參數(shù)資料
型號: NCV4276A
廠商: ON SEMICONDUCTOR
英文描述: 400 mA Low-Drop Voltage Regulator(400mA低壓降穩(wěn)壓器)
中文描述: 400毫安低壓降穩(wěn)壓器(400mA的低壓降穩(wěn)壓器)
文件頁數(shù): 5/23頁
文件大小: 199K
代理商: NCV4276A
NCV4276, NCV4276A
http://onsemi.com
5
5.5
45 V
Input
C
I1
1.0 F
C
I2
100 nF
I
I
I
INH
1
2
5
4
3
GND
C
Q
22 F
I
Q
Q
NC
Output
Figure 3. Applications Circuit; Fixed Voltage Version
NCV4276
R
L
I
INH
Input
C
I1
1.0 F
C
I2
100 nF
I
I
I
INH
1
2
5
4
3
GND
C
Q
22 F
I
Q
Q
VA
Output
Figure 4. Applications Circuit; Adjustable Voltage Version
NCV4276
NCV4276A
R
L
I
INH
R
1
R
2
V
Q
= [(R1 + R2) * V
ref
] / R2
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 5. Output Stability with Output Capacitor
ESR, 5.0 V and Adjustable Regulator
0.01
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
E
Unstable ESR Region for
C
Q
= 1 F
22 F
Stable ESR Region
0
150
250
350
50
450
Maximum ESR for
C
Q
= 1 F
22 F
100
200
300
400
Figure 6. Output Stability with Output Capacitor
ESR, 1.8 V, 2.5 V, 3.3 V Regulators
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
0
50
100
150
OUTPUT CURRENT (mA)
200
250
300
350
400
450
E
C
Q
= 10 F for these
Output Voltages
Stable Region
Unstable Region
3.3 V
2.5 V
1.8 V
相關(guān)PDF資料
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