NCP1423EVB ON Semiconductor, NCP1423EVB Datasheet - Page 9

• Manufacturer Part Number: NCP1423EVB
• Description: EVAL BOARD FOR NCP1423
• Manufacturer: ON Semiconductor

Specifications of NCP1423EVB

• Design Resources: NCP1423 Demo Board BOM NCP1423EVB Gerber Files NCP1423EVB Schematic
• Main Purpose: DC/DC, Step Up
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 400mA
• Voltage - Input: 2.5V
• Regulator Topology: Boost
• Frequency - Switching: 600kHz
• Board Type: Fully Populated
• Utilized Ic / Part: NCP1423
• 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: NCP1423
• Other names: NCP1423EVBOS

Figure 27. Line Transient Response for V
Figure 29. Load Transient Response For V
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I
(V
OUT
Upper Trace: Output Voltage, 2.0 V/Division
Lower Trace: Output Current, 50 mA/Division
Middle Trace: Enable Pin Waveform, 1.0 V/Division
(V
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Battery Voltage, V
(V
Figure 31. Startup Waveform (ADEN Disabled)
IN
IN
= 3.3 V, I
= 1.5 V, V
= 1.2 V to 2.0 V; L = 5.6 mH, C
LOAD
OUT
= 10 mA to 200 mA; L = 5.6 mH, C
= 3.3 V, L = 5.6 mH, C
LOAD
, 100 mA/Division
IN,
1.0 V/Division
OUT
= 22 mF, I
IN
TYPICAL OPERATING CHARACTERISTICS
= 10 mF, C
LOAD
OUT
OUT
OUT
= 50 mA)
IN
= 22 mF)
= 22 mF)
= 1.5 V
= 3.3 V
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NCP1423
9
Figure 28. Line Transient Response For V
Figure 30. Load Transient Response For V
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I
(V
Upper Trace: Output Voltage, 2.0 V/Division
Lower Trace: Output Current, 50 mA/Division
Middle Trace: Enable Pin Waveform, 1.0 V/Division
(V
OUT
IN
Figure 32. Startup Waveform (ADEN Enabled)
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Battery Voltage, V
(V
= 1.5 V, V
IN
= 1.8 V, I
= 1.0 V to 1.6 V; L = 5.6 mH, C
OUT
LOAD
= 3.3 V, L = 5.6 mH, C
= 10 mA to 100 mA; L = 5.6 mH, C
LOAD
, 100 mA/Division
IN,
1.0 V/Division
OUT
IN
= 22mF, I
= 10 mF, C
LOAD
OUT
OUT
OUT
= 50 mA)
IN
= 22 mF)
= 22 mF)
= 1.8 V
= 1.0 V