IRS2980S IRF [International Rectifier], IRS2980S Datasheet - Page 7

• Manufacturer Part Number: IRS2980S
• Description: LED DRIVER CONTROL IC
• Manufacturer: IRF [International Rectifier]

www.irf.com
Electrical Characteristics
VHV=100V, VCC=14V, CVCC=0.1μF, CHVS=22nF, and TA = 25°C unless otherwise specified. The output
voltage and current (VO and IO) parameters are referenced to COM and are applicable to OUT.
†
††
Low Voltage Supply Characteristics
High Voltage Regulator Characteristics
High Side Voltage Supply Characteristics
Control Characteristics
Dimming Characteristics
Symbol
V
V
I
V
V
I
V
REG_MAX
V
QCCUV
I
V
CCREG
V
d
CLAMP
f
RAMP
RAMP+
d
RAMP-
CS-HYS
V
MAX
HVMIN
HVS+
PWM
HVS-
MAX
CS
VCC can be supplied from an alternative source for the IRS2980S to operate with bus voltages
below this level.
Various tolerances on V
V
Micropower Startup V
VCC Regulation Voltage
Maximum Regulator Current
Minimum HV required for regulator
High Side UVLO Positive Threshold
High Side UVLO Negative Threshold
Maximum Output Frequency
Buck Duty Cycle
Current Regulation Threshold
Current Regulation Hysteresis
RAMP Pin Charging Current
RAMP Pin Shutdown Threshold
RAMP Pin Re-start Threshold
Dimming Duty Cycle
CC
Zener Clamp Voltage
Definition
CS
are available upon request
CC
Supply Current
††
†
7
14.6
8.3
6.3
Min
8.9
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0
15.6
Typ
250
150
100
100
2.0
0.2
9.9
9.3
7.3
0.5
60
15
3
Max
16.6
10.9
10.3
100
8.3
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5
Units
kHz
mA
mV
µA
µA
%
%
V
V
V
V
V
© 2011 International Rectifier
I
V
I
Vcc = 0V
Test Conditions
CC
CC
CC
= 10mA
= 1mA
= 6V
IRS2980S