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MCP1640B Datasheet(PDF) 6 Page - Microchip Technology

Part # MCP1640B
Description  0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1640B Datasheet(HTML) 6 Page - Microchip Technology

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MCP1640/B/C/D
DS22234A-page 6
 2010 Microchip Technology Inc.
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 2-7:
3.3V VOUT vs. Ambient
Temperature.
FIGURE 2-8:
3.3V VOUT vs. Ambient
Temperature.
FIGURE 2-9:
3.3V VOUT vs. VIN.
FIGURE 2-10:
Minimum Start-up and
Shutdown VIN into Resistive Load vs. IOUT.
FIGURE 2-11:
FOSC vs. Ambient
Temperature.
FIGURE 2-12:
PWM Pulse Skipping Mode
Threshold vs. IOUT.
3.285
3.29
3.295
3.3
3.305
3.31
3.315
3.32
3.325
3.33
-40
-25
-10
5
20
35
50
65
80
Ambient Temperature (°C)
IOUT = 15 mA
VIN = 0.8V
VIN = 1.8V
VIN = 1.2V
3.26
3.28
3.30
3.32
3.34
3.36
3.38
-40
-25
-10
5
20
35
50
65
80
Ambient Temperature (°C)
IOUT = 15 mA
VIN = 1.5V
IOUT = 50 mA
IOUT = 5 mA
3.20
3.24
3.28
3.32
3.36
3.40
0.8
1.2
1.6
2
2.4
2.8
VIN (V)
TA = - 40°C
IOUT = 5 mA
TA = 25°C
TA = 85°C
0.25
0.40
0.55
0.70
0.85
1.00
0
2040
6080
100
IOUT (mA)
Startup
Shutdown
VOUT = 3.3V
480
485
490
495
500
505
510
515
520
525
-40
-25
-10
5
20
35
50
65
80
Ambient Temperature (°C)
VOUT = 3.3V
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0123
45
6789
10
IOUT (mA)
VOUT = 3.3V
VOUT = 5.0V
VOUT = 2.0V


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