參數(shù)資料
型號(hào): LM2576T-015G
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
封裝: PLASTIC, TO-220, 5 PIN
文件頁數(shù): 25/28頁
文件大?。?/td> 275K
代理商: LM2576T-015G
LM2576
http://onsemi.com
6
V
sat
,SA
TURA
TION
VOL
TAGE
(V)
2.0
2.5
3.0
4.0
I b
,FEEDBACK
PIN
CURRENT
(nA)
,ST
ANDBY
QUIESCENT
CURRENT
A)
I stby
,INPUT
VOL
TAGE
(V)
TJ, JUNCTION TEMPERATURE (°C)
SWITCH CURRENT (A)
NORMALIZED
FREQUENCY
(%)
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Standby Quiescent Current
Vin, INPUT VOLTAGE (V)
Figure 9. Switch Saturation Voltage
Figure 10. Oscillator Frequency
Figure 11. Minimum Operating Voltage
Figure 12. Feedback Pin Current
Vin = 12 V
Normalized at
25
°C
TJ = 25°C
Adjustable Version Only
200
180
140
120
100
80
60
40
20
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
8.0
6.0
4.0
2.0
0
2.0
4.0
6.0
8.0
10
5.0
4.5
3.5
1.5
1.0
0.5
0
40
30
25
20
15
10
5
0
0.5
1.0
1.5
2.0
3.0
125
100
75
50
25
0
25
50
125
100
75
50
25
0
25
50
TJ, JUNCTION TEMPERATURE (°C)
Adjustable Version Only
100
80
60
40
20
0
20
40
60
80
100
125
100
75
50
25
0
25
50
160
35
2.5
40
°C
25
°C
125
°C
Vout ' 1.23 V
ILoad = 500 mA
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 15)
V
in
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