifications of ADP8860

• Vin Range: 2.4V to 5.5V
• Vout (v): 4.3 to 5.5
• Synchronous: No
• Package: 20-Lead WLCSP
• Led Configuration: Parallel
• Topology: Capacitive
• I2c Support: Yes
• Max Iout (ma): 60mA
• Brightness Control: I2C
• Peak Efficiency (%): 89%
• Switching Frequency: 1MHz

ADP8860
Parameter
AMBIENT LIGHT SENSING
FAULT PROTECTION
I
I
1
2
3
2
2
Current source matching is calculated by dividing the difference between the maximum and minimum current from the sum of the maximum and minimum.
V
V
C INTERFACE
C TIMING SPECIFICATIONS
IL
IH
COMPARATORS
Ambient Light Sensor Current
DAC Bit Step
Startup Charging Current Source
Output Voltage Threshold
Output Overvoltage Protection
Thermal Shutdown
Isolation from Input to Output
Time to Validate a Fault
V
Logic Low Input
Logic High Input
Delay from Reset Deassertion to
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 Spike
Capacitive Load Per Bus Line
is a function of the input voltage. See
is a function of the input voltage. See
DDIO
Threshold L2 Level
Threshold L3 Level
Exit Soft Start
Short-Circuit Protection
Activation Level
OVP Recovery Hysteresis
Threshold
Hysteresis
During Fault
I
Data
Repeated Start
Stop Condition
Data
Start/Repeated Start
Conditions)
2
C access
Voltage Operating Range
2
3
Figure 16
Figure 16
Symbol
I
I
I
V
V
V
V
TSD
TSD
I
t
V
V
V
t
f
t
t
t
t
t
t
t
t
t
t
t
C
I
ALS
L2BIT
L3BIT
SS
OUTLKG
FAULT
RESET
SCL
HIGH
LOW
SU, DAT
SU, STA
SU, STO
HD, DAT
HD, STA
BUF
R
F
SP
OUT
OUT(START)
OUT(SC)
OVP
DDIO
IL
IH
B
in the
in the
(HYS)
Typical Performance Characteristics
Typical Performance Characteristics
Test Conditions/Comments
CMP_IN = V
I
I
V
V
V
V
V
V
Guaranteed by design
L2BIT
L3BIT
IN
OUT
OUT
IN
IN
IN
= 3.6 V, V
= 5.5 V, V
= 3.6 V
= 3.6 V
= I
= I
rising
falling
ALS
ALS
/250
/2000
Rev. 0 | Page 4 of 52
D6
OUT
OUT
= 2.8 V, Bit CMP2_SEL = 1
= 0.8 × V
= 0 V, Bit nSTBY = 0
IN
section for typical values over operating ranges.
section for typical values over operating ranges.
Min
0.70
2.5
1.30
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
Typ
1.08
4.3
0.54
3.75
0.92 × V
0.55 × V
5.8
500
150
20
2
IN
IN
Max
1.33
5.5
1.5
5.5
0.6
20
400
0.9
300
300
50
400
Unit
mA
μA
μA
mA
V
V
V
mV
°C
°C
μA
μs
V
V
V
μs
KHz
μs
μs
ns
μs
μs
μs
μs
μs
ns
ns
ns
pF