Texas Instruments LMR604203SRAKRQ1
Manufacturer No:
LMR604203SRAKRQ1
Manufacturer:
Texas Instruments
Package:
Description:
2A Buck 200kHz~2.2MHz Adjustable 1V~20V WQFN-HR-9(2x2.5) Voltage Regulators - DC DC Switching Regulators RoHS
Quantity:
In Stock :4531
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Expected Shipping：Wed, Jun 3 - Thu, Jun 4, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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LMR604203SRAKRQ1 Information
Texas Instruments LMR604203SRAKRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LMR604203SRAKRQ1.
- Type
- Parameter
- Rating
- Automotive
- Topology
- Buck
- Iout (max) (A)
- 2
- Vin (max) (V)
- 36
- Vin (min) (V)
- 3
- Vout (max) (V)
- 34
- Vout (min) (V)
- 1
- Features
- Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package
- EMI features
- Low parasitic Hotrod packaging, Spread Spectrum
- Control mode
- current mode
- Type
- Parameter
- Switching frequency (min) (kHz)
- 200
- Switching frequency (max) (kHz)
- 2200
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 150
- Iq (typ) (µA)
- 4
- Duty cycle (max) (%)
- 98
- Type
- Converter
- Package
- WQFN-HR (RAK)
- Pins
- 9
- Size
- 5 mm² 2.5 x 2
Download datasheets and manufacturer documentation for Texas Instruments LMR604203SRAKRQ1.
Data sheet:
Functional safety information:
The LMR60420-Q1 is a 3V to 36V (42V transient), 2A, synchronous buck converter designed for automotive applications. The LMR60420-Q1 offers variants with spread spectrum in an ultra-compact, 2.5mm × 2mm, HotRod QFN-9 package with wettable flanks available, which reduces inductance and achieves low (EMI) performance to facilitate qualification of automotive and other noise-sensitive designs. All device variants are capable of output voltages ranging from 1V to 20V by including a resistor divider between the output voltage node, feedback, and ground. Each variant of the device is also capable of delivering a fixed output voltage by connecting the output voltage node directly to the feedback pin. The Device Comparison Table provides details on the fixed output voltage options. The current-mode control architecture with 30ns minimum on-time allows high conversion ratios at high frequencies, easy loop compensation, fast transient response, and excellent load and line regulation. An open drain power-good output facilitates power sequencing requirements. The MODE/SYNC pin of the LMR60420-Q1 allows the user to select between modes of operation. Forced pulse width modulation (FPWM) mode results in constant switching frequency across load while auto mode allows for seamless transitions between pulse width modulation (PWM) and pulse frequency modulation (PFM) switching. In auto mode, the LMR60420-Q1 consumes only 5µA of quiescent current, which makes sure of high efficiency at all loads. Few external components are needed allowing for compact PCB layout. The LMR60420-Q1 is a part of a family of pin compatible devices ranging in current levels from 0.6A to 6A.
- AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to 125°C ambient operating temperature range
- Functional Safety-Capable
- Wide operating input voltage: 3V to 36V (42V absolute maximum)
- Ultra-low quiescent current
- Shutdown current: 0.65µA
- No load standby current: 5µA
- Pin programmable output voltage options available in fixed 3.3V/ADJ and 5V/ADJ
- Adjustable output voltage range from 1V to 20V
- Low minimum tON (30ns typical)
- Designed for low electromagnetic interference (EMI) requirements:
- Facilitates CISPR 25 class 5 compliance
- Low inductance HotRod™ QFN package
- Spread spectrum options available
- Programmable switching frequency from200kHz – 2.2MHz
- FPWM, PFM, or external frequency synchronization available
- Designed for scalable power supplies
- Pin compatible with LMR60406-Q1, LMR60410-Q1, LMR60430-Q1, and LMR60440-Q1
- Power-Good output for power sequencing
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