Datasheet Details
- Part number
- ADP3025
- Manufacturer
- Analog Devices ↗
- File Size
- 609.49 KB
- Datasheet
- ADP3025_AnalogDevices.pdf
- Description
- High Efficiency Dual Output Power Supply Controller
ADP3025 Description
High Efficiency Dual Output Power Supply Controller ADP3025 .
The ADP3025 is a highly efficient, dual synchronous buck switching regulator controller optimized for converting a battery or adapter input into the s.
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 line transient response Dual synchronous buck controllers Built-in gate driv
ADP3025 Applications
* Portable instruments General-purpose dc-to-dc converters
SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM
VIN 5.5V TO 25V PFO 5V LINEAR REGULATOR REF Q1 L1 5V SWITCHING CONTROLLER 3.3V SWITCHING CONTROLLER 3.3V Q2 800mV
Q3 L2 5V Q4
SS5
SS3
Q5 LINEAR CONTROLLER POWER-ON RESET
PWRGD
2.5V
ADP3025
Figure 1.
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