lm2575-5 ON Semiconductor, lm2575-5 Datasheet - Page 5

• Manufacturer Part Number: lm2575-5
• Description: 1.0 A, Adjustable Output Voltage, Step-down Switching Regulator
• Manufacturer: ON Semiconductor

-0.2
-0.4
-0.6
0.6
0.4
0.2
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-50
0
-50
0
I
I
V
I
Normalized at
T
Load
Load
Load
0.1
in
J
-40°C
25°C
125°C
= 25°C
= 20 V
-25
-25
Figure 2. Normalized Output Voltage
Figure 4. Switch Saturation Voltage
= 1.0 A
= 200 mA
= 200 mA
0.2
Figure 6. Dropout Voltage
T
T
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
0
0.3
0
TYPICAL PERFORMANCE CHARACTERISTICS
SWITCH CURRENT (A)
0.4
25
25
0.5
50
50
0.6
0.7
75
75
DV
R
0.8
ind
out
100
100
= 0.2 W
= 5%
0.9
http://onsemi.com
125
125
1.0
5
-0.2
1.0
0.8
0.6
0.4
0.2
3.0
2.5
2.0
1.5
1.0
0.5
8.0
6.0
4.0
20
18
16
14
12
10
0
0
-50
0
0
I
T
Load
J
= 25°C
5.0
= 200 mA
5.0
-25
(Circuit of Figure 14)
3.3 V, 5.0 V and Adj
Figure 7. Quiescent Current
10
Figure 3. Line Regulation
T
10
J
Figure 5. Current Limit
, JUNCTION TEMPERATURE (°C)
0
V
V
in
in
15
, INPUT VOLTAGE (V)
15
, INPUT VOLTAGE (V)
25
I
I
Load
Load
20
20
= 200 mA
= 1.0 A
50
12 V and 15 V
25
25
75
30
30
V
V
Measured at
Ground Pin
T
in
out
J
100
= 25°C
= 25 V
35
= 5.0 V
35
125
40
40