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TC1313-1G0EUN Datasheet(PDF) 10 Page - Microchip Technology

Part No. TC1313-1G0EUN
Description  500 mA Synchronous Buck Regulator, 300 mA LDO
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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TC1313-1G0EUN Datasheet(HTML) 10 Page - Microchip Technology

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TC1313
DS21974B-page 10
© 2009 Microchip Technology Inc.
Note:
Unless otherwise indicated, VIN1 = VIN2 = SHDN1,2 = 3.6V, COUT1 =CIN = 4.7 µF, COUT2 =1µF, 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:
VOUT1 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
2.73.1
3.53.9
4.34.7
5.15.5
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
0.40
0.45
0.50
0.55
0.60
0.65
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
VIN1 = 3.6V
N-Channel
P-Channel
0.40
0.45
0.50
0.55
0.60
0.65
0.70
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ambient Temperature (°C)
VIN1 = 3.6V
N-Channel
P-Channel
SHDN1 = VIN2
SHDN2 = AGND
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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