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Details for LM536253QRNLTQ1 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM536253QRNLTQ1
Buy Directly from Texas Instruments (3242 in stock) $2.1200
DC/DC CONV AEC-Q100 2.1MHZ VQFN-22
LM536253QRNLTQ1 image

LM536253QRNLTQ1 by Texas Instruments

DC/DC CONV AEC-Q100 2.1MHZ VQFN-22
Features
0.6-V Dropout at 3.5 A at 105u00b0C TA
15-u00b5A Quiescent Current at no Load (Typical) with 3.3-V Output
4 mm u00d7 5 mm, 0.5-mm Pitch VQFN Package With Wettable Flanks and 0.6-mm VIN Spacing
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
Available With Fixed 5-V, 3.3-V or Adjustable
Built-In Compensation, Soft Start, Current Limit, Thermal Shutdown, and UVLO
External Frequency Synchronization
Low EMI and Switch Noise
Pin-Selectable Forced PWM Mode
RESET Output with Internal Filter and 3-ms Release Timer
Spread Spectrum Option
u00b11% Output Voltage Tolerance (u201340u00b0C to 125u00b0C TJ)
u201340u00b0C to +150u00b0C Junction Temperature Range
Part Information
LM536253QRNLTQ1 image
RoHS Compliant
Description
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
Conv DC-DC Single Step Down 3.5V 42V 22-Pin VQFN T/R Avnet America
Conv DC-DC Single Step Down 3.5V 42V 22-Pin VQFN T/R Avnet Europe
2.5/3.5A, 36 V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter Texas Instruments