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| 型号： | TC1303A-AN2EUNTR |
| 厂商： | Microchip Technology Inc. |
| 英文描述： | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| 中文描述： | 500毫安同步降压稳压器，300 mA的LDO具有电源就绪输出 |
| 文件页数： | 10/36页 |
| 文件大小： | 463K |
| 代理商： | TC1303A-AN2EUNTR |
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TC1303A/TC1303B/TC1303C/TC1304
DS21949B-page 10
2005 Microchip Technology Inc.
2.0
TYPICAL PERFORMANCE CURVES
Note:
Unless otherwise indicated, V
IN1
= V
IN2
= SHDN1,2 = 3.6V, C
OUT1
= C
IN
= 4.7 μF, C
OUT2
= 1 μF, L
= 4.7 μH,
V
OUT1
(ADJ) = 1.8V, T
A
= +25°C.
Boldface
specifications apply over the T
A
range of -40°C to +85°C. T
A
= +25°C. Adjustable- or fixed-
output voltage options can be used to generate the Typical Performance Characteristics.
FIGURE 2-1:
Current vs. Ambient Temperature (TC1303A,B).
I
Q
Switcher and LDO
FIGURE 2-2:
Current vs. Ambient Temperature
(TC1303C, TC1304).
I
Q
Switcher and LDO
FIGURE 2-3:
Ambient Temperature.
I
Q
Switcher Current vs.
FIGURE 2-4:
Temperature.
I
Q
LDO Current vs. Ambient
FIGURE 2-5:
Input Voltage (V
OUT1
= 1.2V).
V
OUT1
Output Efficiency vs.
FIGURE 2-6:
I
OUT1
(V
OUT1
= 1.2V).
V
OUT1
Output Efficiency vs.
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.
60
64
68
72
76
80
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
I
OUT1
= I
OUT2
= 0 mA
SHDN1 = V
IN2
SHDN2 = V
IN2
66
68
70
72
74
76
78
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 5.5V
SHDN1 = V
IN2
SHDN2 = V
IN2
V
IN
= 4.2V
V
IN
= 3.6V
30
35
40
45
50
55
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
I
OUT1
= 0 mA
SHDN1 = V
IN2
SHDN2 = A
GND
30
35
40
45
50
55
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
I
OUT2
= 0 mA
SHDN1 = A
GND
SHDN2 = V
IN2
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)
V
O
I
OUT1
= 100 mA
I
OUT1
= 250 mA
I
OUT1
= 500 mA
SHDN1 = V
IN2
SHDN2 = A
GND
70
75
80
85
90
95
100
0.005
0.104
0.203
0.302
0.401
0.5
I
OUT1
(A)
V
O
V
IN1
= 3.0V
V
IN1
= 4.2V
V
IN1
= 3.6V
SHDN1 = V
IN2
SHDN2 = A
GND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1303A-AN3EMF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AN3EMFTR | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AN3EUN | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AN3EUNTR | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO0EMF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
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