LM536253QRNLTQ1 Semiconductors - ICs by Texas Instruments

DC/DC CONV AEC-Q100 2.1MHZ VQFN-22

Status: Unknown
Series: -
RoHS: Unknown
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The LM53625-Q1/LM53635-Q1 synchronous buck regulator is optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Advanced high-speed circuitry allows the LM53625-Q1/LM53635-Q1 to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows this device to regulate a 3.3-V output from an input voltage of only 3.55 V. All aspects of the LM53625Q1/LM53635-Q1 are optimized for automotive and performance-driven industrial customers. An input voltage range up to 36 V, with transient tolerance up to 42 V, eases input surge protection design. The automotive-qualified Hotrod QFN package with wettable flanks reduces parasitic inductance and resistance while increasing efficiency, minimizing switch node ringing, and dramatically lowering electromagnetic interference (EMI). An open-drain reset output, with built-in filtering and delay, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transition between PWM and PFM modes and low quiescent current (only 15 µA for the 3.3 V option) ensure high efficiency and superior transient responses at all loads.

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Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 3.9V
Input Voltage Max 36V
DC / DC Converter IC Case VQFN
No. of Pins 22Pins
Output Current 2.5A
Output Voltage Nom. 3.3V
Switching Frequency 2.1MHz
Operating Temperature Max 150°C
Product Range -
Automotive Qualification Standard AEC-Q100
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Operating Temperature Min -40°C

Alternative Descriptions

2.5-A, 36-V synchronous, 2.1-MHz, automotive step-down DC-DC converter | Texas Instruments


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