ADP5033 Analog Devices, ADP5033 Datasheet - Page 7

• Manufacturer Part Number: ADP5033
• Description: Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs
• Manufacturer: Analog Devices

Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 7. Pin Function Descriptions
Pin No.
A1
A2
A3
A3
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
Mnemonic
VOUT3
VIN3
VIN4
VOUT4
AGND
MODE
ENA
ENB
VIN1
VOUT1
VOUT2
VIN2
PGND1
SW1
SW2
PGND2
Description
LDO1 Output Voltage and Sensing Input.
LDO1 Input Supply (1.7 V to 5.5 V, VIN4 ≤ VIN1 = VIN2).
LDO2 Input Supply (1.7 V to 5.5 V, VIN3 ≤ VIN1 = VIN2).
LDO2 Output Voltage and Sensing Input.
Analog Ground.
BUCK1/BUCK2 Operating Mode. MODE = high: forced PWM operation. MODE = low: auto PWM/PSM operation.
Regulator Enable Pin A, Active High. The regulators turned on with ENA are factory programmed.
Regulator Enable Pin B, Active High. The regulators turned on with ENB are factory programmed.
BUCK1 Input Supply (2.3 V to 5.5 V) and UVLO Detection. Connect VIN1 to VIN2.
BUCK1 Output Voltage Sensing Input.
BUCK2 Output Voltage Sensing Input.
BUCK2 Input Supply (2.3 V to 5.5 V). Connect VIN2 to VIN1.
Dedicated Power Ground for BUCK1.
BUCK1 Switching Node.
BUCK2 Switching Node.
Dedicated Power Ground for BUCK2.
Figure 2. Pin Configuration—View from the Top of the Die
A
D
B
C
BALL A1
INDICATOR
PGND1
VOUT3
AGND
VIN1
1
Rev. A | Page 7 of 28
(BALL SIDE DOWN)
VOUT1
MODE
VIN3
SW1
Not to Scale
TOP VIEW
2
VOUT2
VIN4
SW2
ENA
3
VOUT4
PGND2
VIN2
ENB
4
ADP5033