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參數(shù)資料
| 型號(hào)： | CS8120 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | 5V, 300mA Linear Regulator with and ENABLE RESET |
| 中文描述： | 5V的，300mA的線性穩(wěn)壓器和啟用與復(fù)位 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 198K |
| 代理商： | CS8120 |
Precision Voltage Reference
The regulated output voltage depends on the precision
band gap voltage reference in the IC. By adding an error
amplifier into the feedback loop , the output voltage is
maintained within ±4% over temperature and supply
variation.
Output Stage
The composite PNP-
NPN output structure
(Figure 1) provides
300mA (typ) of output
current while maintain-
ing a low drop out volt-
age (1.00V, typ) and
drawing little quiescent
current (2.5mA).
The NPN pass device prevents deep saturation of the out-
put stage which in turn improves the ICs efficiency by
preventing excess current from being used and dissipated
by the IC.
Output Stage Protection
The output stage is protected against overvoltage, short
circuit and thermal runaway conditions (Figure 2).
4
C
Circuit Description
Typical Performance Characteristics: continued
Voltage Reference and Output Circuitry
V
OUT
V
IN
I
OUT
V
OUT
V
IN
Load
Dump
Short
Circuit
Thermal
Shutdown
> 30V
Figure 1: Composite Output Stage of the CS8120
5.5
10.0
0.0
Supply Voltage (V)
S
V
O
V
OUT
I
Q
5.0
4.0
3.0
2.0
1.0
0.0
22.0
20.0
16.0
12.0
8.0
4.0
0.0
2.0
4.0
6.0
8.0
Output Voltage and Supply Current vs. Input Voltage
2000
1800
1600
1400
1200
1000
800
600
400
200
0
1
5
10
15
20
25
30
35
40
V
IN
= 5V
Reset Output Current (mA)
R
RESET Output Voltage vs. Output Current
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
50
-40
°
C
25
°
C
125
°
C
Output Current (mA)
Q
V
IN
= 14V
100
150
200
250
300
350
Quiescent Current vs. Output Current Over Temperature
Figure 2: Typical Circuit Waveforms for Output Stage Protection.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS-8120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| CS8120/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5V， 300mA Linear Regulator with RESETbar and ENABLEbar |
| CS-8120D14 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| CS-8120DP5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| CS-8120N8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
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