PJ3844B Просмотр технического описания (PDF) - Promax Johnton
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PJ3844B Datasheet PDF : 14 Pages
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PJ3844B / PJ3845B
High Performance Current Mode Controller
MAXIMUM RATING
Parameter
Symbol
Value
Unit
Supply Voltage (low impedance source)
Supply Voltage (Ii<30mA)
Output Current
Output Energy (capacitive load )
Analog Inputs (pins 2,3 )
Error Amplifier Output Sink Current
Storage Temperature Range
Vi
30
V
Vi
Self Limiting
IO
±1
A
EO
5
V
-0.3 to 6.3
mJ
10
mA
Tstg
-65 to +150
℃
* All voltages are with respect to pin 5,all currents are positive into the specified terminal.
ELECTRICAL CHARACTERISTICS (VCC = 15V (Note 2), RT =10K, CT=3.3nF, TA=Tlow to Thigh(Note 3) unless otherwise noted)
(Unless otherwise stated , these specifications apply for 0<Tamb<70℃；Vi = 15V (Note 5), RT=10K, CT=3.3nF )
Parameter
Symbol
Test Conditions
PJ3844B / PJ3845B
Unit
Min
Typ
Max
REFERENCE SECTION
Output Voltage
VREF
Io=1mA,TJ = 25℃
4.90
5.00
5.10
V
Line Regulation
△VREF 12V<Vi<25V
-
6
20
mV
Load Regulation
△VREF 1<Io<20mA
-
6
25
mV
Temperature Stability (Note2) △VREF /△T
-
0.2
0.4 mV/℃
Total Output Variantion
Output Noise Voltage
Long Term Stability
Line,Load, Temperature(2)
Vn
10Hz<f<10kHz
TJ=25℃ (2)
Tamb=125℃, 1000Hrs(2)
4.82
-
5.18
V
-
50
-
mV
-
5
25
mV
Output Short Circuit
OSCILLATOR SECTION
Initial Accuracy
Isc
fs
TJ=25℃
-30
-100
-180
mA
47
52
57
KHz
Voltage Stability
12<Vi<25V
-
0.5
3
%
Temperature Stability
TMIN <Tamb<TMAX (2)
-
5
-
%
Amplitude VPIN4 Peak to Peak
ERROR AMPLIFIER SECTION
Input Voltage (Vo=2.5V)
Input Bias Current
Unity Gain Bandwidth (2)
Supply Voltage Rejection
Output Current
Sink
Source
Output Voltage Swing
High State
Output Voltage Swing
Low State
V4
V2
IB
AVOL
B
SVR
Isink
ISource
VOH
VOL
VPIN1=2.5V
2<Vo<4V
VPIN2=2.7V, VPIN1=1.1V
VPIN2=2.3V, VPIN1=5V
VPIN2=2.3V,
RL=15KΩ to Ground
VPIN2=2.7V,
RL=15KΩ to Pin8
-
1.7
-
V
2.42
2.50
2.58
V
-
-0.3
-2.0
mΑ
65
90
-
dB
0.7
1.0
-
MHz
60
70
-
dB
2.0
6
-
V
-0.5
-0.8
-
4.55
4.85
-
V
-
0.7
1.1
V
2-14
2004/11. Rev B
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