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参数资料
| 型号： | TC1303B-AC0EMF |
| 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： | 12/30页 |
| 文件大小： | 441K |
| 代理商： | TC1303B-AC0EMF |
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TC1303B
DS21949A-page 12
2005 Microchip Technology Inc.
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 2-25:
Ambient Temperature (V
OUT2
= 2.5V).
V
OUT2
Dropout Voltage vs.
FIGURE 2-26:
Ambient Temperature (V
OUT2
= 3.3V).
V
OUT2
Dropout Voltage vs.
FIGURE 2-27:
Ambient Temperature.
V
OUT2
Line Regulation vs.
FIGURE 2-28:
Ambient Temperature.
V
OUT2
Load Regulation vs.
FIGURE 2-29:
vs. Ambient Temperature.
PG Active Delay Time-out
FIGURE 2-30:
Ambient Temperature.
PG Threshold Voltage vs.
0.05
0.10
0.15
0.20
0.25
0.30
-
-
-
5
2
3
5
6
8
9
1
1
Ambient Temperature (°C)
V
O
I
OUT2
= 200 mA
I
OUT2
= 300 mA
SHDN1 = A
GND
SHDN2 = V
IN2
0.0
0.1
0.2
0.3
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
V
O
I
OUT2
= 200 mA
SHDN1 = A
GND
SHDN2 = V
IN2
I
OUT2
= 300 mA
-0.035
-0.030
-0.025
-0.020
-0.015
-0.010
-0.005
0.000
0.005
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
V
O
V
OUT2
= 3.3V
I
OUT2
= 100 μA
SHDN1 = A
GND
SHDN2 = V
IN2
V
OUT2
= 2.5V
V
OUT2
= 1.5V
-0.4
-0.3
-0.2
-0.1
0.0
0.1
-
-
-
5
2
3
5
6
8
9
1
1
Ambient Temperature (°C)
V
O
V
OUT2
= 3.3V
V
IN2
= 3.6V
SHDN1 = A
GND
SHDN2 = V
IN2
V
OUT2
= 2.6V
V
OUT2
= 1.5V
200
225
250
275
300
325
350
-40 -25 -10
5
20
35
50
65 80
95 110 125
Ambient temperature (°C)
P
SHDN1 = V
IN2
SHDN2 = V
IN2
V
IN
= 3.6V
90
91
92
93
94
95
96
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
P
O
)
SHDN1 = V
IN2
SHDN2 = V
IN2
V
IN
= 3.6V
PG Threshold Hi
PG Threshold Low
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1303B-AC0EMFTR | 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 |
| TC1303B-AC0EUN | 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 |
| TC1303B-AC0EUNTR | 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 |
| TC1303B-AC1EMF | 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 |
| TC1303B-AC1EMFTR | 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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