IL3842 查看數據表（PDF） - Integral Corp.
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IL3842 Datasheet PDF : 5 Pages
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IL3842
ELECTRICAL CHARACTERISTICS (Vcc=15V unless otherwise noted)
Characteristics
REFERENCE SECTION
Reference Output Voltage (IO=1.0mA, VCC=15V,TA=25±10°C)
(IO=1.0mA, VCC=15V,TA= Tlow to Thigh)
Line Regulation
(VCC=12V to 25V,TA=Tlow to Thigh)
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)
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
TA=Tlow to Thigh
ERROR AMPLIFIER SECTION
Voltage Feedback Input (VO=2.5V,VCC=15V, TA=Tlow to Thigh)
Input Bias Current (VFB=2.7V,VCC=15V, TA=Tlow to Thigh)
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)
Power Supply Rejection Ratio
(VCC=12V to 25V, TA=Tlow to Thigh)
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
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)
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)
Symbol Min
Vref
Regline
Regload
Vfinal
4.9
4.865
4.82
ISC
-30
fosc
47
46
∆fosc/∆V
Idisch
7.5
7.2
VFB
IIB
AVOL
BW
PSRR
ISink
ISource
VOH
VOL
2.42
65
0.7
60
2.0
-0.5
5.0
Av
2.85
Vth
0.9
IIB
tPLH
Max
5.1
5.135
20
25
5.18
-180
57
60
1.0
9.3
9.5
2.58
-2.0
1.1
3.15
1.1
-10
300
Unit
V
mV
mV
V
mA
kHz
%
mA
V
µA
dB
MHz
dB
mA
V
V/V
V
µA
ns
3
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