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参数资料
| 型号： | TC1303B-CK2EUN |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | PLASTIC, MO-187, MSOP-10 |
| 文件页数： | 3/38页 |
| 文件大小： | 756K |
| 代理商： | TC1303B-CK2EUN |
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2008 Microchip Technology Inc.
DS21949C-page 11
TC1303A/TC1303B/TC1303C/TC1304
2.0
TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, VIN1 = VIN2 = SHDN1,2 = 3.6V, COUT1 =CIN = 4.7 F, COUT2 =1 F, L =4.7 H,
VOUT1 (ADJ) = 1.8V, TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C. TA = +25°C. Adjustable- or fixed-
output voltage options can be used to generate the Typical Performance Characteristics.
FIGURE 2-1:
IQ Switcher and LDO
Current vs. Ambient Temperature (TC1303A,B).
FIGURE 2-2:
IQ Switcher and LDO
Current vs. Ambient Temperature
(TC1303C, TC1304).
FIGURE 2-3:
IQ Switcher Current vs.
Ambient Temperature.
FIGURE 2-4:
IQ LDO Current vs. Ambient
Temperature.
FIGURE 2-5:
VOUT1 Output Efficiency vs.
Input Voltage (VOUT1 = 1.2V).
FIGURE 2-6:
VOUT1 Output Efficiency vs.
IOUT1 (VOUT1 = 1.2V).
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
S
w
itcher
and
LDO
(
A)
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
IOUT1 = IOUT2 = 0 mA
SHDN1 = VIN2
SHDN2 = VIN2
66
68
70
72
74
76
78
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ambient Temperature (°C)
I Q
S
w
itcher
and
LDO
(A)
VIN = 5.5V
SHDN1 = VIN2
SHDN2 = VIN2
VIN = 4.2V
VIN = 3.6V
30
35
40
45
50
55
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ambient Temperature (°C)
I Q
S
w
it
ch
e
r(
A)
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
IOUT1 = 0 mA
SHDN1 = VIN2
SHDN2 = AGND
30
35
40
45
50
55
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ambient Temperature (°C)
I Q
LDO
(
A)
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
IOUT2 = 0 mA
SHDN1 = AGND
SHDN2 = VIN2
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
OUT1
E
fficienc
y(%)
IOUT1 = 100 mA
IOUT1 = 250 mA
IOUT1 = 500 mA
SHDN1 = VIN2
SHDN2 = AGND
70
75
80
85
90
95
100
0.005
0.104
0.203
0.302
0.401
0.5
IOUT1 (A)
V
OU
T1
E
ffi
ci
e
n
cy(
%
)
VIN1 = 3.0V
VIN1 = 4.2V
VIN1 = 3.6V
SHDN1 = VIN2
SHDN2 = AGND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1303B-CK2EUNTR | 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 |
| TC1303B-CK3EMF | 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 |
| TC1303B-CK3EMFTR | 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 |
| TC1303B-CK3EUN | 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 |
| TC1303B-CK3EUNTR | 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 |
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