TPS54550PWPR

medium output current synchronous buck PWM converter, 8.0 V, 3 mA, SOT23

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Price:: US $2.46~6.16 / piece [Get Latest Price]

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	US $2.46~6.16

PartNumber:: TPS54550PWPR

Brand:: Burr-Brown Corporation - BB | Pack: SOT | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-09-06

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Part Number:TPS54550PWPR
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Product Summary

The TPS54550PWPR is a medium output current synchronous buck PWM converter with an integrated high－side MOSFET and a gate driver for an low－side external MOSFET. Features include a high－performance voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter inductors and capacitors. The TPS54550PWPR has an undervoltage lockout circuit to prevent start－up until the input voltage reaches 4.5 V; a slow－start circuit to limit in－rush currents; and a power good output to indicate valid output conditions. The TPS54550PWPR feature is configurable as either an input or an output for easy 180° out of phase synchronization.

Parametrics

TPS54550PWPR absolute maximum ratings: (1) VI Input voltage range VIN: －0.3 V to 21.5 V; (2) VI Input voltage range VSENSE: －0.3 V to 8.0 V; (3) VI Input voltage range UVLO: －0.3 V to 8.0 V; (4) VI Input voltage range SYNC: －0.3 V to 4.0 V; (5) VI Input voltage range SSENA: －0.3 V to 4.0 V; (6) IO Source current PH: Internally limited (A); (7) IO Source current LSG (Steady State Current): 10 mA; (8) IO Source current COMP, VBIAS: 3 mA; (9) TJ Junction temperature: +150°C; (10) Tstg Storage temperature: －65°C to +150°C; (11) Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: +260°C.

Features

TPS54550PWPR features: (1) 40 mW MOSFET Switch for High Efficiency at 6 A (7.5 Peak) Output Current; (2) Uses External Lowside MOSFET; (3) Output Voltage Adjustable Down to 0.891 V With 1% Accuracy; (4) Synchronizes to External Clock; (5) 180° Out of Phase Synchronization; (6) Wide PWM Frequency Fixed 250 kHz, 500 kHz or Adjustable 250 kHz to 700 kHz; (7) Adjustable Slow Start; (8)Adjustable Undervoltage Lockout.