The DIODES™ AP66300Q is an adjustable switching frequency internal compensated synchronous DC-DC buck converter with a default internal frequency of 500kHz. The device fully integrates a 120mΩ high-side power MOSFET and a 55mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. The device enables a continuous load current of up to 3A.
current mode control operation, which enables easy loop stabilization supporting a wide range of output capacitive loads.
The AP66300Q simplifies board layout and reduces space requirements with its high level of integration and minimal need for external components, making it ideal for distributed power architectures.
Pin Assignments
16 15 14 BIAS 1
VCC 2
VIN 3
VIN 4
EPAD
5
6
7
GND FB SS/TR PG
13 12 MSYNC 11 FS 10 EN
9 PGND 8
BST SW SW PGND
The AP66300Q is available in the standard Green U-QFN404016/SWP (Type UXB) package.
Features
Qualified for Automotive Applications
AEC-Q1.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | AP66300 |
DIODES |
3A LOW IQ SYNCHRONOUS BUCK CONVERTER | |
2 | AP6618GM-HF |
Advanced Power Electronics |
POWER MOSFET | |
3 | AP6618GM-HF-3 |
Advanced Power Electronics |
N-CHANNEL ENHANCEMENT MODE POWER MOSFET | |
4 | AP6618M |
Advanced Power Electronics |
N-Channel MOSFET | |
5 | AP66200 |
DIODES |
2A LOW IQ SYNCHRONOUS BUCK CONVERTER | |
6 | AP66200Q |
DIODES |
2A LOW IQ SYNCHRONOUS BUCK CONVERTER | |
7 | AP6677GH |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET | |
8 | AP6677GH-HF |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET | |
9 | AP6679BGH-HF |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET | |
10 | AP6679BGI-HF |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET | |
11 | AP6679BGJ-HF |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET | |
12 | AP6679BGJB-HF |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET |