MCP1603-250I/MC Microchip Technology, MCP1603-250I/MC Datasheet - Page 8
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MCP1603-250I/MC
Manufacturer Part Number
MCP1603-250I/MC
Description
IC SYNC BUCK REG 0.5A 2.5V 8DFN
Manufacturer
Microchip Technology
Type
Step-Down (Buck)r
Datasheet
1.MCP1603T-180IOS.pdf
(26 pages)
Specifications of MCP1603-250I/MC
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
2.5V
Current - Output
500mA
Frequency - Switching
2MHz
Voltage - Input
2.7 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-DFN
For Use With
MCP1603RD-TNY - REFERENCE DESIGN FOR MCP1603MCP1603EV - BOARD EVAL BUCK CONV MCP1603
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP1603-250I/MC
Manufacturer:
MICROCHIP
Quantity:
12 000
MCP1603
Typical Performance Curves (Continued)
Note: Unless otherwise indicated, V
T
FIGURE 2-7:
(V
FIGURE 2-8:
(V
FIGURE 2-9:
Temperature (V
DS22042A-page 8
A
OUT
OUT
= +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
100
100.0
0.6
0.5
0.4
0.3
0.2
0.1
95
90
85
80
75
97.5
95.0
92.5
90.0
87.5
85.0
= 2.4V).
= 3.3V).
-40 -25 -10 5
3
3.5 3.75
I
OUT
I
I
OUT
= 100 mA
OUT
= 100 mA
= 300 mA
3.5
OUT
Ambient Temperature (
4
= 1.8V).
Efficiency vs. Input Voltage
Efficiency vs. Input Voltage
Line Regulation vs. Ambient
Input Voltage (V)
20 35 50 65 80 95 110 125
Input Voltage (V)
I
4.25 4.5 4.75
OUT
4
= 300 mA
I
OUT
4.5
= 300 mA
IN
= SHDN = 3.6V, C
o
C)
I
I
5
OUT
OUT
I
OUT
V
V
V
5
OUT
OUT
= 100 mA
= 500 mA
OUT
= 500 mA
5.25 5.5
= 3.3V
= 1.8V
= 2.4V
5.5
OUT
= C
IN
FIGURE 2-10:
(V
FIGURE 2-11:
(V
FIGURE 2-12:
Current (V
= 4.7 µF, L = 4.7 µH, V
OUT
OUT
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
1.74
100
100
90
80
70
60
50
40
30
90
80
70
60
50
40
30
= 2.4V).
= 3.3V).
100
0.1
0.1
V
V
OUT
T
V
IN
V
IN
A
IN
IN
= 3.6V
= +125
= 3.6V
150
= 4.2V
= 4.2V
V
= 1.8V).
IN
= 2.7V
o
200
C
1
1
T
Output Current (mA)
Output Current (mA)
Output Current (mA)
A
Efficiency vs. Output Load
Efficiency vs. Output Load
Output Voltage vs. Load
OUT
= - 40
© 2007 Microchip Technology Inc.
250
(ADJ) = 1.8V, I
o
C
10
10
300
350
100
100
400
LOAD
V
V
T
OUT
OUT
A
T
A
= +90
450
= 2.4V
= 3.3V
= +25
= 100 mA,
o
1000
1000
C
o
C
500