Datasheet Diodes AP68355Q

ManufacturerDiodes
SeriesAP68355Q
Datasheet Diodes AP68355Q

5.5V to 80V Input Automotive Grade, 3.5A Standard Buck Converter

Datasheets

Datasheet AP68255Q
PDF, 1.3 Mb, Language: en, File uploaded: Aug 31, 2025, Pages: 19
5.5V to 80V Input Automotive Grade, 2.5A Standard Buck Converter
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Detailed Description

The AP68255Q/AP68355Q is an internally compensated, standard DC-DC buck converter with a default frequency of 300kHz.

The device fully integrates a 500mΩ high-side power MOSFET power MOSFET to provide highly efficient step-down DC-DC conversion.

The AP68255Q/AP68355Q device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.

The AP68255Q/AP68355Q design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high frequency radiated EMI noise caused by MOSFET switching.

The AP68255Q/AP68355Q is available in the standard Green SO-8EP package.

Parametrics

Parameters / ModelsAP68355QSP-13
AP68355QSP-13
Compliance (Only Automotive Supports PPAP)Automotive
Frequency Typ (kHz)300
HS RDS(ON) (mΩ)500
Maximum Output Voltage (V)50
MaximumInput Voltage (V)80
Minimum Output Voltage (V)1.2
MinimumInput Voltage (V)5.5
Output Current (A)3.5 A
Quiescent Current Typ (μA)140
Shutdown Current Typ (µA)4.2
TypeBuck

Other Options

AP68255Q

Model Line

Series: AP68355Q (1)

Manufacturer's Classification

  • Power Management > DC-DC Converters > Integrated Power Stage > AP68355Q