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TC1313-AM1EMF View Datasheet(PDF) - Microchip Technology

Part NameDescriptionManufacturer
TC1313-AM1EMF 500 mA Synchronous Buck Regulator,+ 300 mA LDO Microchip
Microchip Technology Microchip
TC1313-AM1EMF Datasheet PDF : 28 Pages
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TC1313
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.
0.30
0.25
0.20
0.15
0.10
0.05
IOUT2 = 300 mA
IOUT2 = 200 mA
SHDN1 = AGND
SHDN2 = VIN2
Ambient Temperature (°C)
FIGURE 2-25:
VOUT2 Dropout Voltage vs.
Ambient Temperature (VOUT2 = 2.5V).
0.1
VIN2 = 3.6V
0.0
-0.1
-0.2
-0.3
-0.4
VOUT2 = 3.3V
SHDN1 = AGND
SHDN2 = VIN2
VOUT2 = 1.5V
VOUT2 = 2.6V
Ambient Temperature (°C)
FIGURE 2-28:
VOUT2 Load Regulation vs.
Ambient Temperature.
0.3
SHDN1 = AGND
SHDN2 = VIN2
0.2
IOUT2 = 300 mA
0.1
IOUT2 = 200 mA
0.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
FIGURE 2-26:
VOUT2 Dropout Voltage vs.
Ambient Temperature (VOUT2 = 3.3V).
0.005
0.000
-0.005
-0.010
-0.015
-0.020
VOUT2 = 3.3V
SHDN1 = AGND
SHDN2 = VIN2
VOUT2 = 2.5V
IOUT2 = 100 µA
-0.025
-0.030
VOUT2 = 1.5V
-0.035
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ambient Temperature (°C)
FIGURE 2-27:
VOUT2 Line Regulation vs.
Ambient Temperature.
0
SHDN1 = GND
-10 VOUT2 = 1.5V
-20 IOUT2 = 30 mA
CIN = 0 µF
-30
-40
-50
-60
-70
-80
0.01
0.1
1
COUT2 = 1.0 µF
COUT2 = 4.7 µF
10
100 1000
Frequency (kHz)
FIGURE 2-29:
VOUT2 Power Supply Ripple
Rejection vs. Frequency.
10
SHDN1 = AGND
SHDN2 = VIN2
1
0.1
VIN = 3.6V
VOUT2 = 2.5V
IOUT2 = 50 mA
0.01
0.01 0.1
1
10 100
Frequency (kHz)
1000 10000
FIGURE 2-30:
VOUT2 Noise vs. Frequency.
© 2005 Microchip Technology Inc.
DS21974A-page 11
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