LDS8621 IXYS Corporation, LDS8621 Datasheet - Page 2

• Manufacturer Part Number: LDS8621
• Description: Lds8621 200 Ma, Dual Output Led Flash/lamp Driver
• Manufacturer: IXYS Corporation

LDS8621
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
(Over recommended operating conditions unless specified otherwise) Vin = 3.6V, Cin = Cout = 1µF, C1 = C2 =
0.22 µF, EN = High, T
© 2009 IXYS Corp.
Characteristics subject to change without notice
Vin, LEDx, C1±, C2± voltage
Vout voltage
EN/SET voltage
Storage Temperature Range
Junction Temperature Range
Soldering Temperature
Vin
Ambient Temperature Range
I
Total Output Current
Name
Quiescent Current
Shutdown Current
LED Current Accuracy
LED Channel Matching
Output Resistance (open loop)
Charge Pump Frequency
Output short circuit Current Limit
Input Current Limit
1x to 1.33x, 1.33x to 1.5x, or 1.5x to 2x
Transition Thresholds at any LED pin
1.33x to 1x Mode Transition Hysteresis
Transition Filter Delay
PWM1,
PWM2
Pins
Thermal Shutdown, T
Thermal Hysteresis, T
Under Voltage Lockout (UVLO)
Threshold
Over Voltage Protection
PWM frequency
PWM duty cycle
LED
per LED pin
Input Leakage
Logic Level
Parameter
Parameter
AMB
SD
SD_HS
= 25°C
High
Low
Conditions
1x mode
1.33 x mode
1.5x mode@ 3V
2x mode @ 2.7V
V
1.5 mA ≤Iled ≤96 mA
(I
1x mode
1.33x mode
1.5x mode
2x mode
1.33x and 2x mode
1.5x mode
Vout < 0.5V
Vout > 1V
I
LEDA,B
LED
EN
= 0V
- I
= 60 mA
LEDAVG
2
-65 to +160
-40 to +125
Vin + 0.7V
-40 to +85
2.7 to 5.5
0 to 192
Rating
Rating
0 to 96
) / I
300
6.5
6
LEDAVG
Min
100
1.3
-1
1
Unit
Unit
mA
mA
°C
°C
°C
°C
V
V
V
V
Typ
450
600
800
150
1.5
3.5
5.5
6.5
0.7
3.5
5.5
6.5
0.8
1.1
2.1
±3
±3
35
50
20
100000
Max
100
0.4
6.2
1
1
Doc. No. 8621DS, Rev. N1.0
Units
MHz
mA
mA
mA
mV
mV
µA
µA
Hz
µs
°C
%
%
%
Ω
V
V
V