MCP1602 Microchip Technology Inc., MCP1602 Datasheet - Page 7

• Manufacturer Part Number: MCP1602
• Description: 2.0 Mhz, 500 Ma Synchronous Buck Regulator With Power-good
• Manufacturer: Microchip Technology Inc.

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.
100
60
55
50
45
40
35
30
100
95
90
85
80
75
70
65
95
90
85
80
75
70
= 1.2V).
= 1.8V).
-40 -25 -10
3.0
TYPICAL PERFORMANCE CURVES
3.0
V
I
I
IN
OUT
OUT
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.
I
V
I
OUT
OUT
= 5.5V
IN
= 100 mA
= 300 mA
= 4.2V
= 100 mA
= 300 mA
3.2
3.2
Ambient Temperature (
5
3.4
3.4
I
Efficiency vs. Input Voltage
Efficiency vs. Input Voltage
20 35 50 65 80 95 110 125
Input Voltage (V)
Q
Input Voltage (V)
vs. Ambient Temperature.
3.6
3.6
IN
3.8
3.8
= SHDN = 3.6V, C
o
C)
I
I
OUT
OUT
V
V
V
V
OUT
OUT
OUT
= 500 mA
4.0
4.0
IN
= 500 mA
= 3.6V
= 1.8V
= 1.8V
= 1.2V
4.2
4.2
OUT
= C
IN
FIGURE 2-4:
FIGURE 2-5:
(V
FIGURE 2-6:
(V
= 4.7 µF, L = 4.7 µH, V
OUT
OUT
55
50
45
40
35
30
100
100
90
80
70
60
50
40
30
20
90
80
70
60
50
40
30
20
= 1.2V).
= 1.8V).
2.7
0.1
0.1
T
A
V
V
= +25°C
IN
3.05
IN
= 3.0V
V
= 3.0V
V
IN
IN
= 4.2V
= 4.2V
V
V
3.4
IN
IN
1
1
= 3.6V
= 3.6V
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
MCP1602
4.45
DS22061A-page 7
100
100
4.8
T
T
A
LOAD
A
V
V
= +90°C
OUT
OUT
= -40°C
5.15
= 1.2V
= 1.8V
= 100 mA,
1000
1000
5.5