CS3524A Datasheet, PDF (3/8 Pages) Cherry Semiconductor Corporation – Voltage Mode PWM Control Circuit with 200mA Output Drivers

CS3524A
ELECTRICAL CHARACTERISTICS (0°C ≤ T_A ≤ +70°C, V_IN = V_CC = 20 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Turn−On Characteristics
Input Voltage
Operating Range after Turn−On
8.0
−
Turn−On Threshold
−
5.5
7.5
Turn−On Current
Operating Current
Turn−On Hysteresis (Note 3)
V_IN Turn−On − 100 mV
V_IN = 8.0 to 40 V
−
−
2.5
−
5.0
−
0.6
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability (Note 3)
T_A = 25°C
V_IN = 10 to 40 V
I_L = 0 to 20 mA
Over Operating Range
4.9
5.0
−
10
−
20
−
20
Short Circuit Current
Output Noise Voltage (Note 3)
Long Term Stability (Note 3)
Oscillator Section
Initial Accuracy
Temperature Stability (Note 3)
V_REF = 0, T_A = 25°C
−
80
10 Hz ≤ f ≤ 10 kHz, T_A = 25°C
−
40
T_A = 125°C, 1000 Hrs.
−
20
R_T = 2700 W, C_T = 0.01 mF; unless otherwise specified
T_A = 25°C
39
43
Over Operating Temperature Range
−
1.0
Minimum Frequency
Maximum Frequency
Output Amplitude (Note 3)
Output Pulse Width (Note 3)
Ramp Peak
R_T = 150 kΩ, C_T = 0.1 μF
R_T = 2.0 kΩ, C_T = 470 pF
T_A = 25°C
T_A = 25°C
−
−
−
500
−
−
3.5
−
0.5
3.3
3.5
Ramp Valley
−
0.7
0.9
Error Amplifier Section
Input Offset Voltage
V_CM = 2.5 V; unless otherwise specified
−
−
2.0
Input Bias Current
−
−
1.0
Input Offset Current
−
−
0.5
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Output Swing
V_CM = 1.5 to 5.5 V
V_IN = 10 to 40 V
Minimum Total Range
60
75
50
60
0.5
−
Open Loop Voltage Gain
Gain−Bandwidth (Note 3)
Current Limit Amplifier
Input Offset Voltage
Input Offset Voltage
ΔV_OUT = 1.0 to 4.0 V, R_L ≥ 10 MΩ
60
80
T_A = 25°C, A_V = 0 dB
−
3.0
V_SENSE = V_O; unless otherwise specified
T_A = 25°C, EA Set for Max. Output
180
200
Over Operating Temperature Range
170
−
Input Bias Current
−
−
−1.0
Common Mode Rejection Ratio
V_SENSE = 0 to 15 V
50
60
Power Supply Rejection Ratio
V_IN = 10 to 40 V
50
60
3. These parameters are guaranteed by design but not 100% tested in production.
Max
Unit
40
V
8.5
V
4.0
mA
10
mA
−
V
5.2
V
30
mV
50
mA
50
mV
100
mA
−
μV_RMS
50
mV
47
kHz
2.0
%
120
Hz
−
kHz
−
V
−
μs
3.7
V
1.0
V
10
mV
10
μA
1.0
μA
−
dB
−
dB
5.0
V
−
dB
−
MHz
220
mV
230
mV
−10
μA
−
dB
−
dB
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