ADP8861 Analog Devices, ADP8861 Datasheet - Page 10
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ADP8861
Manufacturer Part Number
ADP8861
Description
Charge Pump, 7-Channel Smart LED Driver with I2C Interface
Manufacturer
Analog Devices
Datasheet
1.ADP8861.pdf
(40 pages)
Specifications of ADP8861
Vin Range
2.5 to 5.5V
Vout (v)
4.3 to 5.5
Synchronous
No
Package
20-Lead LFCSP,20-Lead WLCSP
Led Configuration
Parallel
Topology
Capacitive
I2c Support
Yes
Max Iout (ma)
60mA
Brightness Control
PWM
Peak Efficiency (%)
89%
Switching Frequency
1.32MHz
Over Volt Protection (v)
5.8V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADP8861ACPZ-R7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
ADP8861
1
2
3
C
V
I
OUT
IN
IN
Figure 23. Typical Operating Waveforms, G = 2×
= 2.5V
= 1µF, C
= 120mA
OUT
V
V
OUT
I
IN
= 1µF, C1 = 1µF, C2 = 1µF
IN
(AC-COUPLED) 10mA/DIV
(AC-COUPLED) 50mV/DIV
(AC-COUPLED) 50mV/DIV
T
500ns/DIV
Rev. A | Page 10 of 40
2
4
V
IN
= 3.7V
I
IN
Figure 24. Typical Start-Up Waveform
(10mA/DIV)
I
OUT
(10mA/DIV)
V
OUT
(1V/DIV)
100µs/DIV