ia2521 integration, ia2521 Datasheet - Page 4

• Manufacturer Part Number: ia2521
• Description: Ia2521 Camera Flash Led Driver
• Manufacturer: integration

Electrical Characteristics
Test conditions T
The • denotes specifications which apply over the full operating temperature range.
Parameters
VCC
Leakage Current
ENABLE
Threshold
Input Current
Torch Mode Turn-on Time
Flash Mode Turn-on Time
LX
Switch Resistance
Current Limit
ITORCH
Current Output
Current Temperature Variation
ITORCH Range
IFLASH
Current Output
Current Temperature Variation
IFLASH Range
Rise Time
OTHER
Switching frequency
Frequency Temperature Variation
Frequency Dither
Dither Dwell
Efficiency
Maximum Duty Cycle
Open Circuit Output Voltage Clamp
Thermal Shutdown
Thermal Shutdown Hysteresis
A
= 25 ºC, Vcc=3.5V, unless otherwise noted.
ENABLE = Low
Low-to-High
High-to-Low
ENABLE = High
ENABLE = Low
High-Side
Low-Side
ITORCH = 150KΩ,  I FLASH Open
ITORCH = 150KΩ,IFLASH Open
ITORCH = 1MΩ to 120KΩ  , IFLASH Open
IFLASH = 50KΩ, I TORCH = 150kΩ
IFLASH = 50KΩ,ITORCH= 150kΩ
IFLASH = 1MΩ to 70KΩ ,  I TORCH = 150kΩ
ILED 200mA to 1A
ILED = 200mA
ILED = 700mA
Condition
•
•
•
•
•
•
•
•
•
Min
170
700
150
400
0.8
40
-1
2
1000
Typ
300
100
215
185
250
500
±10
±20
128
150
2.2
6.0
±5
±5
85
95
89
80
30
1300
1000
Max
320
350
600
2.6
3
1
Cycles
Units
µsec
µsec
µsec
IA2521
kHz
mΩ
mΩ
mA
mA
mA
mA
µA
µA
°C
°C
%
%
%
%
%
%
%
V
V
A
V
4