ADP8863 Analog Devices, ADP8863 Datasheet - Page 22
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ADP8863
Manufacturer Part Number
ADP8863
Description
Charge Pump, 7-Channel Fun Lighting LED Driver
Manufacturer
Analog Devices
Datasheet
1.ADP8863.pdf
(52 pages)
Specifications of ADP8863
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
I2C
Peak Efficiency (%)
89%
Switching Frequency
1.32MHz
Over Volt Protection (v)
5V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADP8863ACPZ-R7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
ADP8863
VOUT < V
VOUT < V
VOUT < V
VOUT > V
VOUT > V
OVP FAULT
OVP FAULT
OVP FAULT
V
V
V
OVP(HYS)
1
OVP(HYS)
1
OVP(HYS)
OVP
OVP
OVP
OVP
OVP
–
–
–
0
0
0
1
VOUT > V
VOUT > V
VOUT > V
REGULATE
REGULATE
V
V
VOUT TO
VOUT TO
TRY TO
OUT(REG)
TRY TO
OUT(REG)
1
1
1
OUT(REG)
OUT(REG)
1
1
OVP
0
0
0
VOUT > V
VIN TO VOUT
EXIT STBY
STARTUP:
STANDBY
STARTUP
CHARGE
0
G = 1.5
G = 2
EXIT
G = 1
OUT(START)
NOTES
1. V
Figure 47. Fault State Machine
1
DMAX
Rev. A | Page 22 of 52
IS THE CALCULATED GAIN DOWN TRANSITION POINT.
EXIT STANDBY
100µs (TYP)
SCP FAULT
VOUT < V
100µs (TYP)
100µs (TYP)
WAIT
WAIT
WAIT
1
OUT(SC)
0
DIE TEMP > TSD
MIN (V
< V
0
MIN (V
MIN (V
0
HR(UP)
< V
> V
D1:D7
0
HR(UP)
DMAX
TSD – TSD
D1:D7
D1:D7
DIE TEMP <
)
)
)
0
(HYS)
1
0
0
TSD FAULT
MIN (V
> V
DMAX
D1:D7
)