MCP1603EV Microchip Technology, MCP1603EV Datasheet - Page 7
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MCP1603EV
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
2.0
Note: Unless otherwise indicated, V
T
FIGURE 2-1:
FIGURE 2-2:
(V
FIGURE 2-3:
(V
© 2007 Microchip Technology Inc.
A
Note:
OUT
OUT
= +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
50
49
48
47
46
45
44
43
42
41
40
100
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
= 1.2V).
= 1.8V).
-40 -25 -10
TYPICAL PERFORMANCE CURVES
2.7
2.7
V
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
IN
V
I
I
OUT
OUT
IN
= 4.2V
3.05
= 3.0V
3.05
= 100 mA
= 100 mA
I
OUT
I
OUT
= 300 mA
= 300 mA
Ambient Temperature (
3.4
3.4
5
V
IN
= 3.6V
I
Efficiency vs. Input Voltage
Efficiency vs. Input Voltage
20 35 50 65 80 95 110 125
Input Voltage (V)
Input Voltage (V)
Q
3.75
3.75
vs. Ambient Temperature.
4.1
4.1
4.45
4.45
IN
= SHDN = 3.6V, C
o
C)
4.8
4.8
I
I
OUT
OUT
V
V
V
OUT
OUT
= 500 mA
= 500 mA
OUT
5.15
5.15
= 1.2V
= 1.8V
= 1.8V
5.5
5.5
OUT
= C
IN
FIGURE 2-4:
FIGURE 2-5:
(V
FIGURE 2-6:
(V
= 4.7 µF, L = 4.7 µH, V
OUT
OUT
52
50
48
46
44
42
40
100
100
90
80
70
60
50
40
30
20
= 1.2V).
90
80
70
60
50
40
30
20
= 1.8V).
2.7
0.1
0.1
T
A
V
V
V
= +25
V
IN
IN
3.05
T
IN
IN
V
A
= 3.6V
= 3.6V
IN
= 4.2V
= 2.7V
= - 40
o
= 4.2V
C
V
3.4
IN
o
C
= 2.7V
1
1
Output Current (mA)
Output Current (mA)
Input Voltage (V)
I
Efficiency vs. Output Load
Efficiency vs. Output Load
3.75
OUT
Q
vs. Input Voltage.
(ADJ) = 1.8V, I
4.1
10
10
MCP1603
4.45
T
A
DS22042A-page 7
100
100
4.8
= +90
LOAD
V
V
OUT
OUT
o
C
5.15
= 1.8V
= 1.2V
= 100 mA,
1000
1000
5.5