ADP5022 Analog Devices, ADP5022 Datasheet - Page 7

• Manufacturer Part Number: ADP5022
• Description: Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO
• Manufacturer: Analog Devices

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 6. Pin Function Descriptions
Pin No.
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
Mnemonic
VOUT3
AGND
VIN3
VDDA
VIN1
EN1
EN2
VIN2
SW1
EN3
MODE
SW2
PGND1
VOUT1
VOUT2
PGND2
Description
LDO Output Voltage and Sensing Input.
Analog Ground.
LDO Input Supply (VIN3 ≤ VIN1 = VIN2 = VDDA).
Supply Input for the Housekeeping Block and UVLO Sensing.
Buck1 Input Supply (VIN1 = VIN2 = VDDA).
Buck1 Activation. Set EN1 = high: turn on Buck1. Set EN1 = low: turn off Buck1.
Buck2 Activation. Set EN2 = high: turn on Buck2. Set EN2 = low: turn off Buck2.
Buck2 Input Supply (VIN2 = VIN1 = VDDA).
Buck1 Switching Node.
LDO Activation. Set EN3 = high: turn on LDO. EN3 = low: turn off LDO.
Buck1/Buck2 Operating Mode: MODE = high: forced PWM operation. MODE = low: auto PWM/PSM operation.
Buck2 Switching Node.
Dedicated Power Ground for Buck1.
Buck1 Output Voltage Sensing Input.
Buck2 Output Voltage Sensing Input.
Dedicated Power Ground for Buck2.
A
B
C
D
BALL A1
INDICATOR
PGND1
VOUT3
Figure 3. Pin Configuration
VIN1
SW1
1
Rev. C | Page 7 of 28
(BALL SIDE DOWN)
VOUT1
AGND
Not to Scale
EN1
EN3
TOP VIEW
2
VOUT2
MODE
VIN3
EN2
3
PGND2
VDDA
VIN2
SW2
4
ADP5022