MCP1603EV Microchip Technology, MCP1603EV Datasheet - Page 12

• Manufacturer Part Number: MCP1603EV
• Description: BOARD EVAL BUCK CONV MCP1603
• Manufacturer: Microchip Technology
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of MCP1603EV

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 0.8V, 1.2V, 1.8V, 2.5V, or 3.3V
• Current - Output: 500mA
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 2MHz
• Board Type: Fully Populated
• Utilized Ic / Part: MCP1603
• Silicon Manufacturer: Microchip
• Application Sub Type: Buck Converter
• Kit Application Type: Power Management - Voltage Regulator
• Silicon Core Number: MCP1603
• Input Voltage: 2.7 V to 5.5 V
• Output Voltage: 0.8 V to 3.3 V
• Product: Power Management Modules
• Kit Contents: Board
• 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: MCP1603
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP1603 Buck Converter Evaluation Board User’s Guide
DS51652A-page 8
FIGURE 2-1:
2.3.1.2
1. Connect the positive side of the load (+) to TP3 (VOUT).
2. Connect the negative side of the load (-) to TP4 (GND). Refer to Figure 2-1. The
As an alternative, a resistor can be connected between TP3 and TP4. The value of this
resistor must be sized such that the maximum load current does not exceed 500 mA
for the selected output voltage.
2.3.1.3
The output voltage of the MCP1603 Buck Converter Evaluation Board is set by the
position of switch S1 locations. Table 2-1 shows the position of the four S1 switch
locations to achieve the five different standard output voltages.
TABLE 2-1:
Evaluating the Application
The best way to evaluate the MCP1603 Buck Converter Evaluation Board is to dig into
the circuit. Measure voltages and currents with a DVM and probe the board with an
oscilloscope.
Output Voltage
maximum load current should not exceed 500 mA.
0.8V
1.2V
1.8V
2.5V
3.3V
APPLYING LOAD TO MCP1603 BUCK CONVERTER EVALUATION
BOARD
SETTING THE OUTPUT VOLTAGE ON THE MCP1603 BUCK
CONVERTER EVALUATION BOARD
SETTING THE OUTPUT VOLTAGE
Setup Configuration Diagram.
S1 - POS1
Off
Off
Off
Off
On
S1 - POS2
Off
Off
Off
On
Off
S1 - POS3
© 2007 Microchip Technology Inc.
On
Off
Off
Off
Off
S1 - POS4
On
Off
Off
Off
Off