参数资料
型号: TC1303B-DE2EMF
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-DE2EMF
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
相关PDF资料
PDF描述
TC1303B-DE2EMFTR 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
TC1303B-DE2EUN 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
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TC1303B-DE3EMF 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
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