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TSM1052 Datasheet(PDF) 3 Page - STMicroelectronics |
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TSM1052 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 15 page 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 µF typ.) to GND, located as close to IC’s pins as possible, might be useful to get a clean supply voltage. |
Similar Part No. - TSM1052_08 |
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Similar Description - TSM1052_08 |
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