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TS3553

Taiwan Semiconductor
Part Number TS3553
Manufacturer Taiwan Semiconductor
Description 3A / 350kHz Synchronous Buck DC/DC Converter
Published Jul 10, 2014
Detailed Description TS3553 3A/350kHz Synchronous Buck DC/DC Converter SOP-8EP Pin Definition: 1. BS 8. SS 2. VIN 7. EN 3. SW 6. COMP 4. GND ...
Datasheet PDF File TS3553 PDF File

TS3553
TS3553

Overview
TS3553 3A/350kHz Synchronous Buck DC/DC Converter SOP-8EP Pin Definition: 1.
BS 8.
SS 2.
VIN 7.
EN 3.
SW 6.
COMP 4.
GND 5.
FB General Description The TS3553 is a synchronous step-down DC/DC converter that provides wide 4.
5V to 23V input voltage range and 3A continuous load current capability.
Fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection and thermal shutdown.
Besides, adjustable soft-start function prevents inrush current at turn-on.
This device uses current mode control scheme that provides fast transient response.
In shutdown mode, the regulator draws 1µA or less of supply current.
Features ● ● ● ● ● ● ● ● ● ● ● ● Operating Voltage Range 4.
75V~23V Output load current up to 3A High Efficiency: Up to 95% Fixed Switching Frequency 350kHz 100mΩ Internal Power MOSFET Adjustable Output Voltage from 0.
925~20V Stable with Low ESR Output Ceramic Capacitors Current Mode Operation Input Under Voltage Lockout Over Temperature Protection Cycle-by Cycle Current limit <1µA Shutdown Current Ordering Information Part No.
TS3553CS RLG Package SOP-8EP Packing 2.
5Kpcs / 13” Reel Note: “G” denote for Halogen Free Product Application ● ● ● ● ● Set-Top-Box DVD, LCD Displays Netbook Distributed Power System DSL Modems Typical Application Circuit 3.
3V Output Application Circuit 1/11 Version: B11 TS3553 3A/350kHz Synchronous Buck DC/DC Converter Absolute Maximum Rating Characteristics Symbol Rating Unit V V V V V W ºC ºC ºC ºC/W ºC/W Maximum Supply Voltage VIN -0.
3 ~ +24 Switching Pin Input Voltage VSW -1 ~ (VIN +0.
3) Boost Voltage VBS (VSW -0.
3) ~ (VSW +6) All Other Pins -0.
3 to +6 Output Voltage VOUT 0.
925 ~ 20 Power Dissipation PD Internal Limited Operating Temperature Range TOPR -40 to +85 Storage Temperature Range TST -65 to +150 Operating Junction Temperature Range TJ +150 Thermal Resistance Junction to case 15 θJC 40 Thermal Resistance Junction to ambient θJA Note: Stresses exceed those rating may damage the device 2 Not...


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