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ADP3025

Features: Wide input voltage range: 5.5 V to 25 V High conversion efficiency > 96% Integrated current sense-no external resistor required Low shutdown current: 19 µA (typical) Voltage mode PWM with input feed-forward for fast linetransient response Dual synchronous buck controllers Built-...

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SeekIC No. : 004276414 Detail

ADP3025: Features: Wide input voltage range: 5.5 V to 25 V High conversion efficiency > 96% Integrated current sense-no external resistor required Low shutdown current: 19 µA (typical) Voltage mode ...

ADP3025 Data Sheet

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Part Number:
ADP3025
Supply Ability:
5000

Price Break

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

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Upload time: 2024/4/19

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Product Details

Description



Features:

Wide input voltage range: 5.5 V to 25 V
High conversion efficiency > 96%
Integrated current sense-no external resistor required
Low shutdown current: 19 µA (typical)
Voltage mode PWM with input feed-forward for fast line transient response
Dual synchronous buck controllers
Built-in gate drive boost circuit for driving external high-side N-channel MOSFET
2 independently programmable output voltages:
   Fixed 3.3 V or adjustable  (800 mV to 6.0 V)
   Fixed 5 V or adjustable (800 mV to 6.0 V)
Programmable PWM frequency
Integrated linear regulator controller
Extensive circuit protection functions


Application

Portable instruments
General-purpose dc-to-dc converters


Pinout

Connection Diagram


Specifications

Parameter                                                         Rating
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                                           2 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                                                                0°C to 70°C
Junction Temperature Range                             0°C to 150°C
Storage Temperature Range                             65°C to +150°C
Lead Temperature Range
(Soldering 10 sec)                                             300°C


Description

The ADP3025 is a highly efficient, dual synchronous buck switching regulator controller optimized for converting a battery or adapter input into the supply voltage required in  portable products and industrial systems. The oscillator  frequency can be programmed for 200 kHz or 300 kHz operation, or can be synchronized to an external clock signal of  up to 350 kHz.

The ADP3025 provides accurate and reliable short-circuit protection by using an internal current sense circuit that reduces cost and increases overall efficiency. Other protection features include programmable soft start, UVLO, and integrated output undervoltage/overvoltage protection. The ADP3025 contains a linear regulator controller designed to drive an external N-channel MOSFET. The linear regulator output is adjustable and can be used to generate auxiliary supply voltages. The ADP3025 is specified over the 0°C to 70°C commercial temperature range and is available in a 38-lead TSSOP package.




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