MCP1256/7/8/9EV Microchip Technology, MCP1256/7/8/9EV Datasheet - Page 10
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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
MCP1256/7/8/9
TYPICAL PERFORMANCE CURVES (CONTINUED)
NOTE: Unless otherwise indicated, C
FIGURE 2-25:
Normal 2x Mode.
FIGURE 2-26:
Normal 1.5x Mode.
DS21989A-page 10
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
V
I
OUT
V
I
OUT
OUT
OUT
Time (μs)
Time (μs)
Load Transient Response -
Load Transient Response -
V
V
IN
IN
= 2.4V
= 3.0V
IN
= C
0.20
0.10
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-0.60
0.20
0.10
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-0.60
OUT
= 10 μF, C
1
= C
2
FIGURE 2-27:
FIGURE 2-28:
= 1 μF, I
8
7
6
5
4
3
2
1
0
8
7
6
5
4
3
2
1
0
OUT
V
V
V
OUT
V
OUT
IN
= 10 mA, and T
IN
Time (μs)
Time (μs)
Line Transient Response.
Line Transient Response.
© 2006 Microchip Technology Inc.
A
= +25°C.
I
OUT
I
OUT
= 100 mA
= 10 mA
0.20
0.10
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-0.60
0.20
0.10
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-0.60