参数资料
型号: LM2575T-012G
厂商: ON SEMICONDUCTOR
元件分类: 稳压器
英文描述: 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, SFM5
封装: LEAD FREE, CASE 314D-04, TO-220, 5 PIN
文件页数: 25/28页
文件大小: 492K
代理商: LM2575T-012G
LM2575, NCV2575
http://onsemi.com
6
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
INDUCTOR
OUTPUT
RIPPLE
VOLTAGE
V
out
,OUTPUT
VOL
TAGE
I stby
,ST
ANDBY
QUIESCENT
CURRENT
(
A)
μ
100
-50
10 V
-50
0
100
ms/DIV
I FB
,FEEDBACK
PIN
CURRENT
(nA)
TJ, JUNCTION TEMPERATURE (°C)
5.0
ms/DIV
NORMALIZED
FREQUENCY
(%)
TJ, JUNCTION TEMPERATURE (°C)
I stby
,ST
ANDBY
QUIESCENT
CURRENT
(
A)
μ
Figure 8. Standby Quiescent Current
Vin, INPUT VOLTAGE (V)
Figure 9. Standby Quiescent Current
Figure 10. Oscillator Frequency
Figure 11. Feedback Pin Current
Figure 12. Switching Waveforms
Figure 13. Load Transient Response
Vin = 12 V
VON/OFF = 5.0 V
TJ = 25°C
-100
1.0 A
1.0
40
0
2.0
0.5
20
1.0 A
0
120
0
100
0.5 A
-2.0
100
-40
80
-4.0
60
40
20 mV
-8.0
20
0
-10
0
40
80
120
60
20
-6.0
/DIV
I Load
,LOAD
CURRENT
(A)
-20
-25
5.0
0
10
25
15
50
20
75
25
100
30
125
40
35
Vin = 12 V
Normalized at 25
°C
Adjustable
Version Only
CHANGE
(mV)
CURRENT
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