TC1313-AM1EMFTR View Datasheet(PDF) - Microchip Technology
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TC1313-AM1EMFTR 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.
100
95
VIN = 3.0V
SHDN1 = VIN2
SHDN2 = AGND
90
VIN = 4.2V
85
80
VIN = 3.6V
75
0.005 0.104 0.203 0.302 0.401 0.5
IOUT1 (A)
FIGURE 2-7:
VOUT1 Output Efficiency vs.
IOUT1 (VOUT1 = 1.8V).
1.21
1.206
1.202
VIN1 = 3.6V
SHDN1 = VIN2
SHDN2 = AGND
1.198
1.194
1.19
0.005 0.104 0.203 0.302 0.401 0.5
IOUT1 (A)
FIGURE 2-10:
(VOUT1 = 1.2V).
VOUT1 vs. IOUT1
100
96
IOUT1 = 100 mA
SHDN1 = VIN2
SHDN2 = AGND
92
IOUT1 = 250 mA
88
IOUT1 = 500 mA
84
80
3.60 3.92 4.23 4.55 4.87 5.18 5.50
Input Voltage (V)
FIGURE 2-8:
VOUT1 Output Efficiency vs.
Input Voltage (VOUT1 = 3.3V).
1.82
1.815
VIN1 = 3.6V
SHDN1 = VIN2
SHDN2 = AGND
1.81
1.805
1.8
1.795
1.79
0.005 0.104 0.203 0.302 0.401 0.5
IOUT1 (A)
FIGURE 2-11:
(VOUT1 = 1.8V).
VOUT1 vs. IOUT1
100 VIN1 = 3.6V
95
90
85
VIN1 = 4.2V
80
75
VIN1 = 5.5V
70
65
60
0.005 0.104 0.203
SHDN1 = VIN2
SHDN2 = AGND
0.302 0.401 0.5
IOUT1 (A)
FIGURE 2-9:
VOUT1 Output Efficiency vs.
IOUT1 (VOUT1 = 3.3V).
3.4
3.36
3.32
VIN1 = 4.2V
SHDN1 = VIN2
SHDN2 = AGND
3.28
3.24
3.2
0.005 0.104 0.203 0.302 0.401 0.5
IOUT1 (A)
FIGURE 2-12:
(VOUT1 = 3.3V).
VOUT1 vs. IOUT1
DS21974A-page 8
© 2005 Microchip Technology Inc.
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