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參數(shù)資料
| 型號(hào)： | UC3842A-D08-T |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CURRENT MODE PWM CONTROL CIRCUITS |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, DIP8 |
| 封裝： | DIP-8 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 106K |
| 代理商： | UC3842A-D08-T |
UC3842A/3843A
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 9
QW-R103-002,D
ABS OLUT E MAX IMUM RAT INGS
(Ta=25
)
PARAMETER
SYMBOL
V
CC
V
CC
I
O(PEAK)
V
I(ANA)
I
SINK(EA)
RATINGS
30
Self Limiting
1
5
-0.3 ~ +6.3
10
1.0
0.5
8
+150
-65 ~ +150
UNIT
V
V
A
μ
J
V
mA
W
W
mW/
°
C
°
C
°
C
Supply Voltage(Low Impedance Source)
Supply Voltage(I
CC
<30mA)
Output Current ( Peak )
Output Energy (capacity Load)
Analog Inputs(pin 2,3)
Error Amplifier Output Sink Current
DIP-8
SOP-8
Power Dissipation( Ta
25
°
C)
P
D
Derated at Ta>25
°
C
Junction Temperature
Storage Temperature
Note Absolute maximum ratings are those values beyond which the device which the device could be permanently
damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.
P
D
T
J
T
STG
ELECT RICAL CHARACT ERIS T ICS
(0
°
C
T
70
°
C, V
CC
=15V, R
T
=10k
, C
T
=3.3nF, unless otherwise specified)
PARAMETER
SYMBOL
Reference Section
Output Voltage
V
REF
Line Regulation
V
REF
Load Regulation
V
REF
Temperature Stability
Total Output Variation
Output Noise Voltage
Vosc
Long Term Stability
Output Short Circuit
I
SC
Oscillator Section
Initial Accuracy
Voltage Stability
f/
Vcc 12
Temperature Stability
Amplitude
Vosc
Error Amplifier Section
Input Voltage
V
I(EA)
Input Bias Current
I
I(BIAS)
AVOL
Unity Gain Bandwidth
PSRR
Output Sink Current
I
O(SINK)
Output Source Current
I
O(SOURCE)
Vpin 2=2.3V,Vpin 1=5V
V
OUT
High
V
OH
V
OUT
Low
V
OL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
°
C,I
OUT
=1mA
12
V
IN
25V
1
I
OUT
=20mA
(Note 1)
Line, Load, Temp(Note 1)
10Hz
f
10kHz,T
J
=25
°
C (Note 1)
Ta=25
°
C,1000Hrs(Note 1)
4.9
4.82
-30
5
6
6
0.2
50
5
-100
5.1
20
25
0.4
5.18
25
-180
V
mV
mV
mV/
°
C
V
μ
V
mV
mA
f
T
J
=25
°
C
47
52
0.2
5
1.7
57
1
kHz
%
%
V
V
CC
25V
Tmax(Note 1)
Tmin
Vpin 4 peak to peak
T
a
Vpin 1=2.5V
2
V
OUT
T
J
=25
°
C (Note 1)
I2
V
CC
Vpin 2=2.7V,Vpin 1=1.1V
2.42
60
0.7
60
2
-0.5
5
2.50
-0.3
90
1
70
6
-0.8
6
0.7
2.58
-2
1.1
V
μ
A
dB
MHz
dB
mA
mA
V
V
4V
25V
Vpin 2=2.3V, R
L
=15k
to GND
Vpin 2=2.7V,Vpin 1=1.1V
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| UC3842AD1 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 0.5mA Current Mode RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| UC3842AD1013TR | 制造商:STMicroelectronics 功能描述: 制造商:STMicroelectronics 功能描述:1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
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