NCP1423EVB ON Semiconductor, NCP1423EVB Datasheet - Page 2

• 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

Test Procedure:
3.3V Output Version
1. Setup the Equipments
2. Connect the equipment and the demo board. (Figure 1)
3. Setup the Demo Board Jumpers. (Refer to table on board)
4. Measuring Result:
5. LBO Test
Set the power supply voltage to 2.5 V.
Set the electronic load loading current to 50 mA.
DMM
DMM
Connect a power supply with 4-wire sensing across V
Connect an electronic load across V
Remove the jumper link from:
JP1 to Enable the device
JP2 to Enable Auto Discharge
a. For I
V
I
b. For I
V
I
Set V
to High as V
IN
IN
OUT
OUT
= 70 mA to 80 mA
= 490 mA to 540 mA
= 3.15 V to 3.45 V
= 3.15 V to 3.45 V
1
2
BAT
(A) as ammeter, measures the input current (I
(V) as voltmeter, measures the output voltage (V
OUT
OUT
Oscilloscope (optional)
low, between 1.1 V and 1.3 V; measure the voltage at LBO pin. LBO voltage status will change from Low
= 50 mA, measure
= 350 mA, measure
DC Power Supply
BAT
is changed from low to high.
OUT
Table 1: Required Equipment
and GND.
One NCP1423 Evaluation Board
Ammeter (DMM
IN
BAT
).
OUT
and GND.
).
1
)
Voltmeter (DMM
Electronic Load
2
)