参数资料
型号: TC1303B-FL3EMF
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: 11/30页
文件大小: 441K
代理商: TC1303B-FL3EMF
2005 Microchip Technology Inc.
DS21949A-page 11
TC1303B
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:
Load Switching Waveforms vs. Time.
V
OUT1
and V
OUT2
Heavy
FIGURE 2-20:
Load Switching Waveforms vs. Time.
V
OUT1
and V
OUT2
Light
FIGURE 2-21:
Input Voltage (V
OUT2
= 1.5V).
V
OUT2
Output Voltage vs.
FIGURE 2-22:
Input Voltage (V
OUT2
= 1.8V).
V
OUT2
Output Voltage vs.
FIGURE 2-23:
Input Voltage (V
OUT2
= 2.5V).
V
OUT2
Output Voltage vs.
FIGURE 2-24:
Input Voltage (V
OUT2
= 3.3V).
V
OUT2
Output Voltage vs.
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
3.292
3.293
3.294
3.295
3.296
3.297
3.298
3.60
3.92
4.23
4.55
4.87
5.18
5.50
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
相关PDF资料
PDF描述
TC1303B-FL3EMFTR 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
TC1303B-FL3EUN 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
TC1303B-FL3EUNTR 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
TC1303B-FM0EMF 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
TC1303B-FM0EMFTR 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output
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