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參數資料
| 型號： | TSM1052 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | LEAD FREE, SOT-23, 6 PIN |
| 文件頁數： | 9/15頁 |
| 文件大?。?/td> | 262K |
| 代理商： | TSM1052 |
TSM1052
Description
3/15
1
Description
1.1
Pin connection
Figure 1.
Pin Connection (top view)
1.2
Pin description
Vcc
Vsense
Ictrl
Vctrl
OUT
GND
1
2
3
6
5
4
Vcc
Vsense
Ictrl
Vcc
Vsense
Ictrl
Vctrl
OUT
GND
Vctrl
OUT
GND
1
2
3
6
5
4
1
2
3
6
5
4
1
2
3
6
5
4
Vcc
Vsense
Ictrl
Vctrl
OUT
GND
1
2
3
6
5
4
Vcc
Vsense
Ictrl
Vcc
Vsense
Ictrl
Vctrl
OUT
GND
Vctrl
OUT
GND
1
2
3
6
5
4
1
2
3
6
5
4
1
2
3
6
5
4
Table 2.
Pin description
N.
Name
Function
1Vctrl
Inverting input of the voltage loop op amp. The pin will be tied to the mid-point
of a resistor divider that senses the output voltage.
2GND
Ground. Return of the bias current of the device. 0 V reference for all
voltages. The pin should be tied as close to the ground output terminal of the
converter as possible to minimize load current effect on the voltage regulation
set point.
3OUT
Common open-drain output of the two internal op amps. The pin, able to sink
current only, will be connected to the branch of the optocoupler’s photodiode
to transmit the error signal to the primary side.
4Ictrl
Non-inverting input of the current loop op amp. It will be tied directly to the hot
(negative) end of the current sense resistor
5Vsense
Inverting input of the current loop op amp. The pin will be tied to the cold end
of the current sense resistor through a decoupling resistor.
6Vcc
Supply Voltage of the device. A small bypass capacitor (0.1 F typ.) to GND,
located as close to IC’s pins as possible, might be useful to get a clean
supply voltage.
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