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TPSM82821 Datasheet(PDF) 1 Page - Texas Instruments |
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TPSM82821 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 54 page  TPSM8282x, TPSM8282xA 1-A, 2-A, and 3-A High Efficiency Step-Down Converter MicroSiP™ Power Module with Integrated Inductor 1 Features • 1.1-mm profile MicroSiP™ power module • CISPR 11 class B compliant • Up to 95% efficiency • 2.4-V to 5.5-V input voltage range • 0.6-V to 4-V adjustable output voltage • Fixed output voltages available: 1.2-V, 1.8-V, 2.5-V and 3.3-V • 4-μA operating quiescent current • DCS-control topology • Power save mode option available for light load efficiency • Forced-PWM option available for CCM operation • 100% duty cycle for lowest dropout • Hiccup short circuit protection • Output discharge • Power good output with window comparator • Integrated soft start-up • Overtemperature protection • PSPICE models available for: TPSM82821, TPSM82822 and TPSM82823 • 2.0-mm × 2.5-mm × 1.1-mm 10-pin μSiL package • 12 mm2 total solution size (for the fixed output voltage versions) 2 Applications • Optical modules • Machine vision • Industrial PCs • PLCs • Wired Networking 3 Description The TPSM8282x device family consists of a 1-A, 2- A, and 3-A step-down converter MicroSiP™ power modules optimized for small solution size and high efficiency. The power modules integrate a synchronous step- down converter and an inductor to simplify design, reduce external components and save PCB area. The TPSM8282x is available in two flavors. The first includes an automatically entered power save mode to maintain high efficiency down to very light loads for extending the system battery run-time. The second version, the TPSM8282xA, runs in forced- PWM maintaining a continuous conduction mode at all currents to minimize the output ripple. In PWM mode the converter operates with a nominal switching frequency of 4MHz. In power save mode, the device operates with typically 4-µA quiescent current. Using the DCS- Control topology, the device achieves excellent load transient performance and accurate output voltage regulation. The EN and PG pins, which support sequencing configurations, bring a flexible system design. An integrated soft start-up reduces the inrush current required from the input supply. Overtemperature protection and hiccup short circuit protection deliver a robust and reliable solution. Device Information PART NUMBER (1) PACKAGE BODY SIZE (NOM) TPSM82821xSILR µSiL (10) 2.0 mm × 2.5 mm TPSM82822xSILR TPSM82823xSILR (1) For all available packages, see the orderable addendum at the end of the data sheet. TPSM828222 2.4V to 5.5V V IN POWER GOOD VOUT FB VIN GND EN PG V OUT 1.8V/2A C1 4.7 µF R3 100 k 1 x 22 µF C2 Fixed Output Application set at 1.8-V Output Voltage Load (A) 60 65 70 75 80 85 90 95 100 100µ 1m 10m 100m 1 3 D033 VIN = 2.4V VIN = 3.3V VIN = 4.2V VIN = 5V TPSM82823 Efficiency at 1.8-V Output Voltage TPSM82823, TPSM82822, TPSM82821, TPSM82823A, TPSM82822A, TPSM82821A SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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