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TC1303B-BI0EUN Datasheet(数据表) 9 Page - Microchip Technology

部件型号  TC1303B-BI0EUN
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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 9 page
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© 2005 Microchip Technology Inc.
DS21949A-page 9
TC1303B
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 2-7:
VOUT1 Output Efficiency vs.
IOUT1 (VOUT1 = 1.8V).
FIGURE 2-8:
VOUT1 Output Efficiency vs.
Input Voltage (VOUT1 = 3.3V).
FIGURE 2-9:
VOUT1 Output Efficiency vs.
IOUT1 (VOUT1 = 3.3V).
FIGURE 2-10:
VOUT1 vs. IOUT1
(VOUT1 = 1.2V).
FIGURE 2-11:
VOUT1 vs. IOUT1
(VOUT1 = 1.8V).
FIGURE 2-12:
VOUT1 vs. IOUT1
(VOUT1 = 3.3V).
75
80
85
90
95
100
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
SHDN1 = VIN2
SHDN2 = AGND
VIN = 3.0V
VIN = 4.2V
VIN = 3.6V
80
84
88
92
96
100
3.60
3.92
4.23
4.55
4.87
5.18
5.50
Input Voltage (V)
IOUT1 = 100 mA
IOUT1 = 250 mA
IOUT1 = 500 mA
SHDN1 = VIN2
SHDN2 = AGND
60
65
70
75
80
85
90
95
100
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
VIN1 = 5.5V
SHDN1 = VIN2
SHDN2 = AGND
VIN1 = 4.2V
VIN1 = 3.6V
1.19
1.194
1.198
1.202
1.206
1.21
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
SHDN1 = VIN2
SHDN2 = AGND
VIN1 = 3.6V
1.79
1.795
1.8
1.805
1.81
1.815
1.82
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
SHDN1 = VIN2
SHDN2 = AGND
VIN1 = 3.6V
3.2
3.24
3.28
3.32
3.36
3.4
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
SHDN1 = VIN2
SHDN2 = AGND
VIN1 = 4.2V




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