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PT1202

Powtech
Part Number PT1202
Manufacturer Powtech
Description 600mA Synchronous Step-Down DC-DC Converter
Published Aug 25, 2014
Detailed Description PT1202 1.9MHz, 600mA Synchronous Step-Down DC-DC Converter GENERAL DESCRIPTION The PT1202 is a high efficiency monolithi...
Datasheet PDF File PT1202 PDF File

PT1202
PT1202

Overview
PT1202 1.
9MHz, 600mA Synchronous Step-Down DC-DC Converter GENERAL DESCRIPTION The PT1202 is a high efficiency monolithic current mode synchronous buck regulator with a constant operation frequency.
A main switch and a synchronous switch are integrated in PT1202, the device has high efficiency and no external Schottky diode needed.
Supply current is 300uA during operation and drops to ≤1μA in shutdown.
The 2.
5V to 5.
5V input voltage range makes the PT1202 ideally suited for single Li-Ion battery-powered applications.
100% duty cycle provides low dropout operation, extending battery life in portable systems.
Automatic skip cycle operation mode at light loads provides very low output ripple for noise sensitive applications.
Internal 1.
9MHz switching frequency allowing the use of small surface mount inductors and capacitors.
Ultra low output voltages are easily available with the 0.
6V feedback reference voltage.
The PT1202 is offered in a low profile SOT package and is available in an adjustable version and fixed output voltages versions from 0.
6v to 1.
8v.
FEATURES              High Efficiency: Up to 96% Low Quiescent Current: 300μA 600mA Output Current 2.
5V to 5.
5V Input Voltage Range 1.
9MHz Constant Frequency Operation Internal integrated main switch and rectifier, no Schottky Diode Required Low Dropout Operation: 100% Duty Cycle 0.
6V Reference Allows Low Output Voltages Shutdown Mode Draws≤1μA Supply Current Current Mode Operation for Excellent Line and Load Transient Response Over-temperature Protected Low Profile SOT Package RoHS compliant APPLICATIONS        Cellular and Smart Phones Personal Information Appliances Microprocessors and DSP Core Supplies Wireless and DSL Modems Digital Still Cameras MP3 Players and PDAs Portable Instruments ORDERING INFORMATION PACKAGE SOT23-5 TEMPERATURE RANGE -40 oC to 85 oC ORDERING PART NUMBER PT1202E23E-ADJ TRANSPORT MEDIA Tape and Reel 3000 units MARKING 1202z TYPICAL APPLICATION CIRCUIT VIN 2.
7~5.
5V 4...


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