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AP3402

Diodes
Part Number AP3402
Manufacturer Diodes
Description 2A STEP-DOWN DC-DC BUCK CONVERTER
Published Feb 28, 2016
Detailed Description AP3402 1.0MHZ, 2A STEP-DOWN DC-DC BUCK CONVERTER Description The AP3402 is a 2A step-down DC-DC converter. At heavy loa...
Datasheet PDF File AP3402 PDF File

AP3402
AP3402

Overview
AP3402 1.
0MHZ, 2A STEP-DOWN DC-DC BUCK CONVERTER Description The AP3402 is a 2A 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.
The AP3402 supports a range of input voltages from 2.
7V 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 AP3402 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 AP3402 delivers 2A maximum output current while consuming only 90μA of no-load quiescent current.
Ultra-low RDS(ON) integrated MOSFETs and 100% duty cycle operation make the AP3402 an ideal choice for high output voltage, high current applications which require a low dropout threshold.
The AP3402 is available in TSOT26 package.
Features  Output Current: Up to 2A  Output Voltage: 0.
6V to VIN  Input Voltage: 2.
7V to 5.
5V  Peak Efficiency Up to 95%  90μA (Typ) No Load Quiescent Current  Shutdown Current: <1μA  100% Duty Cycle Operation  1MHz Switching Frequency  Power Good Indicator Function  Internal Soft Start  No External Compensation Required  Current Limit Protection  Thermal Shutdown  TSOT26 Package  Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free.
“Green” Device (Note 3) Pin Assignments (Top View) Pin 1 Mark EN 1 GND 2 LX 3 6 FB 5 PG 4 VIN TSOT26 Applications  5V or 3.
3V Point of Load Conversion  Telecom/Networking Equipment  Set Top Boxes  Storage Equipment  Video Cards  DDR Power Supply Notes: 1.
No purposely added lead.
Fully EU Directive 2...


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