参数资料
型号: TC1303A-AN3EMFTR
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: 13/36页
文件大小: 463K
代理商: TC1303A-AN3EMFTR
2005 Microchip Technology Inc.
DS21949B-page 13
TC1303A/TC1303B/TC1303C/TC1304
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 2-19:
Ambient Temperature.
V
OUT1
Dropout Voltage vs.
FIGURE 2-20:
Load Switching Waveforms vs. Time.
V
OUT1
and V
OUT2
Heavy
FIGURE 2-21:
Load Switching Waveforms vs. Time.
V
OUT1
and V
OUT2
Light
FIGURE 2-22:
Input Voltage (V
OUT2
= 1.5V).
V
OUT2
Output Voltage vs.
FIGURE 2-23:
Input Voltage (V
OUT2
= 1.8V).
V
OUT2
Output Voltage vs.
FIGURE 2-24:
Input Voltage (V
OUT2
= 2.5V).
V
OUT2
Output Voltage vs.
0.1
0.15
0.2
0.25
0.3
0.35
0.4
-
-
-
5
2
3
5
6
8
9
1
1
Ambient Temperature (°C)
V
O
SHDN1 = V
IN2
SHDN2 = A
GND
V
OUT1
= 3.3V
I
OUT1
= 500 mA
1.482
1.484
1.486
1.488
1.49
1.492
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
V
O
T
A
= - 40°C
T
A
= + 25°C
T
A
= + 85°C
I
OUT2
= 150 mA
SHDN1 = A
GND
SHDN2 = V
IN2
1.792
1.794
1.796
1.798
1.800
1.802
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
V
O
T
A
= - 40°C
T
A
= + 25°C
T
A
= + 85°C
I
OUT2
= 150 mA
SHDN1 = A
GND
SHDN2 = V
IN2
2.496
2.498
2.500
2.502
2.504
2.506
2.508
3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Input Voltage (V)
V
O
T
A
= - 40°C
T
A
= + 25°C
T
A
= + 85°C
I
OUT2
= 150 mA
SHDN1 = A
GND
SHDN2 = V
IN2
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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
TC1303A-AO0EMFTR 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-AO0EUN 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