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Power Management TPS43336QDAPRQ1 Step-Down DC-DC Controller IC 38-HTSSOP

Product Description Of TPS43336QDAPRQ1

TPS43336QDAPRQ1 include two current-mode synchronous buck controllers and a voltage-mode boost controller. TPS43336QDAPRQ1 devices are ideally suited as a pre-regulator stage with low Iq requirements and for applications that must survive supply drops due to cranking events.

Specification Of TPS43336QDAPRQ1

Output Type:Transistor Driver

Function:Step-Up, Step-Down

Output Configuration:Positive

Topology:Buck, Boost

Number of Outputs:3

Output Phases:2

Voltage - Supply (Vcc/Vdd):4V ~ 40V

Frequency - Switching:150kHz ~ 600kHz

Duty Cycle (Max):90%, 98.75%

Features Of TPS43336QDAPRQ1

Two Synchronous Buck Controllers

One Pre-Boost Controller

Input Range up to 40 V, (Transients up to 60 V),Operation Down to 2 V When Boost is Enabled

Low-Power-Mode IQ: 30 µA (One Buck On), 35 µA(Two Bucks On)

Low Shutdown Current Ish < 4 µA

Buck Output Range 0.9 V to 11 V

Boost Output Selectable: 7 V, 10 V, or 11 V

Programmable Frequency and External Synchronization Range 150 kHz to 600 kHz

Separate Enable Inputs (ENA, ENB)

Frequency Spread Spectrum (TPS43336-Q1)

Selectable Forced Continuous Mode or Automatic Low-Power Mode at Light Loads

Sense Resistor or Inductor DCR Sensing

Out-of-Phase Switching Between Buck Channels

Peak Gate-Drive Current 0.7 A

Applications Of TPS43336QDAPRQ1

Automotive Start-Stop, Infotainment, Navigation Instrument Cluster Systems

Industrial and Automotive Multi-Rail DC Power Distribution Systems and Electronic Control Units

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