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NCP1530DM27R2 Datasheet(PDF) 9 Page - ON Semiconductor

Part # NCP1530DM27R2
Description  600 mA PWM/PFM Step-Down Converter with External Synchronization Pin
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1530DM27R2 Datasheet(HTML) 9 Page - ON Semiconductor

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(VIN = 3.5 V, VOUT = 2.5 V, ILOAD = 10 mA)
Upper Trace: Output Voltage Ripple, 50 mVac/Div.
Lower Trace: LX Pin Switching Waveform, 2.0 V/Div.
Figure 27. PFM Switching Waveform and
Output Ripple for VOUT = 2.5 V
(VIN = 3.5 V, VOUT = 2.5 V, ILOAD = 80 mA)
Upper Trace: Output Voltage Ripple, 50 mVac/Div.
Lower Trace: LX Pin Switching Waveform, 2.0 V/Div.
Figure 28. DCM PWM Switching Waveform
and Output Ripple for VOUT = 2.5 V
(VIN = 3.5 V, VOUT = 2.5 V, ILOAD = 600 mA)
Upper Trace: Output Voltage Ripple, 50 mVac/Div.
Lower Trace: LX Pin Switching Waveform, 2.0 V/Div.
Figure 29. CCM PWM Switching Waveform
and Output Ripple for VOUT = 2.5 V
(VIN = 4.3 V, VOUT = 3.3 V, ILOAD = 10 mA)
Upper Trace: Output Voltage Ripple, 50 mVac/Div.
Lower Trace: LX Pin Switching Waveform, 2.0 V/Div.
Figure 30. PFM Switching Waveform and
Output Ripple for VOUT = 3.3 V
(VIN = 4.3 V, VOUT = 3.3 V, ILOAD = 50 mA)
Upper Trace: Output Voltage Ripple, 50 mVac/Div.
Lower Trace: LX Pin Switching Waveform, 2.0 V/Div.
Figure 31. DCM PWM Switching Waveform
and Output Ripple for VOUT = 3.3 V
(VIN = 4.3 V, VOUT = 3.3 V, ILOAD = 600 mA)
Upper Trace: Output Voltage Ripple, 50 mVac/Div.
Lower Trace: LX Pin Switching Waveform, 2.0 V/Div.
Figure 32. CCM PWM Switching Waveform
and Output Ripple for VOUT = 3.3 V


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