IL44608 Datasheet, PDF (3/13 Pages) IK Semicon Co., Ltd – External Components Reliable and Flexible SMPS Controller

IL44608N
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Total Power Supply Current
Output Supply Voltage with Respect to Ground
All Inputs except Vi
Line Voltage Absolute Rating
Recommended Line Voltage Operating Condition
Power Dissipation and Thermal Characteristics
I_CC
V_CC
V_inputs
V_i
V_i
30
mA
16
V
–1.0 to +16
V
500
V
400
V
Maximum Power Dissipation at TA = 85°C
P_D
600
Thermal Resistance, Junction–to–Air
R_QJA
100
Operating Junction Temperature
T_J
150
Operating Ambient Temperature
T_A
–25 to +85
* Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
mV
ºC/W
ºC
ºC
These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated
under “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS(VCC = 12 V, for typical values TA = 25°C, for min/max values TA = –25°C to +85°C unless otherwise
noted)
Characteristic
Symbol
Min Typ Max Unit
OUTPUT SECTION
Output Resistor
Sink Resistance
ROL
5.0
8.5
15
Ω
Source Resistance
ROH
-
15
-
Output Voltage Rise Time (from 3.0 V up to 9.0 V) (Note 1.)
t_r
Output Voltage Falling Edge Slew–Rate (from 9.0 V down to 3.0 V)
(Note 1.)
t_f
-
50
-
ns
-
50
-
ns
CONTROL INPUT SECTION
Duty Cycle @ I_pin3 = 2.5 mA
d_2mA
-
-
2.0
%
Duty Cycle @ I_pin3 = 1.0 mA
d_1mA
36
-
48
%
Control Input Clamp Voltage (Switching Phase) @ I_pin3 = –1.0 mA
4.75
-
5.25
V
Latched Phase Control Input Voltage (Stand–by) @ I_pin3 = +500 _A
V_LP–stby
3.4
-
4.3
V
Latched Phase Control Input Voltage (Stand–by) @ I_pin3 = +1.0 mA
V_LP–stby
3.4
-
3.7
V
CURRENT SENSE SECTION
Maximum Current Sense Input Threshold
V_CS–th
0.95
-
1.05
V
Input Bias Current
I_B–cs
-1.8
-
1.8
μA
Stand–By Current Sense Input Current
I_CS–stby
180
-
220
μA
Start–up Phase Current Sense Input Current
I_CS–stup
180
-
220
μA
Propagation Delay (Current Sense Input to Output @ VTH T MOS = 3.0 V)
T_PLH(In/Out)
-
220
-
ns
Leading Edge Blanking Duration
IL44608N40
T_LEB
-
480
-
ns
Leading Edge Blanking Duration
IL44608N75
T_LEB
-
250
-
ns
Leading Edge Blanking Duration
IL44608N100
T_LEB
-
200
-
ns
Leading Edge Blanking + Propagation Delay
IL44608N40
T_DLY
500
-
900
ns
Leading Edge Blanking + Propagation Delay
IL44608N75
T_DLY
370
-
570
ns
Leading Edge Blanking + Propagation Delay
IL44608N100
T_DLY
300
-
500
ns
OSCILLATOR SECTION
Normal Operation Frequency
Normal Operation Frequency
Normal Operation Frequency
Maximum Duty Cycle @ f = f_osc
OVERVOLTAGE SECTION
IL44608N40
f_osc
36
-
44
kHz
IL44608N75
f_osc
68
-
82
kHz
IL44608N100
f_osc
90
-
110
kHz
d_max
78
-
86
%
Quick OVP Input Filtering (R_demag = 100 k Ω)
T_filt
-
250
-
ns
Propagation Delay (I_demag > I_ovp to output low)
T_PHL(In/Out)
-
2.0
-
μs
Quick OVP Current Threshold
I_OVP
105
-
140
μA
Protection Threshold Level on V_CC
V_CC–OVP
14.8
-
15.8
V
Minimum Gap Between V_CC–OVP and V_stup–th
V_CC–OVP – V_stup
1.0
-
-
V
NOTE 1: This parameter is measured using 1.0 nF connected between the output and the ground.
2011, February, Rev. 01