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APW7153AQBI-TRG Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APW7153AQBI-TRG Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 20 page Copyright © ANPEC Electronics Corp. Rev. A.6 - Aug., 2012 APW7153/A/B www.anpec.com.tw 1 ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. 3A 5V 2MHz Synchronous Buck Converter Features • High Efficiency up to 95% - PFM/PWM Mode Operation • Adjustable Output Voltage from 0.8V to VIN • Integrated 110mΩ High/Low Side MOSFET • Programmable Switching Frequency: 300kHz to 2MHz • Low Dropout Operation: 100% Duty Cycle • Stable with Low ESR Capacitors • Power-On-Reset Detection on VDD and PVDD • Integrate Soft-Start and Soft-Off • Over-Temperature Protection • Over-Voltage Protection • Under-Voltage Protection • High/Low Side Current-Limit • Power Good Indicator (APW7153A/B) • Enable/Shutdown Function • Small TDFN3x3-10 and SOP-8P Packages • Lead Free and Green Devices Available (RoHS Compliant) Applications General Description • LCD Minitor/TV • Set-Top Box • DSL, Switch HUB • Notebook Computer • Portable Instrument Simplified Application Circuit Pin Configuration S APW7153/A/B is a 3A synchronous buck converter with integrated 110m Ω power MOSFETs. The APW7153/A/B is designed with a current-mode control scheme; it can convert wide input voltage of 2.6V to 5.5V to the output voltage adjustable from 0.8V to 5.5V to provide excellent output voltage regulation. The APW7153/A/B is equipped with an PFM/PWM mode operation. At light load, the IC operates in the PFM mode to reduce the switching losses. At heavy load, the IC works in PWM. At PWM mode, the switching frequency is set by the external resistor. The APW7153/A/B is also equipped with Power-on-reset, soft-start, soft-stop, and whole protections (under-voltage, over-voltage, over-temperature and current-limit) into a single package. This device, available TDFN3x3-10 and SOP-8P provides a very compact system solution external components and PCB area. The pin 2 and 5 must be connected to the pin 11 (Exposed Pad) 11 The pin 2 and 4 must be connected to the pin 9 (Exposed Pad) 9 APW7153/A/B V DD P VDD V IN V OUT LX 3 8 COMP SHDN/RT 1 GND 2 7 FB 5 PVDD 6 VDD SOP-8P (Top View) PGND 4 APW7153 9 Expose Pad LX 3 10 COMP SHDN/RT 1 GND 2 PGND 5 9 FB 7 PVDD 8 VDD TDFN3X3-10 (Top View) 11 Expose Pad LX 4 6 PVDD APW7153 LX 3 10 COMP EN/RT 1 GND 2 PGND 5 9 FB 7 VDD 8 POK TDFN3X3-10 (Top View) 11 Expose Pad LX 4 6 PVDD APW7153A LX 3 10 COMP SHDN/RT 1 GND 2 PGND 5 9 FB 7 VDD 8 POK TDFN3X3-10 (Top View) 11 Expose Pad LX 4 6 PVDD APW7153B |
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