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TC1313 数据表(PDF) 8 Page - Microchip Technology

部件名 TC1313
功能描述  500 mA Synchronous Buck Regulator, 300 mA LDO
PDF  32 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

TC1313 数据表(HTML) 8 Page - Microchip Technology

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TC1313
DS21974B-page 8
© 2009 Microchip Technology Inc.
2.0
TYPICAL PERFORMANCE CURVES
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 2-1:
IQ Switcher and LDO
Current vs. Ambient Temperature.
FIGURE 2-2:
IQ Switcher Current vs.
Ambient Temperature.
FIGURE 2-3:
IQ LDO Current vs. Ambient
Temperature.
FIGURE 2-4:
VOUT1 Output Efficiency vs.
Input Voltage (VOUT1 = 1.2V).
FIGURE 2-5:
VOUT1 Output Efficiency vs.
IOUT1 (VOUT1 = 1.2V).
FIGURE 2-6:
VOUT1 Output Efficiency vs.
Input Voltage (VOUT1 = 1.8V).
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
52
54
56
58
60
62
64
66
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
VIN = 5.5V
VIN = 4.2V
VIN = 3.6V
SHDN1 = VIN2
SHDN2 = VIN2
30
32
34
36
38
40
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
VIN = 5.5V
VIN = 4.2V
VIN = 3.6V
SHDN1 = VIN2
SHDN2 = AGND
36
38
40
42
44
46
48
50
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
VIN = 5.5V
VIN = 4.2V
VIN = 3.6V
SHDN1 = AGND
SHDN2 = VIN2
50
55
60
65
70
75
80
85
90
95
100
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
IOUT1 = 100 mA
IOUT1 = 250 mA
IOUT1 = 500 mA
SHDN1 = VIN2
SHDN2 = AGND
70
75
80
85
90
95
100
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
VIN1 = 3.0V
VIN1 = 4.2V
VIN1 = 3.6V
SHDN1 = VIN2
SHDN2 = AGND
60
65
70
75
80
85
90
95
100
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
IOUT1 = 100 mA
IOUT1 = 250 mA
IOUT1 = 500 mA
SHDN1 = VIN2
SHDN2 = AGND



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