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Resonant controller IC

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ICL5101 pdf
Resonant controller IC with PFC for
LED driver
Ref. 1.0, 2015-02-16
Power Management & Multimarket

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ICL5101 pdf
Resonant controller IC with PFC for LED driver
Product highlights
Supports universal input and wide output range
Low count of external components supporting
small form factors and improved reliability
All parameters set by simple resistors only
Supports outdoor use by extended junction
temperature range from -40 °C to +125 °C
Stable low load operation mode down to 0.1 %
of nominal power rating
Comprehensive set of protection features incl.
external over temperature protection and
capacitive load protection to increase system
Ultra-fast time to light < 200 ms
Power Factor Correction > 99 %, THD < 5 %
High efficiency up to 94 %
PFC feature set
PFC in CritCM mode during nominal load and
DCM mode in low load condition down to 0.1 %
for operation without audible noise
Improved compensation for low THD of AC
input current even in DCM operation
Adjustable PFC current limitation
Resonant half bridge feature set
Fully integrated 650 V high-side driver
Self-adaptive dead time control of the integrated
half bridge driver 500 ns – 1.0 µs
Detection of capacitive operation, overload,
short circuitry and output overvoltage
Improved operation control in magnetic
saturation during start-up
Advanced error detection control
LED driver, e.g. commercial or residential
lighting systems > 50 W
Integrated electronic control gear for LED
The LED Resonant controller ICL5101
is designed to control resonant converter
topologies. The PFC stage operates in CrCM and
DCM mode, supporting low load conditions.
Integrated high and low side drivers assure a low
count of external components, enabling small form
factor designs.
ICL5101 parameters are adjusted by simple
resistors only, this being the ideal choice to ease
the design-in process. A comprehensive set of
protection features ensures that the LED driver
detects fault conditions, protecting both the LED
driver and the LED load. Figure 1 shows a typical
application circuit of a 110 W constant voltage LED
Figure 1. Typical Application
Product type
Ref. 1.0, 2015-02-16

Part Number ICL5101
Description Resonant controller IC
Maker Infineon - Infineon
Total Page 30 Pages
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