參數(shù)資料
型號: NCV2951
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 100 mA, Low Power Low Dropout Voltage Regulator(100mA,低功耗低壓差穩(wěn)壓器)
中文描述: 100毫安,低功耗,低壓差穩(wěn)壓器(100mA的,低功耗低壓差穩(wěn)壓器)
文件頁數(shù): 8/24頁
文件大小: 244K
代理商: NCV2951
LP2950, LP2951, NCV2951
http://onsemi.com
8
1
0
100
100
4.0
-40
1.8
1.0
80
Vo
V
in
, INPUT VOLTAGE (V)
V
f, FREQUENCY (Hz)
S
t, TEMPERATURE (
°
C)
R
f, FREQUENCY (Hz)
T
A
= 25
°
C
C
L
= 1.0
F
V
in
= 6.0 V
V
out
= 5.0 V
C
L
= 1.0 F
μ
C
L
= 100 F
I
L
= 0.1 mA
I
L
= 100 mA
T
A
= 25
°
C
V
O
= 5.0 V
LP2951C
Output “Off”
Output “On”
T
A
= 25
°
C
LP2951CN
60
40
20
0
3.0
2.0
1.0
0
80
60
40
20
0
1.4
1.0
0.8
1.2
1.6
10
100
1.0 k
10 k
100 k
1.0 k
10 k
100 k
-20
40
80
120
160
5.0
15
25
35
40
10
20
30
60
100
140
20
0
T
A
= 75
°
C
4.0
2.0
0
-2.0
-4.0
-6.0
O
0.01
0.1
10
100
1000
10000
0
10
20
30
40
50
60
70
80
90
100
Output Current (mA)
E
Unstable Region
Stable Region
Unstable Region for 0.1 F capacitor only
100 F
0.1 F
V
out
= 5 V
Lower unstable region is for 0.1 F only.
1 F and 100 F show no instability with low ESR values.
0
200
L
t, TIME (ms)
Figure 12. Load Transient Response
4
2.5
0.5
1.5
2
3
3.5
1
150
100
0
-50
50
V
out
I
Load
O
0
-200
200
400
-400
C
L
= 1.0 F
V
out
= 5.0 V
I
L
= 400 A to 75 mA
T
A
= 25
°
C
Figure 13. Ripple Rejection
Figure 14. Output Noise
Figure 15. Shutdown Threshold Voltage
versus Temperature
Figure 16. Maximum Rated
Output Current
Figure 17. Output Stability versus Output Capacitor
Change
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NCV2951ACD3.3R2 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:100 mA, Low Power Low Dropout Voltage Regulator
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NCV2951ACDR2G 功能描述:低壓差穩(wěn)壓器 - LDO 1.25-29V ADJ 100mA w/Error Flag 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