AP3842C Ver la hoja de datos (PDF) - BCD Semiconductor
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AP3842C Datasheet PDF : 13 Pages
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Data Sheet
CURRENT MODE PWM CONTROLLER
AP384XC
Electrical Characteristics
(VCC=15V, RT=10kΩ CT=3.3nF, TA= -40 to 85oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max Unit
REFERENCE SECTION
Reference Output Voltage
Total Output Variation
Line Regulation
Load Regulation
Short Circuit Output Current
Temperature Stability
OSCILLATOR SECTION
VREF
∆VREF
∆VREF
ISC
TJ=25oC, IREF=1mA
Line, Load, Temp.
12V ≤ VCC ≤25V
1mA ≤ IREF ≤20mA
TA=25oC
4.90 5.00 5.10
V
4.82
5.18
V
4
15
mV
4
15
mV
-100 -180 mA
0.2
0.4 mV/oC
Oscillation Frequency
Oscillator Amplitude
Temperature Stability
f
VOSC
TJ=25oC
Pin 4, peak to peak (Note 6)
(Note 6)
47
52
57
KHz
1.7
V
2.5
%
Voltage Stability
Discharge Current
12V ≤ VCC ≤ 25V
Vpin 4 =2V(Note 7)
0.2
1
%
8.5
9.5
10.5
mA
ERROR AMPLIFIER SECTION
Input Voltage
Output Sink Current
Output Source Current
High Output Voltage
Low Output Voltage
Voltage Gain
Power Supply Rejection Ratio
CURRENT SENSE SECTION
VI
ISINK
ISOURCE
VOH
VOL
PSRR
Vpin 1=2.5V
Vpin1=1.1V
Vpin1=5V
RL=15kΩ to GND
RL=15kΩ to pin 8
2V ≤ VO ≤ 4V
12V ≤ VCC ≤ 25V
2.45 2.50 2.55
V
5
8
mA
-0.5
-0.8
mA
5
7
V
0.7
1.1
V
65
90
dB
60
70
dB
Maximum Input Signal
Gain
VI(MAX) Vpin1=5V(Note 4)
GV
(Note 4, 5)
0.9
1
1.1
V
2.85
3
3.15 V/V
Power Supply Rejection Ratio
Delay to Output
Input Bias Current
OUTPUT SECTION
PSRR
IBIAS
12V ≤ VCC ≤ 25V (Note 4, 6)
Vpin3 = 0 to 2V (Note 6)
70
dB
150
300
ns
-3
-10
µA
Low Output Voltage
High Output Voltage
Rise Time
Fall Time
Sep. 2006 Rev. 1. 1
VOL
VOH
ISINK = 20mA
ISINK = 200mA
ISOURCE = 20mA
ISOURCE = 200mA
0.1
0.4
V
1.4
2.2
V
13
14
V
12
13
V
tR
TJ=25oC, CL=1nF (Note 6)
tF
TJ=25oC, CL=1nF (Note 6)
50
150
ns
50
150
ns
BCD Semiconductor Manufacturing Limited
6
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