ADP8861ACPZ-R7 Analog Devices Inc, ADP8861ACPZ-R7 Datasheet - Page 18

• Manufacturer Part Number: ADP8861ACPZ-R7
• Description: Charge Pump Based Backlight Controller
• Manufacturer: Analog Devices Inc
• Series: -r

Specifications of ADP8861ACPZ-R7

• Constant Current: -
• Constant Voltage: -
• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 7
• Internal Driver: Yes
• Type - Primary: Backlight, LED Blinker
• Type - Secondary: RGB, White LED
• Frequency: 800kHz ~ 1.32MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Voltage - Output: 4.3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN Exposed Pad, CSP
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ADP8861
VOUT < V
VOUT < V
VOUT < V
VOUT > V
VOUT > V
OVP FAULT
OVP FAULT
OVP FAULT
V
V
V
OVP
OVP (HYS)
OVP(HYS)
1
1
(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
EXIT STANDBY
VOUT > V
VIN TO VOUT
STARTUP:
STANDBY
STARTUP
CHARGE
0
G = 1.5
G = 2
EXIT
G = 1
OUT(START)
NOTES
1. V
Figure 38. Fault State Machine
1
DMAX
Rev. A | Page 18 of 40
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
)