參數(shù)資料
型號: LM2575
廠商: ON SEMICONDUCTOR
英文描述: 1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator(1.0A,可調(diào)輸出電壓,降壓型開關(guān)穩(wěn)壓器)
中文描述: 1.0甲,可調(diào)輸出電壓,降壓型開關(guān)穩(wěn)壓器(1.0安培,可調(diào)輸出電壓,降壓型開關(guān)穩(wěn)壓器)
文件頁數(shù): 6/28頁
文件大小: 363K
代理商: LM2575
LM2575
http://onsemi.com
6
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
INDUCTOR
CURRENT
OUTPUT
RIPPLE
VOLTAGE
Vo
IL
Is
μ
100
50
50
10 V
50
0
100
s/DIV
IF
T
J
, JUNCTION TEMPERATURE (
°
C)
Figure 11. Feedback Pin Current
T
J
, JUNCTION TEMPERATURE (
°
C)
Figure 9. Standby Quiescent Current
5.0 s/DIV
N
T
J
, JUNCTION TEMPERATURE (
°
C)
Figure 10. Oscillator Frequency
Is
μ
Figure 8. Standby Quiescent Current
V
in
, INPUT VOLTAGE (V)
Figure 12. Switching Waveforms
Figure 13. Load Transient Response
V
in
= 12 V
V
ON/OFF
= 5.0 V
T
J
= 25
°
C
100
1.0 A
1.0
40
0
2.0
0.5
20
1.0 A
0
120
0
0
100
0.5 A
2.0
100
40
80
4.0
60
40
20 mV
/DIV
8.0
20
0
10
0
0
0
40
80
120
60
20
6.0
20
25
25
25
5.0
0
0
0
10
25
25
25
15
50
50
50
20
75
75
75
25
100
100
100
30
125
125
125
40
35
V
in
= 12 V
Normalized at 25
°
C
Adjustable
Version Only
C
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