ADP5501 Analog Devices, ADP5501 Datasheet - Page 4

• Manufacturer Part Number: ADP5501
• Description: Programmable Current Backlight Driver with Ambient Light Sensor Input
• Manufacturer: Analog Devices

Specifications of ADP5501

• Vin Range: 2.7 to 5.5V
• Vout (v): 24 to 27
• Synchronous: No
• Package: 24-Lead LFCSP
• Led Configuration: Serial
• Topology: Inductive
• I2c Support: Yes
• Max Iout (ma): 30mA
• Brightness Control: I2C
• Switching Frequency: 1MHz
• Over Volt Protection (v): 24V

ADP5501
Parameter
1
2
3
4
5
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). Typical values are at T
3.3 V or VBAT, whichever is smaller.
Internal LDO powered down, digital blocks inactive, I
Internal LDO powered up, digital blocks active, I
C
Hold Time for Start/Repeated Start
Bus Free Time for Stop and Start Condition
Setup Time for Stop Condition
Rise Time for SCL and SDA
Fall Time for SCL and SDA
Pulse Width of Suppressed Spike
Capacitive Load for Each Bus Line
B
is the total capacitance of one bus line in picofarads (pF).
SDA
SCL
S = START CONDITION
Sr = REPEATED START CONDITION
P = STOP CONDITION
S
t
LOW
2
t
C active, boost inactive.
R
t
HD, DAT
2
C inactive, boost inactive.
t
SU, DAT
Symbol
t
t
t
t
t
t
C
HD, STA
BUF
SU, STO
R
F
SP
B
5
Figure 2. Interface Timing Diagram
t
HIGH
Rev. 0 | Page 4 of 28
Conditions
t
t
F
SU, STA
t
F
Sr
1
t
HD, STA
Min
0.6
1.3
0.6
20 + 0.1 C
20 + 0.1 C
0
t
SP
t
SU, STO
B
B
t
R
Typ
P
A
= 25°C, VBAT = 3.6 V.
t
BUF
Max
300
300
50
400
S
Unit
μs
μs
μs
ns
ns
μs
pF