CS52843ED14 Просмотр технического описания (PDF) - Cherry semiconductor
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CS52843ED14 Datasheet PDF : 6 Pages
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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
s Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
TJ = 25˚C, IREF = 1mA
4.90
12 ≤ VCC ≤ 25V
1 ≤ IRE F≤ 20mA
(Note 1)
Line, Load, Temp. (Note 1)
4.82
10Hz ≤ f ≤ 10kHz, TJ = 25˚C (Note 1)
TA = 125˚C, 1000 Hrs. (Note 1)
TA = 25˚C
-30
5.00
5.10
6
20
6
25
0.2
0.4
5.18
50
5
25
-100
-180
UNIT
V
mV
mV
mV/˚C
V
µV
mV
mA
s Oscillator Section
Initial Accuracy
Voltage Stability
Temperature Stability
Amplitude
Discharge Current
Sawtooth Mode, TJ = 25˚C (Note 1)
47
Triangle Mode, TJ = 25˚C
44
12 ≤ VCC ≤ 25V
Sawtooth Mode TMIN ≤ TA ≤ TMAX
Triangle Mode TMIN ≤ TA ≤ TMAX (Note 1)
VOSC (peak to peak)
TJ = 25˚C
7.3
TMIN ≤ TA ≤ TMAX
6.8
52
57
kHz
52
60
kHz
0.2
1.0
%
5
%
8
%
1.7
V
8.3
9.3
mA
9.8
mA
s Error Amp Section
Input Voltage
Input Bias Current
AVOL
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
VOUT HIGH
VOUT LOW
VCOMP = 2.5V
VFB = 0V
2 ≤ VOUT ≤ 4V
(Note 1)
12 ≤ VCC ≤ 25V
VFB = 2.7V, VCOMP = 1.1V
VFB = 2.3V, VCOMP = 5V
VFB = 2.3V, RL = 15kΩ to Gnd
VFB = 2.7V, RL = 15kΩ to VREF
2.42
2.50
2.58
V
-0.3
-2.0
µA
65
90
dB
0.7
1.0
MHz
60
70
dB
2
6
mA
-0.5
-0.8
mA
5
6
V
0.7
1.1
V
s Current Sense Section
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
(Notes 2 & 3)
VCOMP = 5V (Note 2)
12 ≤ VCC ≤ 25V (Note 2)
VSense=0V
TJ=25˚C (Note 1)
2.85
3.00
3.15
V/V
0.9
1.0
1.1
V
70
dB
-2
-10
µA
150
300
ns
s Output Section
Output Low Level
Output High Level
ISINK = 20mA
ISINK = 200mA
ISOURCE = 20mA
ISOURCE = 200mA
0.1
0.4
V
1.5
2.2
V
13.0
13.5
V
12.0
13.5
V
2
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