ICLS6022J Datasheet, PDF (26/33 Pages) Infineon Technologies AG – LED System Driver ICs

4.3.2 Internal Voltage Reference
LED System Driver ICs
ICLS6x Series
Electrical Characteristics
Parameter
Trimmed reference voltage
Symbol
V_REF
Limit Values
Unit
Remarks
min. typ. max.
4.90 5.00 5.10
V measured at pin FB
I_FB = 0
4.3.3 PWM Section
Parameter
Symbol
Limit Values
Unit
Remarks
min. typ. max.
Fixed oscillator frequency
f_OSC3
58 67 76 kHz
f_OSC4
62 67 74.5 kHz T_j = 25 °C
Frequency jittering range
fdelta
– ±2.7 – kHz T_j = 25 °C
Max. duty cycle
D_max
0.70 0.75 0.80
Min. duty cycle
D_min
0
–
–
V_FB < 0.3 V
PWM OP gain
A_V
3.0 3.2 3.4
Max. level of voltage ramp
V_Max-Ramp
– 0.6 –
V
V_FB operating range, min. level
V_FB operating range, max. level
V_FBmin
V_FBmax
– 0.5 –
V
–
– 4.3 V CS=1V limited by comparator C4¹⁾
Feedback pull-up resistor
R_FB
9 14 22 kΩ
Soft start pull-up resistor
R_SoftS
30 45 62 kΩ
1) This parameter is not subject to production testing and is verified by design/characterization
Data Sheet
26
Version 1.0, 2011-05-19