IL3842
ELECTRICAL CHARACTERISTICS (Vcc=15V unless otherwise noted)
Characteristics
REFERENCE SECTION
Symbol
Min
Max
Unit
4.9
4.865
5.1
5.135
Reference Output Voltage (IO=1.0mA, VCC=15V,TA=25±10°C)
(IO=1.0mA, VCC=15V,TA= Tlow to Thigh)
Vref
V
Line Regulation
(VCC=12V to 25V,TA=Tlow to Thigh)
Regline
Regload
20
25
mV
mV
Load Regulation (IO=1.0 to 20mA,TA=Tlow to Thigh)
Total Output Variation over Line,Load,Temperature (Note1)
(VCC=12V, IO=1.0mA,TA=Tlow to Thigh)
(VCC=25V, IO=20mA,TA=Tlow to Thigh)
Output Short Circuit Current (VCC=15V)
Vfinal
ISC
4.82
-30
5.18
-180
V
mA
OSCILLATOR SECTION
Frequency (VCC=15V,Tj=25°C,RT=10k,CT=3.3nF)
(VCC=15V, TA=Tlow to Thigh,RT=10k,CT=3.3nF)
Frequency Change with Voltage
(VCC=12V to 25V, TA=Tlow to Thigh,RT=10k,CT=3.3nF)
Discharge Current (Vosc=2.0V, VCC=15V)
Tj=25°C
47
46
57
60
fosc
kHz
%
Δfosc/ΔV
1.0
7.5
7.2
9.3
9.5
Idisch
mA
TA=Tlow to Thigh
ERROR AMPLIFIER SECTION
Voltage Feedback Input (VO=2.5V,VCC=15V, TA=Tlow to Thigh)
VFB
IIB
2.42
2.58
-2.0
V
Input Bias Current (VFB=2.7V,VCC=15V, TA=Tlow to Thigh)
µA
Open Loop Voltage Gain
(VO=2.0V to 4.0V,VCC=15V, TA=Tlow to Thigh)
Unity Gain Bandwidth (VCC=15V, TA=Tlow to Thigh)
AVOL
BW
65
dB
0.7
MHz
Power Supply Rejection Ratio
(VCC=12V to 25V, TA=Tlow to Thigh)
PSRR
60
dB
Output Current
Sink (VO=1.1V,VFB=2.7V, VCC=15V, TA=Tlow to Thigh)
Source (VO=5.0V,VFB=2.3V, VCC=15V, TA=Tlow to Thigh)
Output Voltage Swing
ISink
ISource
2.0
-0.5
mA
High State (VFB=2.3V, VCC=15V,RL(GND)=15k, TA=Tlow to Thigh)
Low State (VFB=2.7V, VCC=15V,RL(5.0)=15k, TA=Tlow to Thigh)
VOH
VOL
4.8
V
1.1
CURRENT SENSE SECTION
Current Sense Input Voltage Gain
(VFB=0V, VCC=15V, TA=Tlow to Thigh)
Maximum Current Sense Input Threshold
(VFB=0V, VCC=15V, TA=Tlow to Thigh)
Input Bias Current (VCC=15V, TA=Tlow to Thigh)
Propagation Delay (Current Sense Input to Output)
(VCC=15V, TA=Tlow to Thigh)
Av
2.85
0.9
3.15
V/V
Vth
IIB
1.1
-10
V
µA
tPLH
300
ns
2011, February, Rev. 03
IKSEMICON [ IK SEMICON CO., LTD ]
