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參數(shù)資料
| 型號： | CS52845ED14 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, PDSO14 |
| 封裝： | 0.150 INCH, MS-012, SO-14 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 55K |
| 代理商： | CS52845ED14 |
2
Electrical Characteristics: -40
≤ T
A ≤ 85°C; VCC = 15V (Note 1); RT = 10k; CT = 3.3nF for sawtooth mode.unless otherwise stated.
CS52845
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s Reference Section
Output Voltage
TJ=25°C, IREF=1mA
4.95
5.00
5.05
V
Line Regulation
12
≤V
CC≤25V
6
20
mV
Load Regulation
1
≤I
REF≤20mA
6
25
mV
Temperature Stability
(Note 2)
0.2
0.4
mV/°C
Total Output Variation
Line, Load, Temp. (Note 2)
4.90
5.10
V
Output Noise Voltage
10Hz
≤f≤10kHz, T
J=25°C (Note 2)
50
V
Long Term Stability
TA=125°C, 1000 Hrs. (Note 2)
5
25
mV
Output Short Circuit
TA=25°C
-30
-100
-180
mA
s Oscillator Section
Initial Accuracy
Sawtooth Mode, TJ=25°C
47
52
57
kHz
Voltage Stability
12
≤V
CC≤25V
0.2
1.0
%
Temperature Stability
Sawtooth Mode TMIN≤TA≤TMAX
(Note 2)
5
%
Amplitude
VOSC (peak to peak)
1.7
V
s Error Amp Section
Input Voltage
VCOMP=2.5V
2.45
2.50
2.55
V
Input Bias Current
VFB=0V
-0.3
-1.0
A
AVOL
2
≤V
OUT≤4V
65
90
dB
Unity Gain Bandwidth
(Note 2)
0.7
1.0
MHz
PSRR
12
≤V
CC≤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=15k to Gnd
5
6
V
VOUT LOW
VFB=2.7V, RL=15k to VREF
0.7
1.1
V
s Current Sense Section
Gain
(Notes 3 & 4)
2.85
3.00
3.15
V/V
Maximum Input Signal
VCOMP=5V (Note 3)
0.9
1.0
1.1
V
PSRR
12
≤V
CC≤25V (Note 3)
70
dB
Input Bias Current
VSense=0V
-2
-10
A
Delay to Output
TJ=25°C (Note 2)
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
Rise Time
TJ=25°C, CL=1nF (Note 2)
50
150
ns
Fall Time
TJ=25°C, CL=1nF (Note 2)
50
150
ns
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