NCP1421EVB ON Semiconductor, NCP1421EVB Datasheet - Page 8

• Manufacturer Part Number: NCP1421EVB
• Description: EVAL BOARD FOR NCP1421
• Manufacturer: ON Semiconductor

Specifications of NCP1421EVB

• Design Resources: NCP1421 Demo Board BOM NCP1421EVB Gerber Files NCP1421 Demo Board Schematic
• Main Purpose: DC/DC, Step Up
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V or 5V
• Current - Output: 600mA
• Voltage - Input: 3V
• Regulator Topology: Boost
• Frequency - Switching: 1.2MHz
• Board Type: Fully Populated
• Utilized Ic / Part: NCP1421
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: NCP1421
• Other names: NCP1421EVBOS

Figure 22. Line Transient Response for V
(V
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at Lx pin, 1.0 V/Division
Figure 24. Load Transient Response For V
(V
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Load Current, I
IN
OUT
(V
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V
= 2.5 V, V
Figure 20. Discontinuous Conduction Mode
IN
= 3.3 V, I
= 1.5 V to 2.5 V; L = 5.6 mH, C
OUT
LOAD
= 3.3 V, I
Switching Waveform
= 50 mA to 500 mA; L = 5.6 mH, C
LOAD
LOAD
= 50 mA; L = 5.6 mH, C
, 500 mA/Division
IN,
1.0 V/Division
OUT
= 22mF, I
TYPICAL OPERATING CHARACTERISTICS
LOAD
OUT
OUT
OUT
= 100 mA)
IN
= 22 mF)
= 22 mF)
= 2.5 V
= 3.3 V
http://onsemi.com
NCP1421
8
Figure 23. Line Transient Response For V
(V
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at LX pin, 1.0 V/Division
Figure 25. Load Transient Response For V
(V
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I
IN
OUT
(V
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V
= 2.5 V, V
IN
= 5.0 V, I
Figure 21. Continuous Conduction Mode
= 1.5 V to 2.5 V; L = 5.6 mH, C
OUT
LOAD
= 3.3 V, I
Switching Waveform
= 50 mA to 500 mA; L = 5.6 mH, C
LOAD
LOAD
= 500 mA; L = 5.6 mH, C
, 500 mA/Division
IN,
1.0 V/Division
OUT
= 22mF, I
LOAD
OUT
OUT
= 100 mA)
OUT
IN
= 22 mF)
= 3.0 V
= 22mF)
= 5.0 V