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LMR36015ARNXR

4.2-V to 60-V, 1.5-A ultra-small synchronous step-down converter

Manufacturer:

TI
Mfr.Part #:

LMR36015ARNXR
Datasheet:

LMR36015ARNXR Datasheet (PDF)
Vin (min) (V):

4.2
Vin (max) (V):

60
Vout (min) (V):

1
Vout (max) (V):

57
EDA/CAD Models:

Request Free CAD Models for LMR36015ARNXR

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LMR36015ARNXR General Description

The LMR36015 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 1.5 A of output current is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66 V. The transient tolerance reduces the necessary design effort to protect against overvoltages and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36015 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. Load transient performance is improved with FPWM feature in the 1-MHz regulator. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status eliminating the requirement for an external supervisor.

Key Features

Functional Safety-Capable
- Documentation available to aid functional safety system design
Designed for reliable and rugged applications
- Input transient protection up to 66 V
- Junction temperature range –40°C to +150°C
- 0.4-V dropout with 1.5-A load (typical)
Suited for scalable industrial power supplies
- Pin compatible with:
  - LMR36006 (60 V, 0.6 A )
  - LMR33620/LMR33630 (36 V, 2 A, or 3 A)
- 400-kHz, 1-MHz frequency option s
Low power dissipation across load spectrum
- 90% efficiency at 400 kHz (24 V_IN, 5 V_OUT, 1 A)
- 93% efficiency at 400 kHz (12 V_IN, 5 V_OUT, 1 A)
- Increased light load efficiency in PFM
- Low operating quiescent current of 2 6 µA
Small 2-mm × 3-mm HotRod™ package
Solution with few external components
LMR36006-Q1 and LMR36015-Q1 available in 400 kHz and 2.1 MHz, adjustable output, and fixed 3.3 V_OUT
Optimized for ultra low EMI requirements
- Meets CISPR25 class 5 standard
- Hotrod™ package minimizes switch node ringing
- Parallel input path minimizes parasitic inductance
- Spread spectrum reduces peak emissions
Create a custom design using the LMR36015 with the WEBENCH Power Designer

Specifications

Vin (min) (V)	4.2	Vin (max) (V)	60
Vout (min) (V)	1	Vout (max) (V)	57
Iout (max) (A)	1.5	Iq (typ) (mA)	0.023
Switching frequency (min) (kHz)	400	Switching frequency (max) (kHz)	1000
EMI features	Low parasitic Hotrod packaging, Spread Spectrum	Features	Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package
Operating temperature range (°C)	-40 to 150	Rating	Catalog
TI functional safety category	Functional Safety-Capable	Regulated outputs (#)	1
Control mode	current mode	Duty cycle (max) (%)	98
Type	Converter