AV3843B 查看數據表（PDF） - Avic Technology
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AV3843B Datasheet PDF : 6 Pages
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@vic AV3842B / 3843B LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
PARAMETER
SYMBOL
Total power supply and Zener current
(ICC + Iz)
Output current, source or sink (note1)
Io
Output energy (capacitive load per cycle)
W
Current sense and voltage feedback
Vin
inputs
Error Amp. Output sink current
Io
Power dissipation and thermal
PD
characteristics
PθJA
Operating junction temperature
Tj
Operating ambient temperature
TA
Storage temperature range
Tstg
VALUE
30
1.0
5.0
-0.3 ~ +5.5
10
DIP:1250
SOP: 702
DIP: 100
SOP: 178
+150
0 ~ +70
-65 ~ +150
UNIT
mA
A
µJ
V
mA
mW
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS (0°C <=TA<=70°C,VCC=15V[note 2],RT=10k,CT=3.3nF,unless
otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Reference Section
Output Voltage
VREF
Io=1.0mA,Tj=25°C
4.9 5.0 5.1
V
Line Regulation
Regline
Vcc=12V to 25V
2.0 20 mV
Load Regulation
Regload
Io=1.0mA to 20mA
3.0
25
mV
Temperature Stability
Ts
0.2
mV/°C
Total Output Variation
Vref
Line, Load, Temperature
4.82
5.18 V
Output Noise Voltage
Vn
F=10kHz to 10Hz,Tj=25°C
50
uV
Long Term Stability
S
TA=125°C,1000Hrs
5
mV
Output Short Circuit Current
ISC
-30 -85 -180 mA
Oscillator Section
Frequency
Tj=25°C
TA=0°C to 70°C
Tj=25°C (RT=6.2k,CT=1.0nF)
49
52
55 kHz
48
56
225 250 275
Frequency Change with Voltage ∆fOSC/∆V
12<=Vcc<=25V
0.2 1.0
%
Frequency Change with
Temperature
∆fOSC/∆T
0°C <=TA<=70°C
0.5
%
Oscillator Voltage Swing(Peak to VOSC
1.6
V
Peak)
Discharge Current
Idischg
Tj=25°C
0°C <=TA<=70°C
7.8 8.3 8.8 mA
7.6
8.8
Error Amplifier Section
Voltage Feedback Input
VFB
Vo=2.5V
2.42 2.50 2.58 V
Input Bias Current
IIB
VFB=5.0V
-0.1 -2.0 µA
Open Loop Voltage Gain
AVOL
2 <=Vo<=4V
65
90
dB
Unity Gain Bandwidth
BW
Tj=25°C
0.7 1.0
MHz
Power Supply Rejection Ratio
PSRR
I2V<=Vcc<=25V
60
70
dB
Output Sink Current
Isink
Vo=1.1V,VFB =2.7V
2.0
12
mA
Output Source Current
Isource
Vo=5.0V,VFB=2.3V
-0.5 -1.0
mA
Output Voltage Swing High State VOH
VFB=2.3V, RL=15k to GND
5.0 6.2
V
Output Voltage Swing Low State VOL
VFB=2.7V, RL=15k to Vref
0.8 1.1
V
Current Sense section
Current Sense Input Voltage
Av
(note 3,4)
2.85 3.0 3.15 V/V
Gain
QW-R103-012,A
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