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ECJ-0EB0J475M Datasheet(PDF) 8 Page - Analog Devices

Part # ECJ-0EB0J475M
Description  Dual 3 MHz, 1200 mA Buck
Download  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ECJ-0EB0J475M Datasheet(HTML) 8 Page - Analog Devices

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ADP5024
Data Sheet
Rev. A | Page 8 of 28
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
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.
2
1
3
4
5
6
18
17
16
15
14
13
NC
PGND2
SW2
VIN2
AGND
AGND
MODE
PGND1
SW1
VIN1
AVIN
AGND
ADP5024
TOP VIEW
Figure 2. Pin Configuration—View from Top of the 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 an adjustable output voltage, connect this pin to the middle of the
BUCK2 resistor divider. For device models with a 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 an adjustable output voltage, connect this pin to the middle of the
BUCK1 resistor divider. For device models with a fixed output voltage, leave this pin unconnected.
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 for forced PWM operation. MODE = low for automatic 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 an adjustable output voltage, connect this pin to the middle of the
LDO resistor divider. For device models with a fixed output voltage, connect this pin to the top of the capacitor
on VOUT3.
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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