Datasheet Texas Instruments TPS54354MPWPREP — Datenblatt

TPS54352-EP, TPS54353-EP, TPS54354-EP
TPS54355-EP, TPS54356-EP, TPS54357-EP
www.ti.com . SLVS684A – JANUARY 2007 – REVISED JULY 2009 4.5-V TO 20-V INPUT, 3-A OUTPUT SYNCHRONOUS PWM SWITCHES
WITH INTEGRATED FET (SWIFTв„ў)
FEATURES 1 SIMPLIFIED SCHEMATIC 100-mΩ, 4.5-A Peak MOSFET Switch for High
Efficiency at 3-A Continuous Output Current Use External Low-Side MOSFET or Diode Fixed-Output Versions – 1.2 V/1.5 V/1.8 V/
2.5 V/3.3 V/5 V Internally Compensated for Low Parts Count Synchronize to External Clock 180В° Out-of-Phase Synchronization Wide Pulse Width Modulation (PWM)
Frequency – Fixed 250 kHz,
500 kHz, or Adjustable 250 kHz to 700 kHz Internal Slow Start Load Protected by Peak Current Limit and
Thermal Shutdown Adjustable Undervoltage Lockout 16-Pin PowerPADв„ў Thin Shrink Small-Outline
Package (TSSOP) (PWP)
2 Input
Voltage TPS54356
VIN SYNC
PWRGD
ENA BOOT BIAS PH Output
Voltage LSG
PGND
VSENSE
PWRPAD EFFICIENCY
vs
OUTPUT CURRENT
100 VI = 6 V 95 VI = 12 V APPLICATIONS Industrial and Commercial Low-Power …