ncp1587a ON Semiconductor, ncp1587a Datasheet - Page 5

• Manufacturer Part Number: ncp1587a
• Description: Low Voltage Synchronous Buck Controller
• Manufacturer: ON Semiconductor

5.0
4.7
4.4
4.1
3.8
3.5
14
13
12
10
11
9
8
0
0
Figure 5. Soft Start Sourcing Current vs.
10
10
T
T
Figure 3. I
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
20
20
TYPICAL CHARACTERISTICS
Temperature
CC
30
30
vs. Temperature
808
806
804
802
800
798
796
794
792
40
40
0
Figure 7. Reference Voltage (V
50
50
10
T
J
, JUNCTION TEMPERATURE (°C)
60
60
20
http://onsemi.com
Temperature
70
70
30
5
(T
A
40
= 25°C unless otherwise noted)
203
202
201
200
199
198
375
365
355
345
335
325
0
0
V
50
V
CC
Figure 6. SCP Threshold vs. Temperature
ref
CC
Figure 4. Oscillator Frequency (F
) vs.
10
10
= 12 V
= 5 V
T
T
60
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
20
20
70
Temperature
30
30
40
40
50
50
SW
) vs.
60
60
70
70