ADP1650 Analog Devices, ADP1650 Datasheet - Page 5

• Manufacturer Part Number: ADP1650
• Description: 1.5 A LED Flash Driver with I2C-Compatible Interface
• Manufacturer: Analog Devices

Specifications of ADP1650

• Product Description: 1.5 A LED Flash Driver with I2C-Compatible Interface
• Led #: 1
• Led Configuration: Serial
• Topology: Inductive
• Application: Flash
• I2c Support: Yes
• Max Iout (ma): 1500mA
• Brightness Control: I2C
• Peak Efficiency (%): 90%
• Switching Frequency: 3MHz
• Over Volt Protection (v): 5.5V
• Vin Min (v): 2.7V
• Vout (v): 4.575 to 5.425
• Synchronous: Yes
• Package: 12-Bump WLCSP

RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITANCE AND INDUCTANCE
Table 2.
Parameter
CAPACITANCE
MINIMUM AND MAXIMUM INDUCTANCE
I
Table 3.
Parameter
f
t
t
t
t
t
t
t
t
t
t
t
C
1
2
SCL
2
HIGH
LOW
SU, DAT
HD, DAT
SU, STA
HD, STA
BUF
SU, STO
R
F
SP
Guaranteed by design.
C
B
C-COMPATIBLE INTERFACE TIMING SPECIFICATIONS
2
B
Input
Output
is the total capacitance of one bus line in picofarads.
SDA
SCL
1
S = START CONDITION
Sr = REPEATED START CONDITION
P = STOP CONDITION
Min
0.6
1.3
100
0
0.6
0.6
1.3
0.6
20 + 0.1 C
20 + 0.1 C
0
S
t
B
B
LOW
2
2
Max
400
0.9
300
300
50
400
t
R
t
HD, DAT
Figure 3. I
t
SU, DAT
Unit
kHz
μs
μs
ns
μs
μs
μs
μs
μs
ns
ns
ns
pF
2
C-Compatible Interface Timing Diagram
t
HIGH
Symbol
C
L
Description
SCL clock frequency
SCL high time
SCL low time
Data setup time
Data hold time
Setup time for repeated start
Hold time for start/repeated start
Bus free time between a stop and a start condition
Setup time for stop condition
Rise time of SCL and SDA
Fall time of SCL and SDA
Pulse width of suppressed spike
Capacitive load for each bus line
Rev. C | Page 5 of 32
MIN
t
t
F
SU, STA
t
F
Conditions
T
T
T
Sr
A
A
A
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +125°C
t
HD, STA
t
SP
t
SU, STO
Min
4.0
3.0
0.6
t
R
P
t
BUF
Typ
10
10
1.0
S
Max
20
1.5
ADP1650
Unit
μF
μF
μH