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See Technical Specifications

LM63625DQPWPRQ1

Buck Switching Regulator IC Positive Adjustable 1V 1 Output 2.5A 16-PowerTSSOP (0.173", 4.40mm Width)

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM63625DQPWPRQ1
Datasheet:

LM63625DQPWPRQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100
Function:

Step-Down
Output Configuration:

Positive
Topology:

Buck
EDA/CAD Models:

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LM63625DQPWPRQ1 General Description

The LM636x5-Q1 is an easy-to-use, synchronous, step-down DC/DC converter designed for rugged automotive applications. The LM636x5-Q1 can drive up to 1.5-A or 2.5-A of load current from an input of up to 36 V. The converter has high light load efficiency and output accuracy in a small solution size. Features such as a RESET flag and precision enable provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load improves efficiency while maintaining tight load regulation. Integration eliminates many external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LM636x5-Q1 is available in the HTSSOP 16-pin power package, with PowerPAD™ , and the WSON 12-pin power package.

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Key Features

AEC-Q100-qualified for automotive applications
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
Functional Safety-Capable
- Documentation available to aid functional safety system design
Supports automotive system requirements
- Input voltage range: 3.5 V to 36 V
- Short 50-ns minimum on time
- Good EMI performance Pseudo-random spread spectrum Compatible with CISPR 25
- 23-µA low operating quiescent current
- –40°C to +150°C junction temperature range
High design flexibility
- Pin selectable V_OUT: 3.3 V, 5 V, adjustable 1 V to 20 V
- Pin compatible with the LM63610 and LM63635 (1 A, 3.25 A)
- Pin selectable frequency: 400 kHz, 2.1 MHz, adjustable 250 kHz to 2200 kHz
- Pin selectable FPWM, auto, sync modes
- TSSOP: thermally enhanced package
- WSON: for space-constrained applications
Small solution size
- As small as 10 mm × 10 mm for 2.5 A, 2.2 MHz with WSON package
- Highly integrated solution
- Low component count

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - DC DC Switching Regulators	Series	Automotive, AEC-Q100
Function	Step-Down	Output Configuration	Positive
Topology	Buck	Output Type	Adjustable
Number of Outputs	1	Voltage - Input (Min)	3.5V
Voltage - Input (Max)	36V	Voltage - Output (Min/Fixed)	1V
Voltage - Output (Max)	20V	Current - Output	2.5A
Frequency - Switching	400kHz, 2.1MHz	Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 150°C (TJ)	Mounting Type	Surface Mount
Base Product Number	LM63625