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SY8008C WS=011 SOT23-5 High Efficiency 1.5MHz 1.2A Synchronous Step Down Regulator

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SY8008C WS=011 SOT23-5 High Efficiency 1.5MHz 1.2A Synchronous Step Down Regulator
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Product code : 1886
SY8008C WS=011 SOT23-5 High Efficiency 1.5MHz 1.2A Synchronous Step Down Regulator
The RT8059 is a high efficiency Pulse Width Modulated (PWM) step-down DC/DC converter, capable of delivering 1A output current over a wide input voltage range from 2.8V to 5.5V. The RT8059 is ideally suited for portable electronic devices that are powered by 1-cell Li-ion battery or by other power sources within the range, such as cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky diode is required in practical applications. The RT8059 automatically turns off the synchronous rectifier when the inductor current is low and enters discontinuous PWM mode. This can increase efficiency in light load condition. The RT8059 enters low dropout mode when normal PWM cannot provide regulated output voltage by continuously turning on the upper P-MOSFET. The RT8059 enters shutdown mode and consumes less than 0.1μA when the EN pin is pulled low. The switching ripple can be easily smoothed out by small package filtering elements due to a fixed operation frequency of 1.5MHz. This along with small TSOT-23-5 package provides small PCB area application. Other features include soft-start, lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection.
Description

Details

Product Description:

SY8008C WS=011 SOT23-5 High Efficiency 1.5MHz 1.2A Synchronous Step Down Regulator
Specifications:

Features

The SY8008A, SY8008B and SY8008C are highefficiency 1.5MHz synchronous step-down DC-DC
regulator ICs capable of delivering up to 1.2A output
currents. The SY8008 family operate over a wide input
voltage range from 2.5V to 5.5V and integrate main
switch and synchronous switch with very low Rds(on)
to minimize the conduction loss.
Low output voltage ripple and small external inductor
and capacitor sizes are achieved with 1.5MHz
switching frequency. This along with small SOT23/TSOT-23 footprint provides small PCB area
application.
Applications
• Portable Navigation Device
• Smart phone
• USB Dongle
• Set Top Box
• Media Player
Features
• low Rds(on) for internal switches (top/bottom)
ο SY8008A: 300m Ω /250m Ω, 0.6A
ο SY8008B: 250m Ω /200m Ω, 1A
ο SY8008C: 200m Ω /150m Ω, 1.2A
• 2.5-5.5V input voltage range
• 1.5MHz switching frequency minimizes the
external components
• Internal softstart limits the inrush current
• 100% dropout operation
• RoHS Compliant and Halogen Free
• Compact package: SOT23-5/ TSOT23-5 pin

Package Content:
1pcs SY8008C WS=011 SOT23-5 High Efficiency 1.5MHz 1.2A Synchronous Step Down Regulator

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