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TC1303B-BS0EUNTR Datasheet(数据表) 10 Page - Microchip Technology

部件型号  TC1303B-BS0EUNTR
说明  500 mA Synchronous Buck Regulator, 300 mA LDO with Power-Good Output
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
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 10 page
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TC1303B
DS21949A-page 10
2005 Microchip Technology Inc.
Note: Unless otherwise indicated, VIN1 = VIN2 = SHDN1,2 = 3.6V, COUT1 =CIN =4.7 µF, COUT2 =1 µF, L =4.7 µH,
VOUT1 (ADJ) = 1.8V, TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C. TA = +25°C. Adjustable or fixed
output voltage options can be used to generate the Typical Performance Characteristics.
FIGURE 2-13:
VOUT1 Switching Frequency
vs. Input Voltage.
FIGURE 2-14:
VOUT1 Switching Frequency
vs. Ambient Temperature.
FIGURE 2-15:
VOUT1 Adjustable Feedback
Voltage vs. Ambient Temperature.
FIGURE 2-16:
VOUT1 Switch Resistance
vs. Input Voltage.
FIGURE 2-17:
Buck Regulator Switch
Resistance vs. Ambient Temperature.
FIGURE 2-18:
VOUT1 Dropout Voltage vs.
Ambient Temperature.
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
SHDN1 = VIN2
SHDN2 = AGND
1.90
1.92
1.94
1.96
1.98
2.00
Ambient Temperature (°C)
SHDN1 = VIN2
SHDN2 = AGND
0.790
0.795
0.800
0.805
0.810
0.815
0.820
Ambient Temperature (°C)
SHDN1 = VIN2
SHDN2 = AGND
VIN1 = 3.6V
0.3
0.35
0.4
0.45
0.5
0.55
0.6
3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Input Voltage (V)
SHDN1 = VIN2
SHDN2 = AGND
TA = 25 °C
N-Channel
P-Channel
0.3
0.35
0.4
0.45
0.5
0.55
0.6
0.65
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
SHDN1 = VIN2
SHDN2 = AGND
VIN1 = 3.6V
N-Channel
P-Channel
0.1
0.15
0.2
0.25
0.3
0.35
0.4
Ambient Temperature (°C)
SHDN1 = VIN2
SHDN2 = AGND
VOUT1 = 3.3V
IOUT1 = 500 mA




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