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參數(shù)資料
| 型號： | TC1303B-FD3EMFTR |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 500 mA Synchronous Buck Regulator, + 300 mA LDO with Power-Good Output |
| 中文描述： | 500毫安同步降壓穩(wěn)壓器，300 mA的LDO具有電源就緒輸出 |
| 文件頁數(shù)： | 8/30頁 |
| 文件大?。?/td> | 441K |
| 代理商： | TC1303B-FD3EMFTR |
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TC1303B
DS21949A-page 8
2005 Microchip Technology Inc.
2.0
TYPICAL PERFORMANCE CURVES
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 2-1:
Current vs. Ambient Temperature.
I
Q
Switcher and LDO
FIGURE 2-2:
Ambient Temperature.
I
Q
Switcher Current vs.
FIGURE 2-3:
Temperature.
I
Q
LDO Current vs. Ambient
FIGURE 2-4:
Input Voltage (V
OUT1
= 1.2V).
V
OUT1
Output Efficiency vs.
FIGURE 2-5:
I
OUT1
(V
OUT1
= 1.2V).
V
OUT1
Output Efficiency vs.
FIGURE 2-6:
Input Voltage (V
OUT1
= 1.8V).
V
OUT1
Output Efficiency vs.
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
60
64
68
72
76
80
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
I
OUT1
= I
OUT2
= 0 mA
SHDN1 = V
IN2
SHDN2 = V
IN2
30
35
40
45
50
55
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
I
OUT1
= 0 mA
SHDN1 = V
IN2
SHDN2 = A
GND
30
35
40
45
50
55
-40 -25 -10
5
20
35
50
65
80
95 110 125
Ambient Temperature (°C)
I
Q
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5.5V
I
OUT2
= 0 mA
SHDN1 = A
GND
SHDN2 = V
IN2
50
55
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
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
= 3.0V
V
IN1
= 4.2V
V
IN1
= 3.6V
SHDN1 = V
IN2
SHDN2 = A
GND
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1303B-IA0EMF | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1303B-IA0EMFTR | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1303B-IA0EUN | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1303B-IA0EUNTR | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1303B-PA0EMF | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo w/PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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