INTELLIGENT VOLTAGE MODE PWM IC
KA3511/D
ELECTRICAL CHARACTERISTICS (VCC=20V, TA=25°C)
Characteristic
Symbol
Test Condition
REFERENCE SECTION
Reference output voltage
Vref
Line regulation
Load regulation
Temperature coefficient of Vref (1)
∆Vref.LINE
∆Vref.LOAD
∆Vref/∆T
Short-circuit output current
ISC
OSCILLATOR SECTION
Oscillation frequency
fosc
Frequency change with
temperature (1)
fosc/T
DEAD TIME CONTROL SECTION
Input bias current
Maximum duty voltage
Input threshold voltage
IB(DT)
DCMAX
VTH(DT)
ERROR AMP SECTION
Inverting reference voltage
Input bias current
Open-loop voltage gain (1)
Unit-gain bandwidth (1)
Output sink current
Output source current
PWM COMPARATOR SECTION
Input threshold voltage
OUTPUT SECTION
Output saturation voltage
Collector off-state current
Rising time
Falling time
PROTECTION SECTION
Over voltage protection for 3.3V
Vref(EA)
IB(EA)
GVO
BW
ISINK
ISOURCE
VTH(PWM)
VCE(SAT)
IC(off)
TR
TF
VOVP1
Iref=1mA
14V≤VCC≤30V
1mA≤Iref≤10mA
-25°C≤Ta≤85°C
Vref=0
CT=0.01uF, RT=12k
CT=0.01uF, RT=12k
Pin19 (DTC)=0V
Zero Duty Cycle
Max. Duty Cycle
VCOMP=2.5V
0.5V≤VCOMP≤3.5V
VCOMP=0.7V
VCOMP=3.5V
Zero Duty Cycle
IC=200mA
VCC=VC=30V, VE=0V
Min.
4.9
–
–
–
15
–
–
–
45
–
0
1.20
–
70
–
0.3
-2.0
–
–
–
–
–
3.8
Value
Typ.
5
2.0
1.0
0.01
35
10
2
-2.0
48
3.0
–
1.25
-0.1
95
650
0.9
-4.0
4
1.1
2
100
50
4.1
Max.
5.1
25
15
–
75
–
–
-10
50
3.3
–
1.30
-1.0
–
–
–
–
4.5
1.3
100
200
200
4.3
Unit
V
mV
mV
%/°C
mA
kHz
%
uA
%
V
V
uA
dB
kHz
mA
mA
V
V
uA
ns
ns
V