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MCP1602 Fiches technique(PDF) 7 Page - Microchip Technology

No de pièce MCP1602
Description  2.0 MHz, 500 mA Synchronous Buck Regulator with Power-Good
PDF  26 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1602 Fiches technique(HTML) 7 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS22061A-page 7
MCP1602
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, V
IN = SHDN =3.6V, COUT =CIN = 4.7 µF, L = 4.7 µH, VOUT(ADJ) = 1.8V, ILOAD = 100 mA,
TA = +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics.
FIGURE 2-1:
IQ vs. Ambient Temperature.
FIGURE 2-2:
Efficiency vs. Input Voltage
(VOUT = 1.2V).
FIGURE 2-3:
Efficiency vs. Input Voltage
(VOUT = 1.8V).
FIGURE 2-4:
IQ vs. Input Voltage.
FIGURE 2-5:
Efficiency vs. Output Load
(VOUT = 1.2V).
FIGURE 2-6:
Efficiency vs. Output Load
(VOUT = 1.8V).
Note:
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.
30
35
40
45
50
55
60
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ambient Temperature (
oC)
VOUT = 1.8V
VIN = 5.5V
VIN = 3.6V
VIN = 4.2V
65
70
75
80
85
90
95
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Input Voltage (V)
VOUT = 1.2V
IOUT = 100 mA
IOUT = 500 mA
IOUT = 300 mA
70
75
80
85
90
95
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Input Voltage (V)
VOUT = 1.8V
IOUT = 100 mA
IOUT = 500 mA
IOUT = 300 mA
30
35
40
45
50
55
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
TA = +90°C
TA = +25°C
TA = -40°C
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current (mA)
VOUT = 1.2V
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Output Current (mA)
VOUT = 1.8V
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V



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