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LQM2MPN1R0NG0B Datasheet(PDF) 7 Page - Analog Devices |
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LQM2MPN1R0NG0B Datasheet(HTML) 7 Page - Analog Devices |
7 / 28 page Data Sheet ADP5023 Rev. A | Page 7 of 28 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 2 1 3 4 5 6 18 17 16 15 14 13 NC PGND2 NOTES 1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 2. IT IS RECOMMENDED THAT THE EXPOSED PAD BE SOLDERED TO THE GROUND PLANE. SW2 VIN2 GND GND MODE PGND1 SW1 VIN1 AVIN AGND ADP5023 TOP VIEW (Not to Scale) Figure 2. Pin Configuration—View from Top of Die Table 7. Pin Function Descriptions Pin No. Mnemonic Description 1 AGND Analog Ground. 2 AGND Analog Ground. 3 VIN2 BUCK2 Input Supply (2.3 V to 5.5 V). Connect VIN2 to VIN1 and AVIN. 4 SW2 BUCK2 Switching Node. 5 PGND2 Dedicated Power Ground for BUCK2. 6 NC No Connect. Leave this pin unconnected. 7 EN2 BUCK2 Enable Pin. High level turns on this regulator, and low level turns it off. 8 FB2 BUCK2 Feedback Input. For device models with adjustable output voltage, connect this pin to the middle of the BUCK2 resistor divider. For device models with fixed output voltage, leave this pin unconnected. 9 VOUT2 BUCK2 Output Voltage Sensing Input. Connect VOUT2 to the top of the capacitor on VOUT2. 10 VOUT1 BUCK1 Output Voltage Sensing Input. Connect VOUT1 to the top of the capacitor on VOUT1. 11 FB1 BUCK1 Feedback Input. For device models with adjustable output voltage, connect this pin to the middle of the BUCK1 resistor divider. For device models with fixed output voltage, connect this pin to the top of the capacitor on VOUT3. 12 EN1 BUCK1 Enable Pin. High level turns on this regulator, and low level turns it off. 13 MODE BUCK1/BUCK2 Operating Mode. MODE = high: forced PWM operation. MODE = low: auto PWM/PSM operation. 14 PGND1 Dedicated Power Ground for BUCK1. 15 SW1 BUCK1 Switching Node 16 VIN1 BUCK1 Input Supply (2.3 V to 5.5 V). Connect VIN1 to VIN2 and AVIN. 17 AVIN Analog Input Supply (2.3 V to 5.5 V). Connect AVIN to VIN1 and VIN2. 18 AGND Analog Ground. 19 FB3 LDO Feedback Input. For device models with adjustable output voltage, connect this pin to the middle of the LDO resistor divider. For device models with fixed output voltage, leave this pin unconnected. 20 VOUT3 LDO Output Voltage. 21 VIN3 LDO Input Supply (1.7 V to 5.5 V). 22 EN3 LDO Enable Pin. High level turns on this regulator, and low level turns it off. 23 AGND Analog Ground. 24 AGND Analog Ground. EPAD (EP) Exposed Pad. It is recommended that the exposed pad be soldered to the ground plane. |
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