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AP384XG Datasheet(PDF) 5 Page - Advanced Analogic Technologies

Part # AP384XG
Description  GREEN MODE PWM CONTROLLER
PDF  10 Pages
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Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AP384XG Datasheet(HTML) 5 Page - Advanced Analogic Technologies

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GREEN MODE PWM CONTROLLER
AP384XG
Preliminary Datasheet
BCD Semiconductor Manufacturing Limited
(VCC=15V, RT=10kΩ CT=3.3nF, TA= -40 to 85oC, unless otherwise specified.)
Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage
VREF
TJ=25oC, IREF=1mA
4.95
5.00
5.05
V
Total Output Variation
Line, Load, Temp.
4.9
5.10
V
Line Regulation
∆VREF
12V
≤ VCC ≤25V
4
15
mV
Load Regulation
∆VREF
1mA
≤ IREF ≤20mA
4
15
mV
Short Circuit Output Current
ISC
TA=25oC
-100
-180
mA
Temperature Stability
0.2
0.4
mV/oC
UNDER VOLTAGE LOCK OUT SECTION
Start-up Threshold
AP3842G/AP3844G
15
16
17
V
AP3843G/AP3845G
7.8
8.4
9.0
Minimum Operating Voltage
AP3842G/AP3844G
8.5
10
11.5
V
AP3843G/AP3845G
7.0
7.6
8.2
TOTAL STANDBY CURRENT SECTION
Start-up Current
VCC=14V
40
80
µA
Operating Current
VFB=0, VCS=0, CL=1nF
8
mA
Standby Operating Current
VFB=2.7V, VCS=0.5V
6
mA
Zener Voltage
ICC=25mA
30
34
V
PWM SECTION
Maximum Duty Cycle
AP3842G/AP3843G
94
96
%
AP3844G/AP3845G
46
48
50
Minimum Duty Cycle
0%
OSCILLATOR SECTION
Oscillation Frequency
f
TJ=25oC
47
52
57
KHz
Oscillator Amplitude
VOSC
Pin RT/CT, peak to peak
1.7
V
Temperature Stability
2
%
Voltage Stability
12V ≤ VCC ≤ 25V
0.2
1
%
Discharge Current
VRT/CT = 2V (Note 4)
8.5
9.5
10.5
mA
Note 4: This parameter is measured with RT=10kΩ to VREF, it contributes 0.3mA of current to the measured value.
So the total current flowing into the CT pin will be 0.3mA higher than the measured value approximately.



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