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ADP5053-EVALZ Arkusz danych(PDF) 10 Page - Analog Devices |
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ADP5053-EVALZ Arkusz danych(HTML) 10 Page - Analog Devices |
10 / 37 page Data Sheet ADP5053 Rev. B | Page 9 of 36 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 2 3 PVIN1 PVIN1 SW1 4 SW1 5 BST1 6 DL1 7 PGND TOP VIEW (Not to Scale) ADP5053 25 BST4 26 PGND4 27 SW4 28 PVIN4 29 30 31 VTH 32 WDI 33 PVIN3 34 SW3 35 PGND3 36 BST3 NOTES 1. THE EXPOSED PAD MUST BE CONNECTED AND SOLDERED TO AN EXTERNAL GROUND PLANE. 8 DL2 9 BST2 10 SW2 11 SW2 12 PVIN2 MR RSTO Figure 3. Pin Configuration Table 7. Pin Function Descriptions Pin No. Mnemonic Description 1 BST3 High-Side FET Driver Power Supply for Channel 3. 2 PGND3 Power Ground for Channel 3. 3 SW3 Switching Node Output for Channel 3. 4 PVIN3 Power Input for Channel 3. Connect a bypass capacitor between this pin and ground. 5 WDI Watchdog Refresh Input from Processor. 6 VTH Monitoring Voltage Threshold Programming. 7 MR Manual Reset Input, Active Low. 8 RSTO Open-Drain Reset Output, Active Low. 9 PVIN4 Power Input for Channel 4. Connect a bypass capacitor between this pin and ground. 10 SW4 Switching Node Output for Channel 4. 11 PGND4 Power Ground for Channel 4. 12 BST4 High-Side FET Driver Power Supply for Channel 4. 13 GND This pin is for internal test purposes. Connect this pin to ground. 14 EN4 Enable Input for Channel 4. Use an external resistor divider to set the turn-on threshold. 15 COMP4 Error Amplifier Output for Channel 4. Connect an RC network from this pin to ground. 16 FB4 Feedback Sensing Input for Channel 4. 17, 18, 19 GND These pins are for internal test purposes. Connect these pins to ground. 20 PWRGD Power-Good Signal Output. This open-drain output is the power-good signal for the selected channels. 21 FB2 Feedback Sensing Input for Channel 2. 22 COMP2 Error Amplifier Output for Channel 2. Connect an RC network from this pin to ground. 23 EN2 Enable Input for Channel 2. Use an external resistor divider to set the turn-on threshold. 24, 25 PVIN2 Power Input for Channel 2. Connect a bypass capacitor between this pin and ground. 26, 27 SW2 Switching Node Output for Channel 2. 28 BST2 High-Side FET Driver Power Supply for Channel 2. 29 DL2 Low-Side FET Gate Driver for Channel 2. Connect a resistor from this pin to ground to program the current- limit threshold for Channel 2. 30 PGND Power Ground for Channel 1 and Channel 2. 31 DL1 Low-Side FET Gate Driver for Channel 1. Connect a resistor from this pin to ground to program the current- limit threshold for Channel 1. |
Podobny numer części - ADP5053-EVALZ |
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Podobny opis - ADP5053-EVALZ |
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