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MCP1640B Fiches technique(PDF) 5 Page - Microchip Technology

No de pièce MCP1640B
Description  0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
PDF  32 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1640B Fiches technique(HTML) 5 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22234A-page 5
MCP1640/B/C/D
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, VIN = EN = 1.2V, COUT =CIN =10 µF, L =4.7 µH, VOUT =3.3V, ILOAD =15 mA, TA =+25°C.
FIGURE 2-1:
VOUT IQ vs. Ambient
Temperature in PFM Mode.
FIGURE 2-2:
VOUT IQ vs. Ambient
Temperature in PWM Mode.
FIGURE 2-3:
Maximum IOUT vs. VIN.
FIGURE 2-4:
2.0V VOUT PFM / PWM
Mode Efficiency vs. IOUT.
FIGURE 2-5:
3.3V VOUT PFM / PWM
Mode Efficiency vs. IOUT.
FIGURE 2-6:
5.0V VOUT PFM / PWM
Mode Efficiency vs. IOUT.
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.
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
-40
-25
-10
5
20
35
50
65
80
Ambient Temperature (°C)
VOUT = 2.0V
V
OUT = 5.0V
V
OUT = 3.3V
VIN = 1.2V
150
175
200
225
250
275
300
-40
-25
-10
5
20
35
50
65
80
Ambient Temperature (°C)
VOUT = 3.3V
VOUT = 5.0V
VIN = 1.2V
0
100
200
300
400
500
600
00.511.522.533.544.5
5
VIN (V)
VOUT = 3.3V
VOUT = 2.0V
VOUT = 5.0V
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
IOUT (mA)
V
OUT = 2.0V
VIN = 0.8V
V
IN = 1.2V
VIN = 1.6V
PWM / PFM
PWM ONLY
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
IOUT (mA)
VOUT = 3.3V
VIN = 0.8V
VIN = 1.2V
VIN = 2.5V
PWM / PFM
PWM ONLY
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
IOUT (mA)
PWM / PFM
PWM ONLY
VOUT = 5.0V
VIN = 1.2V
VIN = 1.8V
VIN = 2.5V



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