AP3842C Datasheet, PDF (6/14 Pages) BCD Semiconductor Manufacturing Limited – CURRENT MODE PWM CONTROLLER

Data Sheet
CURRENT MODE PWM CONTROLLER
AP384XC
Electrical Characteristics
(V_CC=15V, R_T=10kΩ C_T=3.3nF, T_A=25^oC, 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
V_REF
ΔV_REF
ΔV_REF
I_SC
T_A=25^oC, I_REF=1mA
Line, Load, Temp.
12V ≤ V_CC ≤25V
1mA ≤ I_REF ≤20mA
T_A=25^oC
(Note 6)
4.90 5.00 5.10
V
4.82
5.18
V
4
15
mV
4
15
mV
-100 -180 mA
0.3
mV/^oC
Oscillation Frequency
Oscillator Amplitude
Temperature Stability
f
V_OSC
T_A=25^oC
Pin 4, peak to peak (Note 6)
(Note 6)
47
52
57
KHz
1.7
V
2.5
%
Voltage Stability
Discharge Current
12V ≤ V_CC ≤ 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
V_I
I_SINK
I_SOURCE
V_OH
V_OL
PSRR
Vpin 1=2.5V
Vpin1=1.1V
Vpin1=5V
RL=15kΩ to GND
RL=15kΩ to pin 8
2V ≤ V_O ≤ 4V
12V ≤ V_CC ≤ 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
V_I(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
I_BIAS
12V≤ V_CC≤ 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
V_OL
V_OH
t_R
t_F
I_SINK = 20mA
I_SINK = 200mA
I_SOURCE = 20mA
I_SOURCE = 200mA
T_A=25^oC, C_L=1nF (Note 6)
T_A=25^oC, C_L=1nF (Note 6)
0.1
0.4
V
1.4
2.2
V
13
14
V
12
13
V
50
150
ns
50
150
ns
Jul. 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
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