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| 型号： | TC1267VETTR |
| 厂商： | Microchip Technology |
| 文件页数： | 8/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V 400MA PCI DDPAK5 |
| 标准包装： | 750 |
| 应用： | 转换器，PCI 外围设备卡应用 |
| 输入电压： | 4.3 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 工作温度： | -5°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | DDPAK/TO-263-5 |
| 包装： | 带卷 (TR) |
TC1267
5.0
TYPICAL CHARACTERISTICS (CONTINUED)
Drive High Delay
V IN steps from 0.8V to 5V
See application circuit on Page 5
I LOAD = 200mA
Trace 1: V IN stepping for 0.8V to 5V
Drive Low Delay
Trace 1: V IN stepping for 5.5V to 0V
Trace 2: D R
TH(HI)
R
TDH = < 4 S
V O (min) with V IN Rising
Notice no voltage spikes during transition
from V AUX to LDO output
V OUT voltage difference is I OUT x R DS(ON) and variations
between V AUX supply and LDO output voltage
Trace 1: V IN – 3A charging a 1500 μ F capacitor
Trace 2: D R going high at V TH(HI)
Trace 3: V OUT , offset 3.3V. V OUT(min) = 3.24V
I LOAD = 200 μ A
DS21378B-page 8
TDL = < 600nS
V O (min) with V IN Falling
V OUT voltage difference is I OUT x R DS(ON) + voltage
difference from LDO to V AUX supply
Trace 1: V IN – discharging a 1500 μ F capacitor
Trace 2: D R going low at V TH(LO)
Trace 3: V OUT , offset 3.3V. V OUT(min) = 3.14V
I LOAD = 200 μ A
2002 Microchip Technology Inc.
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