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TPS55383

Features: ` 4.5-V to 28-V Input Range` Output Voltage 0.8 V to 90% of Input Voltage` Output Current Up to 3 A` Two Fixed Switching Frequency Versions: TPS55383: 300 kHz TPS55386: 600 kHz` Three Selectable Levels of Overcurrent Protection (Output 2)` 0.8-V 1.75% Voltage Reference` 2.1-ms Internal S...

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SeekIC No. : 004526945 Detail

TPS55383: Features: ` 4.5-V to 28-V Input Range` Output Voltage 0.8 V to 90% of Input Voltage` Output Current Up to 3 A` Two Fixed Switching Frequency Versions: TPS55383: 300 kHz TPS55386: 600 kHz` Three Sele...

TPS55383 Data Sheet

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Part Number:
TPS55383
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 4.5-V to 28-V Input Range
` Output Voltage 0.8 V to 90% of Input Voltage
` Output Current Up to 3 A
` Two Fixed Switching Frequency Versions:
TPS55383: 300 kHz
TPS55386: 600 kHz
` Three Selectable Levels of Overcurrent Protection (Output 2)
` 0.8-V 1.75% Voltage Reference
` 2.1-ms Internal Soft Start
` Dual PWM Outputs 180° Out-of-Phase
` Ratiometric or Sequential Startup Modes
` Configurable as Dual Output or Two-Channel Single Output Multiphase for 6 amp Capability
` 85-m Internal High-Side MOSFETs
` Current Mode Control with External Compensation
` Pulse-by-Pulse Overcurrent Protection
` Thermal Shutdown Protection at +148°C
` 16-Pin PowerPAD™ HTSSOP package


Application

· Set Top Box
· Digital TV
· Power for DSP
· Consumer Electronics


Specifications

    VALUE UNIT
Input voltage range PVDD1, PVDD2, EN1, EN2 30 A
BOOT1, BOOT2 VSW+ 7
SW1, SW2 2 to 30
SW1, SW2 transient (< 50ns) 3 to 31
BP 6.5
SEQ, ILIM2 0.3 to 6.5
COMP1, COMP2 0.3 to 3.5
FB1, FB2 0.3 to 3
  SW1, SW2 output current 7 A
  BP load current 35 mA
Tstg Storage temperature 55 to +165
TJ Operating temperature 40 to +150
  Soldering temperature +260

(1) Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional operation should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Exposure to conditions beyond the operational limits for extended periods of time may affect device reliability.




Description

The TPS55383 and TPS55386 are dual output,snuopnp-soyrnticnhgro3n-Aouosutpubtuacpkpliccaotinovnesrttehrast opcearpaateblferomoaf 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With an internally-determined operating frequency and soft start time, these converters TPS55383 provide many features with a minimum of external components. The aolulotpwuintsg oufsetrheopttiwmoizaetrioronr oafmthpeliffieeersdbaarcek laococpeussnidbeler a wide range of output filter characteristics.

Channel 1 overcurrent protection of TPS55383 is set at 4.5 A, while Channel 2 overcurrent protection level is selected by cseotntinnegctlienvgelas pairnetousgerdoutonda,lltoowBfPo,r osrcalelifnt gflooaftienxgt.eTrnhael components for applications that do not need the full load capability of both outputs.

cTohnefigouuretpduttso mallaoyw beeitheernarabtleiodmeintrdicepoerndseenqtulye,ntioarl startup sequencing. Additionally, the two outputs of TPS55383 may be powered from different sources.




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