ncp1510a ON Semiconductor, ncp1510a Datasheet - Page 8

• Manufacturer Part Number: ncp1510a
• Description: High Efficiency Dc-dc Converters
• Manufacturer: ON Semiconductor

2.0
1.5
1.0
0.5
0
Figure 18. Light Load PWM Switching Waveform
Figure 20. Pulsed Mode Switching Waveform
0
V
V
T
PWM Mode
Figure 16. Output Voltage vs. Shutdown Pin
A
(V
in
out
= 25°C
(V
= 3.6 V
in
0.2
= 1.57 V
in
= 3.6 V, V
= 3.6 V, V
0.4
out
out
1 ms/div
1 ms/div
0.6
= 1.8 V, I
Voltage
V
= 1.8 V, I
SHD
(V)
0.8
out
V
1 V/div
V
AC Coupled
10 mV/div
out
V
AC Coupled
10 mV/div
V
1 V/div
LX
out
out
= 30 mA)
LX
= 30 mA)
1.0
1.2
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1.4
8
Figure 19. Heavy Load PWM Switching Waveform
2.0
1.5
1.0
0.5
0
0
V
V
T
PWM Mode
(V
A
out
in
(V
0
0
= 25°C
in
= 3.6 V
in
Figure 17. Transition Level of CB Pins
= 1.57 V
0.2
= 3.6 V, V
= 3.6 V, V
Figure 21. Soft−Start
0.4
out
out
500 ms/div
1 ms/div
= 1.8 V, I
= 1.8 V, I
0.6
V
CB
(V)
0.8
out
V
1 V/div
V
AC Coupled
10 mV/div
out
V
1 V/div
V
0.5 V/div
LX
out
shdn
out
= 300 mA)
= 150 mA)
1.0
1.8 V
2 V
1.2
1.4