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ADP7104ACPZ-R7 bảng dữ liệu(PDF) 6 Page - Analog Devices |
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ADP7104ACPZ-R7 bảng dữ liệu(HTML) 6 Page - Analog Devices |
6 / 28 page ADP7104 Data Sheet Rev. B | Page 6 of 28 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS NOTES 1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 2. IT IS HIGHLY RECOMMENDED THAT THE EXPOSED PAD ON THE BOTTOM OF THE PACKAGE BE CONNECTED TO THE GROUND PLANE ON THE BOARD. 3 GND 4 NC 1 VOUT 2 SENSE/ADJ 6 GND 5 EN/UVLO 8 VIN 7 PG ADP7104 TOP VIEW (Not to Scale) Figure 3. LFCSP Package NOTES 1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 2. IT IS HIGHLY RECOMMENDED THAT THE EXPOSED PAD ON THE BOTTOM OF THE PACKAGE BE CONNECTED TO THE GROUND PLANE ON THE BOARD. VOUT 1 SENSE/ADJ 2 GND 3 NC 4 VIN 8 PG 7 GND 6 EN/UVLO 5 ADP7104 TOP VIEW (Not to Scale) Figure 4. Narrow Body SOIC Package Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 VOUT Regulated Output Voltage. Bypass VOUT to GND with a 1 µF or greater capacitor. 2 SENSE/ADJ Sense (SENSE). Measures the actual output voltage at the load and feeds it to the error amplifier. Connect SENSE as close as possible to the load to minimize the effect of IR drop between the regulator output and the load. This function applies to fixed voltages only. Adjust Input (ADJ). An external resistor divider sets the output voltage. This function applies to adjustable voltages only. 3 GND Ground. 4 NC Do Not Connect to this Pin. 5 EN/UVLO Enable Input (EN). Drive EN high to turn on the regulator; drive EN low to turn off the regulator. For automatic startup, connect EN to VIN. Programmable Undervoltage Lockout (UVLO). When the programmable UVLO function is used, the upper and lower thresholds are determined by the programming resistors. 6 GND Ground. 7 PG Power Good. This open-drain output requires an external pull-up resistor to VIN or VOUT. If the part is in shutdown, current limit, thermal shutdown, or falls below 90% of the nominal output voltage, PG immediately transitions low. If the power-good function is not used, the pin may be left open or connected to ground. 8 VIN Regulator Input Supply. Bypass VIN to GND with a 1 µF or greater capacitor. EPAD Exposed Pad. Exposed paddle on the bottom of the package. The EPAD enhances thermal performance and is electrically connected to GND inside the package. It is highly recommended that the EPAD be connected to the ground plane on the board. |
Số phần tương tự - ADP7104ACPZ-R7 |
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Mô tả tương tự - ADP7104ACPZ-R7 |
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