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ADP3020

Features: `Wide Input Voltage Range: 4.5 V to 25 V`High Conversion Efficiency > 96%`Integrated Current Sense-No External Resistor Required`Low Shutdown Current: 7 A (Typical)`Dual Synchronous Buck Controllers with Selectable`PWM/Power-Saving Mode Operation`Built-In Gate Drive Boost Circuit for...

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SeekIC No. : 004276413 Detail

ADP3020: Features: `Wide Input Voltage Range: 4.5 V to 25 V`High Conversion Efficiency > 96%`Integrated Current Sense-No External Resistor Required`Low Shutdown Current: 7 A (Typical)`Dual Synchronous Bu...

ADP3020 Data Sheet

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Part Number:
ADP3020
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/18

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Product Details

Description



Features:

`Wide Input Voltage Range: 4.5 V to 25 V
`High Conversion Efficiency > 96%
`Integrated Current Sense-No External Resistor Required
`Low Shutdown Current: 7 A (Typical)
`Dual Synchronous Buck Controllers with Selectable
`PWM/Power-Saving Mode Operation
`Built-In Gate Drive Boost Circuit for Driving External
`N-Channel MOSFETs
`Two Independently Programmable Output Voltages
`Fixed 3.3 V or Adjustable (1.25 V to VIN0.5 V)
`Fixed 5 V or Adjustable (1.25 V to VIN0.5 V)
`Programmable PWM Frequency
`Integrated Linear Regulator Controller
`Extensive Circuit Protection Functions
`38-Lead TSSOP Package


Application

·Notebook Computers and PDAs
·Portable Instruments
·General Purpose DC-DC Converters


Pinout

Connection Diagram


Specifications

VIN to AGND . . . . . . . . . . . . . . . . . . . . . . . .     0.3 V to +27 V
AGND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . .        ±0.3 V
INTVCC . . . . . . . . . . . . . . . . . . . . . .        AGND 0.3 V to +6 V
BST5, BST3 to PGND . . . . . . . . . . . . . . . . .       0.3 V to +32 V
BST5 to SW5 . . . . . . . . . . . . . . . . . . . . . . . . .    0.3 V to +6 V
BST3 to SW3 . . . . . . . . . . . . . . . . . . . . . . . . .    0.3 V to +6 V
CS5, CS3 . . . . . . . . . . . . . . . . . . . . . .      AGND 0.3 V to VIN
SW3, SW5 to PGND . . . . . . . . . . . . . .     0.3 V to VIN + 0.3 V
SD . . . . . . . . . . . . . . . . . . . . . . . . .       AGND 0.3 V to +27 V
DRVL5/3 to PGND . . . . . . . . .          0.3 V to (INTVCC + 0.3 V)
DRVH5/3 to SW5/3 . . . . . . . . .        0.3 V to (INTVCC + 0.3 V)
All Other Inputs and Outputs
            . . . . . . . . . . . . . . . . . . AGND 0.3 V to INTVCC + 0.3 V
JA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  98°C/W
Operating Ambient Temperature Range . . . .  40°C to +85°C
Junction Temperature Range . . . . . . . . . . . . 40°C to +150°C
Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C
Lead Temperature Range (Soldering 10 sec) . . . . . . . . .300°C


Description

The ADP3020 is a highly efficient dual synchronous buck switching regulator controller optimized for converting the battery or adapter input into the system supply voltages required in notebook computers. The ADP3020 uses a dual-mode PWM/Power Saving Mode architecture to maintain efficiency over a wide load range. The oscillator frequency can be programmed for 200 kHz, 300 kHz, or 400 kHz operation, or it can be synchronized to an external clock signal of up to 600 kHz.

The ADP3020 provides accurate and reliable short circuit protection using an internal current sense circuit, which reduces cost and increases overall efficiency. Other protection features include programmable soft-start, UVLO, and integrated output undervoltage/overvoltage protection. The ADP3020 contains a linear regulator controller that is designed to drive an external P-channel MOSFET or PNP transistor. The linear regulator output is adjustable, and can be used to generate the auxiliary voltages required in many laptop designs.




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