MCP1603-0.8I/MC Microchip Technology, MCP1603-0.8I/MC Datasheet - Page 8

• Manufacturer Part Number: MCP1603-0.8I/MC
• Description: 2 MHZ 500MA BUCK REGULATOR
• Manufacturer: Microchip Technology

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