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AP3401

Diodes
Part Number AP3401
Manufacturer Diodes
Description 1A STEP-DOWN DC - DC BUCK CONVERTER
Published Sep 29, 2016
Detailed Description NEW PRODUCT AP3401 1.5MHZ, 1A STEP-DOWN DC - DC BUCK CONVERTER Description The AP3401 is a 1A step-down DC-DC converte...
Datasheet PDF File AP3401 PDF File

AP3401
AP3401

Overview
NEW PRODUCT AP3401 1.
5MHZ, 1A STEP-DOWN DC - DC BUCK CONVERTER Description The AP3401 is a 1A step-down DC-DC converter.
At heavy load, the constant-frequency PWM control performs excellent stability and transient response.
No external compensation components are required.
Pin Assignments (Top View) Pin 1 Mark The AP3401 supports a range of input voltages from 2.
5V to 5.
5V, allowing the use of a single Li+/Li-polymer cell, multiple Alkaline/NiMH cell, and other standard power sources.
The output voltage is adjustable from 0.
6V to the input voltage.
The AP3401 employs internal power switch and synchronous rectifier to minimize external part count and realize high efficiency.
During shutdown, the input is disconnected from the output and the shutdown current is less than 1μA.
Other key features include over-temperature and short circuit protection, and under-voltage lockout to prevent deep battery discharge.
The AP3401 delivers 1A maximum output current while consuming only 40μA of no-load quiescent current.
Ultra-low RDS(ON) integrated MOSFETs and 100% duty cycle operation make the AP3401 an ideal choice for high output voltage, high current applications which require a low dropout threshold.
Pulse skip mode allows to maintain high efficiency at light-load conditions.
The AP3401 is available in TSOT26, U-DFN2020-6 (Type J) packages.
Features  Output Current: Up to 1A  Output Voltage: 0.
6V to VIN  Input Voltage: 2.
5V to 5.
5V  0.
6V Reference Voltage With ±2% Precision  40µA (Typ) No Load Quiescent Current  Shutdown Current: <1µA  100% Duty Cycle Operation  1.
5MHz Switching Frequency  Internal Soft Start  No External Compensation Required  Current Limit Protection  Thermal Shutdown  TSOT26, U-DFN2020-6 (Type J) Packages  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free.
“Green” Device (Note 3) EN 1 GND 2 LX 3 6 FB 5 PG 4 VIN TSOT26 (Top View) P in 1 Mark EN 1 6 FB PG 2 5 GND VIN 3 4 LX U-DFN2020-6 (Type J) ...


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