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2005 Microchip Technology Inc.
DS21949B-page 11
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 2-7:
Input Voltage (V
OUT1
= 1.8V).
V
OUT1
Output Efficiency vs.
FIGURE 2-8:
I
OUT1
(V
OUT1
= 1.8V).
V
OUT1
Output Efficiency vs.
FIGURE 2-9:
Input Voltage (V
OUT1
= 3.3V).
V
OUT1
Output Efficiency vs.
FIGURE 2-10:
I
OUT1
(V
OUT1
= 3.3V).
V
OUT1
Output Efficiency vs.
FIGURE 2-11:
(V
OUT1
= 1.2V).
V
OUT1
vs. I
OUT1
FIGURE 2-12:
(V
OUT1
= 1.8V).
V
OUT1
vs. I
OUT1
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
75
80
85
90
95
100
0.005
0.104
0.203
0.302
0.401
0.5
I
OUT1
(A)
V
O
SHDN1 = V
IN2
SHDN2 = A
GND
V
IN
= 3.0V
V
IN
= 4.2V
V
IN
= 3.6V
80
84
88
92
96
100
3.60
3.92
4.23
4.55
4.87
5.18
5.50
Input Voltage (V)
V
O
I
OUT1
= 100 mA
I
OUT1
= 250 mA
I
OUT1
= 500 mA
SHDN1 = V
IN2
SHDN2 = A
GND
60
65
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
= 5.5V
SHDN1 = V
IN2
SHDN2 = A
GND
V
IN1
= 4.2V
V
IN1
= 3.6V
1.19
1.194
1.198
1.202
1.206
1.21
0.005
0.104
0.203
0.302
0.401
0.5
I
OUT1
(A)
V
O
SHDN1 = V
IN2
SHDN2 = A
GND
V
IN1
= 3.6V
1.79
1.795
1.8
1.805
1.81
1.815
1.82
0.005
0.104
0.203
0.302
0.401
0.5
I
OUT1
(A)
V
O
SHDN1 = V
IN2
SHDN2 = A
GND
V
IN1
= 3.6V
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| TC1303A-AO1EUNTR | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EMF | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EMFTR | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EUN | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EUNTR | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1303A-AO1EUNTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EMF | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EMFTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EUN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| TC1303A-AO2EUNTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
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