MCP1256/7/8/9EV Microchip Technology, MCP1256/7/8/9EV Datasheet - Page 9
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MCP1256/7/8/9EV
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
1.1
FIGURE 1-1:
© 2006 Microchip Technology Inc.
INTRODUCTION
INPUT
1.6V to 3.6V
INPUT
1.6V to 3.6V
The MCP1256/7/8/9 Charge Pump Evaluation Board is used to evaluate Microchip’s
MCP1256/7/8/9 Regulated 3.3V, Low-Ripple Charge Pumps with low-operating current
SLEEP mode or BYPASS mode.
This chapter covers the following topics:
• What is the MCP1256/7/8/9 Charge Pump Evaluation Board?
• What the MCP1256/7/8/9 Charge Pump Evaluation Board Includes
Typical MCP1256/7/8/9 Applications.
C
10 μF
C
10 μF
IN
IN
ON / OFF
ON / OFF
Chapter 1. Product Overview
C
1 μF
C
1 μF
1
Typical Application with Power-Good Indication
Typical Application with Low-Battery Indication
1
EVALUATION BOARD USER’S GUIDE
10
10
7
4
8
2
7
4
8
2
MCP1256/7/8/9 CHARGE PUMP
V
SHDN
C
C
SLEEP
V
SHDN
C
C
BYPASS
IN
IN
1
1
1
1
+
-
+
-
MCP1256
MCP1259
GND
GND
PGOOD
9
9
V
V
C
OUT
LBO
OUT
C
C
C
2
2
2
2
+
-
+
-
5
1
6
3
5
1
6
3
R
C
1 μF
R
C
1 μF
1
2
1
2
C
10 μF
C
10 μF
OUT
OUT
Power-Good
Indication
Low-Battery
Indication
OUTPUT
3.3V
OUTPUT
3.3V
DS51603A-page 5