LM536253QRNLTQ1

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Details for Texas Instruments

LM536253QRNLTQ1

2.5/3.5A, 36 V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter
Buy Directly from Texas Instruments (2515 in Stock)
$2.4100 per unit
Series Information for LM536253QRNLTQ1 - Texas Instruments

Features

  • feature
    0.6-V Dropout at 3.5 A at 105u00b0C TA
  • feature
    15-u00b5A Quiescent Current at no Load (Typical) with 3.3-V Output
  • feature
    4 mm u00d7 5 mm, 0.5-mm Pitch VQFN Package With Wettable Flanks and 0.6-mm VIN Spacing
  • feature
    AEC-Q100 Automotive Qualified: u2013 Device Temperature Grade 1: u201340u00b0C to +125u00b0C Ambient Operating Temperature Range u2013 Device HBM Classification Level 2 u2013 Device CDM Classification Level C6
  • feature
    Available With Fixed 5-V, 3.3-V or Adjustable
  • feature
    Built-In Compensation, Soft Start, Current Limit, Thermal Shutdown, and UVLO
  • feature
    External Frequency Synchronization
  • feature
    Low EMI and Switch Noise
  • feature
    Pin-Selectable Forced PWM Mode
  • feature
    RESET Output with Internal Filter and 3-ms Release Timer
  • feature
    Spread Spectrum Option
  • feature
    u00b11% Output Voltage Tolerance (u201340u00b0C to 125u00b0C TJ)
  • feature
    u201340u00b0C to +150u00b0C Junction Temperature Range

Description

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

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

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 3.5V 42V 22-Pin VQFN T/R

Avnet Europe

Conv DC-DC Single Step Down 3.5V 42V 22-Pin VQFN T/R

Texas Instruments

2.5/3.5A, 36 V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter

Texas Instruments product