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参数资料
| 型号： | TC105333ECTTR |
| 厂商： | Microchip Technology |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM SOT23A-5 |
| 标准包装： | 3,000 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 345kHz |
| 占空比： | 100% |
| 电源电压： | 2.2 V ~ 10 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SC-74A，SOT-753 |
| 包装： | 带卷 (TR) |
TC105
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin No.
(5-Pin SOT-23A)
1
2
3
4
5
Symbol
EXT
V DD
GND
SHDN
V OUT
Description
Switch transistor control output. This terminal connects to the gate of an external P-channel
MOSFET (or to the base of an external PNP transistor through a current limiting resistor).
Power supply voltage input.
Ground terminal.
Shutdown input (active low). The device enters a low power shutdown state when this input is
brought low. During shutdown, regulator action is suspended, and supply current is reduced to
less than 0.5 μ A. The device resumes normal operation when SHDN is again brought high.
Voltage sense input. This input senses output voltage for regulation and must be connected to the
output voltage node as shown in the application schematic in this data sheet.
2002 Microchip Technology Inc.
DS21349B-page 3
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