MCP1256/7/8/9EV Microchip Technology, MCP1256/7/8/9EV Datasheet - Page 12

• Manufacturer Part Number: MCP1256/7/8/9EV
• Description: BOARD EVAL FOR MCP1256/7/8/9
• Manufacturer: Microchip Technology

Specifications of MCP1256/7/8/9EV

• Main Purpose: DC/DC, Step Up
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 100mA
• Voltage - Input: 1.6 ~ 3.6V
• Regulator Topology: Buck-Boost
• Frequency - Switching: 650kHz
• Board Type: Fully Populated
• Utilized Ic / Part: MCP1256, MCP1257, MCP1258, MCP1259
• Processor To Be Evaluated: MCP1256/7/8/9
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable

MCP1256/7/8/9 Charge Pump Evaluation Board User’s Guide
2.3
DS51603A-page 8
GETTING STARTED
The MCP1256/7/8/9 Evaluation Board is fully assembled and tested for generating a
regulated 3.3V output voltage from a 1.8V to 3.6V input at load currents up to 100 mA.
The board requires the use of an external input voltage source and external load.
2.3.1
2.3.1.1
1. Apply the input voltage source to the appropriate circuit for evaluation. The input
2. Connect the positive side of the input source (+) to V
FIGURE 2-1:
2.3.1.2
1. To apply a load to a MCP1256/7/8/9 Evaluation Board, the positive side of the
2. The negative or return side of the load (-) should be connected to GND of the
Output
Load
Output
Load
voltage source should be limited to the 0V to +3.6V range. For normal operation,
the input voltage should be between +1.8V and +3.6V. The input voltage must
not exceed an absolute maximum of +3.8V.
evaluated. Connect the negative or return side of the input source (-) to GND of
the circuit being evaluated. Refer to Figure 2-1.
load (+) should be connected to V
circuit being evaluated. Care should be taken when using electronic loads or
ground referenced loads.
_
+
_
+
Power Input and Output Connections
POWERING THE MCP1256/7/8/9 EVALUATION BOARD
APPLYING THE LOAD TO THE MCP1256/7/8/9 EVALUATION BOARD
Setup Configuration Diagram.
OUT
of the circuit being evaluated.
IN
© 2006 Microchip Technology Inc.
of the circuit being
_
+
_
+
Input
Power Supply
1.8V to 3.6V
Input
Power Supply
1.8V to 3.6V