參數(shù)資料
型號(hào): NCV2574
廠商: ON SEMICONDUCTOR
英文描述: 0.5 A, Adjustable Output Voltage, Step-Down Switching Regulator(0.5A,可調(diào)輸出電壓,降壓型開關(guān)穩(wěn)壓器)
中文描述: 0.5甲,可調(diào)輸出電壓,降壓型開關(guān)穩(wěn)壓器(0.5A的,可調(diào)輸出電壓,降壓型開關(guān)穩(wěn)壓器)
文件頁數(shù): 5/26頁
文件大小: 295K
代理商: NCV2574
LM2574, NCV2574
http://onsemi.com
5
Is
μ
IQ
Vo
T
J
, JUNCTION TEMPERATURE (
°
C)
IO
T
J
, JUNCTION TEMPERATURE (
°
C)
V
in
, INPUT VOLTAGE (V)
V
in
, INPUT VOLTAGE (V)
I
T
J
, JUNCTION TEMPERATURE (
°
C)
Vo
Figure 2. Normalized Output Voltage
T
J
, JUNCTION TEMPERATURE (
°
C)
Figure 3. Line Regulation
V
in
= 20 V
I
Load
= 100 mA
Normalized at T
J
= 25
°
C
Figure 4. Dropout Voltage
Figure 5. Current Limit
Figure 6. Quiescent Current
Figure 7. Standby Quiescent Current
I
Load
= 100 mA
T
J
= 25
°
C
3.3 V, 5.0 V and ADJ
12 V and 15 V
V
in
= 25 V
I
Load
= 100 mA
I
Load
= 500 A
V
in
= 12 V
V
in
= 40 V
L = 300 H
I
Load
= 500 mA
I
Load
= 100 mA
V
out
= 5.0 V
Measured at
Ground Pin
T
J
= 25
°
C
V
ON/OFF
= 5.0 V
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 16)
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
2.0
1.5
1.0
0.5
0
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
20
18
16
14
12
10
8.0
6.0
4.0
200
180
160
140
120
100
80
60
40
20
0
125
100
75
60
25
0
25
50
40
35
30
25
20
15
10
5.0
0
125
100
75
60
25
0
25
50
125
100
75
60
25
0
25
50
40
35
30
25
20
15
10
5.0
0
125
100
75
60
25
0
25
50
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