IC-Hersteller Analog Devices

IC-Hersteller (96)

Analog Devices LTC3315A | Demoboard DC3123A

3.3V VIN, Dual 2A, 2MHz Buck Regulators at 1.2V and 1.8V Outputs in a 74mm2 Solution

Details

TopologieAbwärtswandler
Eingangsspannung2.25-5.5 V
Schaltfrequenz1900-2100 kHz
Ausgang 11.2 V / 2 A
Ausgang 21.8 V / 2 A

Beschreibung

Demonstration Circuit DC3123A features the LTC©3315A dual 5V, 2A Synchronous Step-Down DC/DC regulators operating at 2MHz. One regulator provides a 1.2V outputand the other provides 1.8V, both up to a 2A load. The LTC3315A supports adjustable output voltages from 0.5Vto VIN, operating frequencies from 1MHz up to 3MHz. The LTC3315A is a compact, high efficiency, and high speed synchronous monolithic step-down switching regulator.Fast minimum on-time of 25ns enables high VIN to low VOUT conversion at high frequency.

Eigenschaften

  • Dual Outputs Each with 2A Output Current
  • High Efficiency: 19mΩ NMOS and 75mΩ PMOS
  • Wide Bandwidth, Fast Transient Response
  • Switching Frequency Synchronizable Up to 3MHz
  • VIN Range: 2.25V to 5.5V
  • VOUT Range: 0.5V to VIN
  • VOUT Accuracy: ±1%
  • Low Ripple Burst Mode® Operation
  • Peak Current Mode Control
  • Minimum On-Time: 25ns
  • Safely Tolerates Inductor Saturation in Overload
  • Shutdown Current: 1.2µA
  • Precision 400mV Enable Thresholds
  • Internal Soft-Start and Compensation
  • Power Good Output
  • Low Profile, Thermally Enhanced 12-Lead 2mm × 2mm × 0.74mm LQFN and 16-Ball 1.64mm × 1.64mm × 0.5mm WLCSP Packages
  • AEC-Q100 Qualified for Automotive Applications

Typische Anwendungen

  • Industrial, Distributed DC Power Systems (POL)
  • FPGA, ASIC, µP Core Supplies
  • Automotive
  • Communications, Servers, Telecom Supplies, Optical Networking

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Downloads ProduktserieL
(mm)
f
(mm)
PinsReihenGenderTypIR
(A)
Verpackung Muster
62000311121SPEC
6 Dateien WR-PHD 2.00 mm THT Pin Header 6 3 Single Pin Header Gerade 2 Beutel
702931000SPEC
3 Dateien WA-SNSR Self-Retaining Spacer 6.4 4.8
62000411121SPEC
6 Dateien WR-PHD 2.00 mm THT Pin Header 8 4 Single Pin Header Gerade 2 Beutel
60800213421SPEC
3 Dateien WR-PHD 2.00 mm Jumper with Test Point 2 Jumper 3 Beutel
Muster
Artikel Nr. Daten­blatt Downloads ProduktserieL
(mm)
f
(mm)
PinsReihenGenderTypIR
(A)
Verpackung Muster