ADP1655 Analog Devices, ADP1655 Datasheet - Page 4

• Manufacturer Part Number: ADP1655
• Description: Dual LED Flash Driver with I2C Compatible Interface
• Manufacturer: Analog Devices

Specifications of ADP1655

• Product Description: Serial 2 WLED Flash Driver
• Led #: 2
• Led Configuration: Serial
• Topology: Inductive
• Application: Flash
• I2c Support: Yes
• Max Iout (ma): 400mA
• Brightness Control: I2C
• Peak Efficiency (%): n/a
• Switching Frequency: 2MHz
• Over Volt Protection (v): 10V
• Vin Min (v): 2.5V
• Vout (v): Current Output
• Synchronous: Yes
• Package: 12-Bump WLCSP

ADP1655
Parameter
SAFETY FEATURES
1
2
Table 2.
Parameter
CAPACITANCE
MINIMUM AND MAXIMUM INDUCTANCE
RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITANCE AND INDUCTANCE
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Two LEDs are used for this parameter.
Thermal Shutdown Threshold
Overvoltage Threshold
Coil Peak Current Limit
LED_OUT Short-Circuit Detection
LED Counting Comparator
Input
Output
T
T
Comparator Reference Voltage
Threshold Voltage
J
J
Rising
Falling
1
Conditions
Peak current value setting = 1 (01 binary)
Peak current value setting = 2 (10 binary)
Peak current value setting = 3 (11 binary)
LED value setting = 0 (00 binary)
LED value setting = 1 (01 binary)
LED value setting = 2 (10 binary)
LED value setting = 3 (11 binary)
Peak current value setting = 0 (00 binary)
Rev. 0 | Page 4 of 24
Symbol
C
L
MIN
Conditions
T
T
T
A
A
A
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +125°C
Min
4.0
4.0
1.5
Min
9.0
1.13
1.35
1.58
1.8
Typ
Typ
150
140
9.5
1.25
1.5
1.75
2.0
1.2
4.3
4.6
4.0
4.9
Max
20
2.8
Max
10.1
1.38
1.65
1.93
2.2
1.3
Unit
μF
μF
μH
Unit
°C
°C
V
A
A
A
A
V
V
V
V
V