ncp1550 ON Semiconductor, ncp1550 Datasheet - Page 10

• Manufacturer Part Number: ncp1550
• Description: 600 Khz Pwm/pfm Stepdown Dcdc Controller
• Manufacturer: ON Semiconductor

(V
(V
IN
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Input Voltage, V
IN
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Input Voltage, 2.0 V/Division
= 3.0 to 5.0 V, L = 6.8 mH, C
= 4.0 to 5.0 V, L = 3.3 mH, C
Figure 23. Line Transient Response for
Figure 25. Line Transient Response for
V
V
OUT
OUT
= 1.8 V
= 3.3 V
IN
OUT
OUT
, 2.0 V/Division
= 33 mF, I
= 33 mF, I
LOAD
LOAD
http://onsemi.com
= 1.0 A)
= 1.0 A)
NCP1550
10
(V
IN
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Input Voltage, 2.0 V/Division
Upper Trace: Output Voltage Ripple, 200 mV/Division
Lower Trace: Load Current, I
= 3.0 to 5.0 V, L = 5.6 mH, C
Figure 26. Load Transient Response for
Figure 24. Line Transient Response for
(V
IN
= 5.0 V, I
LOAD
V
V
OUT
C
OUT
= 100 mA to 1.0 A, L = 3.3 mH,
OUT
= 2.5 V
= 3.3 V
= 33 mF)
LOAD
OUT
, 500 mA/Division
= 33 mF, I
LOAD
= 1.0 A)