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參數(shù)資料
| 型號： | NCV8508 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 V, 250 mA LDO with Watchdog and RESET |
| 中文描述： | 5.0V的，250 mA的LDO，帶有看門狗和RESET |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 89K |
| 代理商： | NCV8508 |
NCV8508
http://onsemi.com
7
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 12. Dropout Voltage vs Output Current
Figure 13. Output Voltage vs Temperature
Figure 14. Output Current vs Input Voltage
0
D
0.0
Output Current (mA)
0.1
0.2
0.3
0.4
0.5
0.6
1.0
25
50
75
100
150
125
+25
°
C
+125
°
C
40
°
C
40
O
4.90
Temperature (
°
C)
4.95
5.00
5.05
5.10
25
125
10
5
20
35
50
65
80
95
110
1.0
I
O
0
V
IN
(V)
40
60
80
100
120
140
160
1.5
20
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
V
IN
= 14 V
I
OUT
= 5.0 mA
R
L
= 33
1000
100
10
1
0
5
10
15
20
25
30
35
40
45
E
Output Current (mA)
Figure 15. Output Capacitor ESR
Unstable Region
Stable Region
C = 1.0 F, 10 F
175
200
250
225
0.7
0.8
0.9
DEFINITION OF TERMS
Dropout Voltage:
The inputoutput voltage differential at
which the circuit ceases to regulate against further reduction
in input voltage. Measured when the output voltage has
dropped 100 mV from the nominal value obtained at 14 V
input, dropout voltage is dependent upon load current and
junction temperature.
Input Voltage:
The DC voltage applied to the input
terminals with respect to ground.
Line Regulation:
The change in output voltage for a
change in the input voltage. The measurement is made under
conditions of low dissipation or by using pulse techniques
such that the average chip temperature is not significantly
affected.
Load Regulation:
The change in output voltage for a
change in load current at constant chip temperature.
Quiescent Current:
The part of the positive input current
that does not contribute to the positive load current. The
regulator ground lead current.
Ripple Rejection:
The ratio of the peaktopeak input
ripple voltage to the peaktopeak output ripple voltage.
Current Limit:
Peak current that can be delivered to the
output.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV85081BDS50G | 功能描述:低壓差穩(wěn)壓器 - LDO 250 MA, 5 V, LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCV85081BDS50R4G | 功能描述:低壓差穩(wěn)壓器 - LDO 250 MA 5 V LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCV85081BDS50R4G/H | 制造商:ON Semiconductor 功能描述: |
| NCV85081BPD50R2G | 功能描述:低壓差穩(wěn)壓器 - LDO 250 MA 5 V LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCV85081BPD50R2G/H | 制造商:ON Semiconductor 功能描述: |
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