ICL5101_16 Datasheet, PDF (11/44 Pages) Infineon Technologies AG – Resonant controller IC with PFC for LED driver

Operating FLOW Chart ICL5101
ICL5101
Functional Description
Vcc < 10.6V
UVLO
Vcc < 10.6V
Icc < 130µA
Vcc > 10.6V
Monitoring
Vcc > 10.6V
Icc < 160µA
f = 135kHz
(fixed)
f = 135kHz
(fixed)
V_BUS < 12,5%
or V_BUS > 105%
Frequency:
f = 135kHz (fix)
t_Start-uptyp ~ 12ms
Vcc < Vccon(14.0V)
OTP Detection
Power-up
Gate Drives off
Vcc > 14.0V
Icc approx 6.0mA
after 130µs
& V_BUS > 12,5%
& V_BUS< 105%
Start-up
Inverter Gates ON
PFC Gate ON
17.5V> Vcc >10.6V
f_Inv = f_FIXED
V_BUS > 95%
within 80ms
Softstart
17.5V> Vcc >10.6V
f_FIXED => f_RUN
See
Timing and Handling of
Fault Conditions
See
Protection
Functions
Fault
17.5V> Vcc >10.6V
Icc < 170µA
Gate Drives off
f = f_RUN
(SET)
Frequency DECREASE:
f = 135kHz to f_RUN (SET)
t_SS = 11mstyp (digital)
t_SaturationControltyp = 45ms
NO Impact on Time to Light
t_Blanking = 625ms
Saturation
Control
Timeout 237ms
17.5V> Vcc >10.6V
f = f_RUN
Extended Sat
Control
17,5V> Vcc >10.6V
f = f_RUN
after
t_Blanking
Run
17.5V> Vcc >10.6V
f = f_RUN
Complete Monitoring
Figure 4 Operating Flowchart for LED Applications
Datasheet
11
Rev. 1.3, 2016-01-15