參數(shù)資料
型號: LM2575T-3.3
廠商: MOTOROLA INC
元件分類: 穩(wěn)壓器
英文描述: 3.2 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PSFM5
封裝: 314D-03
文件頁數(shù): 25/28頁
文件大?。?/td> 380K
代理商: LM2575T-3.3
LM2575
6
MOTOROLA ANALOG IC DEVICE DATA
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
INDUCTOR
OUTPUT
RIPPLE
VOLTAGE
V
out
,OUTPUT
VOL
TAGE
I stby
,ST
ANDBY
QUIESCENT
CURRENT
(
A)
100
–50
10 V
–50
0
100
s/DIV
I FB
,FEEDBACK
PIN
CURRENT
(nA)
TJ, JUNCTION TEMPERATURE (°C)
5.0
s/DIV
NORMALIZED
FREQUENCY
(%)
TJ, JUNCTION TEMPERATURE (°C)
I stby
,ST
ANDBY
QUIESCENT
CURRENT
(
A)
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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