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参数资料
| 型号： | TC1222ECHTR |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 950 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | EIAJ, SC-74, SOT-23A, 6 PIN |
| 文件页数： | 16/16页 |
| 文件大小： | 462K |
| 代理商： | TC1222ECHTR |
2002 Microchip Technology Inc.
DS21367B-page 9
TC1221/TC1222
5.0
TYPICAL CHARACTERISTICS
Circuit of Figure 4-3, VIN = +5V, C1 = C2 = C3, TA = 25°C unless otherwise noted.
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.
TC1221 Supply Current vs. Supply Voltage
50
100
150
200
250
300
350
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
C1 = C2 = C3 = 1
F,
RL =
∞, +25°C
5.5
TC1221 Output Resistance vs. Supply Voltage
35
40
45
50
55
60
65
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
OUTPUT
RESISTANCE
(O
h
m
s
)
C1 = C2 = C3 = 1
F, +25°C
TC1221 Output Voltage Ripple
vs. Capacitance, C2
0
50
100
150
200
250
300
0
5
10
15
CAPACITANCE (
F)
OUTPUT
VOLTAGE
RIPPLE
(m
Vp
-p
)
VIN = 5.0V
VIN = 3.3V
VIN = 3.3V, RL = 1K, +25°C
VIN = 5.0V, RL = 1K, +25°C
OUTPUT
VOLTAGE
DROOP
(m
V)
V
IN = 5.0V
0
100
200
300
400
500
600
0
5
10
15
TC1221 Output Voltage Droop
vs. Capacitance, C1 = C2
V
IN = 3.3V
VIN = 3.3V, RL = 1K, +25°C
VIN = 5.0V, RL = 1K, +25°C
CAPACITANCE (
F)
TC1221 Oscillator Frequency
vs. Supply Voltage
90
100
110
120
130
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
OSCILLATOR
FREQUENCY
(kH
z
)
SUPPLY VOLTAGE (V)
C1 = C2 = C3 = 1
F,
RL =
∞, +25°C
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| TC1223-2.5VCTTR | 功能描述:低压差稳压器 - LDO 50mA LDO w/Shutdown RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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