MCP1640(2015) 查看數據表（PDF） - Microchip Technology
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产品描述 (功能)
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MCP1640
(Rev.:2015)
(Rev.:2015)
0.65V Start-Up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
Microchip Technology
MCP1640 Datasheet PDF : 32 Pages
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MCP1640/B/C/D
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.
3.33
3.325
IOUT = 15 mA
VIN = 1.2V
3.32
3.315
VIN = 1.8V
3.31
3.305
3.3
3.295
VIN = 0.8V
3.29
3.285
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
FIGURE 2-7:
Temperature.
3.3V VOUT vs. Ambient
1.00
VOUT = 3.3V
0.85
0.70
Startup
0.55
0.40
Shutdown
0.25
0
20
40
60
80
100
IOUT (mA)
FIGURE 2-10:
Minimum Start-Up and
Shutdown VIN into Resistive Load vs. IOUT.
3.38
3.36
VIN = 1.5V
3.34
3.32
IOUT = 5 mA
3.30
3.28
IOUT = 15 mA
IOUT = 50 mA
3.26
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
FIGURE 2-8:
Temperature.
3.3V VOUT vs. Ambient
525
520
VOUT = 3.3V
515
510
505
500
495
490
485
480
-40 -25 -10 5 20 35 50 65 80
Ambient Temperature (°C)
FIGURE 2-11:
Temperature.
FOSC vs. Ambient
3.40
3.36
3.32
TA = +85°C
TA = +25°C
IOUT = 5 mA
3.28
3.24
TA = -40°C
3.20
0.8
1.2
FIGURE 2-9:
1.6
2
VIN (V)
2.4
2.8
3.3V VOUT vs. VIN.
4.5
4
VOUT = 5.0V
3.5
3
2.5
VOUT = 3.3V
2
VOUT = 2.0V
1.5
1
0.5
0
0 1 2 3 4 5 6 7 8 9 10
IOUT (mA)
FIGURE 2-12:
PWM Pulse-Skipping Mode
Threshold vs. IOUT.
DS20002234D-page 6
2010-2015 Microchip Technology Inc.
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