IRS2980S Просмотр технического описания (PDF) - International Rectifier
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IRS2980S Datasheet PDF : 18 Pages
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IRS2980S
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.
Symbol
Definition
Low Voltage Supply Characteristics
VCLAMP VCC Zener Clamp Voltage
IQCCUV Micropower Startup VCC Supply Current
High Voltage Regulator Characteristics
VCCREG VCC Regulation Voltage
IREG_MAX Maximum Regulator Current
VHVMIN
†
Minimum HV required for regulator
Min
14.6
---
8.9
---
---
Typ Max Units Test Conditions
15.6 16.6 V ICC = 10mA
250 --- µA VCC = 6V
9.9 10.9 V ICC = 1mA
3
5 mA Vcc = 0V
60 --- V
High Side Voltage Supply Characteristics
VHVS+
VHVS-
High Side UVLO Positive Threshold
High Side UVLO Negative Threshold
8.3 9.3 10.3
6.3
7.3 8.3
V
Control Characteristics
fMAX Maximum Output Frequency
dMAX
VCS
VCS-HYS
Buck Duty Cycle
††
Current Regulation Threshold
Current Regulation Hysteresis
Dimming Characteristics
--- 150 --- kHz
--- 100 --- %
--- 0.5 --- V
--- 100 --- mV
IRAMP
VRAMP+
RAMP Pin Charging Current
RAMP Pin Shutdown Threshold
--- 15 --- µA
--- 2.0 ---
VRAMP-
dPWM
RAMP Pin Re-start Threshold
Dimming Duty Cycle
--- 0.2 ---
0
100 %
†
VCC can be supplied from an alternative source for the IRS2980S to operate with bus voltages
below this level.
†† Various tolerances on VCS are available upon request
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© 2011 International Rectifier
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