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ZS2313

上市日期: 2014-08-03
The ZS2313 is a dual, constant frequency, synchronous PWM step-down DC/DC converter. Intended for low power applications, it operates from 2.5V to 5.5V input voltage range and has a constant 1.4 MHz switching frequency

Description

 The ZS2313 is a dual, constant frequency, synchronous PWM step-down DC/DC converter. Intended for low power applications, it operates from 2.5V to 5.5V input voltage range and has a constant 1.4 MHz switching frequency, allowing the use of tiny, low cost capacitors and inductors 2mm or less in height. Each output voltage is adjustable from 0.6V to 5V. while the quiescent current is 70uA with no load, and drops to <1uA in shutdown.

 Each DC-DC converter has independent enable input  and  short-circuit  protection  allowing versatile power sequence combination.

The  ZS2313  converters  are  available  in  the industry standard SOT-23-6L packages (or upon request).

Features

l Up to 92% Efficiency

l Current Mode Operation For Excellent Line And Load Transient Response

l Low Quiescent Current: 70uA

l Output Voltage From: 0.6V ~ 5.5V

l Low Dropout Operation: 100% Duty Cycle

l No Schottky Diode Required

l 1.4MHz Fixed Frequency Switching

l Short-Circuit Protection

l Shutdown Quiescent Current: < 1uA

l Low Profile  SOT-23-6L Package

(Lead-Free Packaging Is Now Available)

Application

l Digital cameras and MP3

l Palmtop computers / PDAs

l Cellular phones

l Wireless handsets and DSL Modems

l PC cards

l Portable media players


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