參數(shù)資料
型號: LM2575-3.3
廠商: Motorola, Inc.
英文描述: EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR
中文描述: 易SWITCHERE⑩1.0降壓穩(wěn)壓器
文件頁數(shù): 6/28頁
文件大?。?/td> 400K
代理商: LM2575-3.3
LM2575
6
MOTOROLA ANALOG IC DEVICE DATA
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
INDUCTOR
CURRENT
OUTPUT
RIPPLE
VOLTAGE
Vo
Is
μ
100
–50
–50
10 V
–50
0
100
μ
s/DIV
IF
TJ, JUNCTION TEMPERATURE (
°
C)
TJ, JUNCTION TEMPERATURE (
°
C)
5.0
μ
s/DIV
N
TJ, JUNCTION TEMPERATURE (
°
C)
Is
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
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
IL
–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
Vin = 12 V
Normalized at 25
°
C
Adjustable
Version Only
C
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