User manual

MCP1256/7/8/9 Charge Pump Evaluation Board User’s Guide
DS51603A-page 6 © 2006 Microchip Technology Inc.
1.2 WHAT IS THE MCP1256/7/8/9 CHARGE PUMP EVALUATION BOARD?
The MCP1256/7/8/9 Charge Pump Evaluation Board is an evaluation and demonstration
tool for Microchip Technology’s MCP1256/7/8/9 Regulated 3.3V, Low-Ripple Charge Pumps with
low-operating current SLEEP mode or BYPASS mode. The design provides for dynamic
versatility.
The MCP1256/7/8/9 Charge Pump Evaluation Board is setup to evaluate simple, stand-alone,
DC-to-DC conversion.
Two evaluation circuits are provided, demonstrating the versatility
of the MCP1256/7/8/9 device family.
One evaluation circuit utilizes the MCP1256,
demonstrating the SLEEP mode feature along with a power good indication. The other
evaluation circuit utilizes the MCP1259, demonstrating the unique BYPASS mode feature, along
with a low battery indication.
When connected, the MCP1256/7/8/9 devices can be evaluated in a variety of applications.
1.3 WHAT THE MCP1256/7/8/9 CHARGE PUMP EVALUATION BOARD
INCLUDES
This MCP1256/7/8/9 Charge Pump Evaluation Board includes:
• MCP1256/7/8/9 Charge Pump Evaluation Board, 102-00099
• MCP1256/7/8/9 Charge Pump Evaluation Board User’s Guide, DS51603
• MCP1256/7/8/9 Data Sheet, “Regulated 3.3V, Low-Ripple Charge Pump with
Low-Operating Current SLEEP Mode or BYPASS Mode”, DS21989