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LM73605-Q1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM73605-Q1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 57 page Load Current (A) 0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 5 5 50 55 60 65 70 75 80 85 90 95 100 EFF_ Freq = 400 kHz Freq = 2.2 MHz SW PVIN PGND CBOOT VCC BIAS EN AGND FB VIN COUT CBOOT CIN CVCC VOUT RFBT RFBB L SYNC/ MODE RT SS/TRK PGOOD Copyright © 2017, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM73605-Q1, LM73606-Q1 SNVSB12 – NOVEMBER 2017 LM73605-Q1/LM73606-Q1 3.5-V to 36-V, 5-A or 6-A Synchronous Step-Down Voltage Converter 1 1 Features 1 • AEC-Q100 Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Junction Operating Temperature – Device HBM ESD Classification Level 2 kV – Device CDM ESD Classification Level C5 • Wettable Flanks QFN Package (WQFN) • Low EMI and Low Switching Noise • Low Quiescent Current – 0.8 µA in Shutdown (typical) – 15 µA in Active Mode With No Load (typical) • Wide Voltage Conversion Range: – tON-MIN = 60 ns (typical) – tOFF-MIN = 70 ns (typical) • Low MOSFET ON-Resistance: – RDS_ON_HS = 53 mΩ (typical) – RDS_ON_LS = 31 mΩ (typical) • Adjustable Frequency Range: 350 kHz to 2.2 MHz • Pin-Selectable Auto Mode or Forced PWM Mode • Start-up into Pre-Biased Load, Fixed or Adjustable Soft-Start Time, and Tracking • Synchronizable to External Clock, Internal Compensation, Power-Good Flag, and Precision Enable • Cycle-by-Cycle Current Limiting, Hiccup, UVLO, and Thermal Shutdown Protections • Create a Custom Design With the WEBENCH® Power Designer using LM73605-Q1 or LM73606- Q1 Simplified Schematic 2 Applications • Automotive Distributed Power Applications • Battery-Powered Applications • General-Purpose Wide VIN Applications 3 Description The LM73605-Q1/LM73606-Q1 family of devices are easy-to-use synchronous step-down DC-DC converters capable of driving up to 5 A (LM73605- Q1) or 6 A (LM73606-Q1) of load current from a supply voltage ranging from 3.5 V to 36 V. The LM73605-Q1/LM73606-Q1 provide exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization to an external clock, FPWM option, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load and optional external bias improve efficiency over the entire load range. The family requires few external components and has a pinout designed for simple PCB layout with optimal EMI and thermal performance. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limiting, and hiccup short-circuit protection. The LM73605-Q1 and LM73606-Q1 devices are pin- to-pin compatible for easy current scaling. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM73605-Q1 WQFN (30) Wettable Flanks 6.00 mm × 4.00 mm LM73606-Q1 (1) For all available packages, see the orderable addendum at the end of the data sheet. Efficiency vs Load Current VOUT = 5 V, VIN = 12 V, Auto Mode |
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Mô tả tương tự - LM73605-Q1 |
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