參數(shù)資料
型號(hào): 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(yè)數(shù): 5/28頁(yè)
文件大?。?/td> 400K
代理商: LM2575-3.3
LM2575
5
MOTOROLA ANALOG IC DEVICE DATA
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 14)
Vo
0
20
–50
3.0
0
–50
2.0
0
1.2
–50
IQ
Vin, INPUT VOLTAGE (V)
IO
TJ, JUNCTION TEMPERATURE (
°
C)
Vin, INPUT VOLTAGE (V)
I
TJ, JUNCTION TEMPERATURE (
°
C)
Vs
SWITCH CURRENT (A)
Vo
Figure 2. Normalized Output Voltage
TJ, JUNCTION TEMPERATURE (
°
C)
Figure 3. Line Regulation
Vin = 20 V
ILoad = 200 mA
Normalized at
TJ = 25
°
C
Figure 4. Switch Saturation Voltage
Figure 5. Current Limit
Figure 6. Dropout Voltage
Figure 7. Quiescent Current
ILoad = 200 mA
TJ = 25
°
C
3.3 V, 5.0 V and Adj
12 V and 15 V
25
°
C
Vin = 25 V
Vout = 5.0 V
Measured at
Ground Pin
TJ = 25
°
C
ILoad = 200 mA
ILoad = 1.0 A
Vout = 5%
Rind = 0.2
125
°
C
–40
°
C
5.0
–25
10
0
20
15
25
25
75
50
35
30
40
100
125
0.8
0.4
0.4
0
0
–0.2
–0.4
0.6
0.2
1.0
0.6
0.2
–0.2
–0.6
2.5
1.5
0.5
0
2.0
1.0
14
10
6.0
4.0
18
12
8.0
16
1.1
0.9
0.7
0.5
1.0
0.8
0.6
1.2
0.8
0.4
1.0
0.6
1.8
1.4
1.6
0.4
–25
0.1
0
0.2
25
0.3
50
0.4
75
0.5
100
0.6
125
0.7
5.0
–25
10
0
15
25
20
50
25
75
30
100
35
125
0.8
0.9
1.0
40
ILoad = 200 mA
ILoad = 1.0 A
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