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CS52843EDR14 데이터시트(PDF) 2 Page - Cherry Semiconductor Corporation

부품명 CS52843EDR14
상세설명  Current Mode PWM Control Circuit
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제조업체  CHERRY [Cherry Semiconductor Corporation]
홈페이지  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

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Electrical Characteristics: -40 ≤ TA ≤ 85˚C; VCC = 15V (Note 1); RT = 680Ω; CT = .022µF for triangle mode,
RT = 10kΩ; CT = 3.3nF sawtooth mode unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
Reference Section
Output Voltage
TJ = 25˚C, IREF = 1mA
4.90
5.00
5.10
V
Line Regulation
12 ≤ VCC ≤ 25V
6
20
mV
Load Regulation
1 ≤ IRE F≤ 20mA
6
25
mV
Temperature Stability
(Note 1)
0.2
0.4
mV/˚C
Total Output Variation
Line, Load, Temp. (Note 1)
4.82
5.18
V
Output Noise Voltage
10Hz ≤ f ≤ 10kHz, TJ = 25˚C (Note 1)
50
µV
Long Term Stability
TA = 125˚C, 1000 Hrs. (Note 1)
5
25
mV
Output Short Circuit
TA = 25˚C
-30
-100
-180
mA
s
Oscillator Section
Initial Accuracy
Sawtooth Mode, TJ = 25˚C (Note 1)
47
52
57
kHz
Triangle Mode, TJ = 25˚C
44
52
60
kHz
Voltage Stability
12 ≤ VCC ≤ 25V
0.2
1.0
%
Temperature Stability
Sawtooth Mode TMIN ≤ TA ≤ TMAX
5%
Triangle Mode TMIN ≤ TA ≤ TMAX (Note 1)
8
%
Amplitude
VOSC (peak to peak)
1.7
V
Discharge Current
TJ = 25˚C
7.3
8.3
9.3
mA
TMIN ≤ TA ≤ TMAX
6.8
9.8
mA
s
Error Amp Section
Input Voltage
VCOMP = 2.5V
2.42
2.50
2.58
V
Input Bias Current
VFB = 0V
-0.3
-2.0
µA
AVOL
2 ≤ VOUT ≤ 4V
65
90
dB
Unity Gain Bandwidth
(Note 1)
0.7
1.0
MHz
PSRR
12 ≤ VCC ≤ 25V
60
70
dB
Output Sink Current
VFB = 2.7V, VCOMP = 1.1V
2
6
mA
Output Source Current
VFB = 2.3V, VCOMP = 5V
-0.5
-0.8
mA
VOUT HIGH
VFB = 2.3V, RL = 15kΩ to Gnd
5
6
V
VOUT LOW
VFB = 2.7V, RL = 15kΩ to VREF
0.7
1.1
V
s
Current Sense Section
Gain
(Notes 2 & 3)
2.85
3.00
3.15
V/V
Maximum Input Signal
VCOMP = 5V (Note 2)
0.9
1.0
1.1
V
PSRR
12 ≤ VCC ≤ 25V (Note 2)
70
dB
Input Bias Current
VSense=0V
-2
-10
µA
Delay to Output
TJ=25˚C (Note 1)
150
300
ns
s
Output Section
Output Low Level
ISINK = 20mA
0.1
0.4
V
ISINK = 200mA
1.5
2.2
V
Output High Level
ISOURCE = 20mA
13.0
13.5
V
ISOURCE = 200mA
12.0
13.5
V


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