Datasheet LTM8024 (Analog Devices)

ПроизводительAnalog Devices
Описание40VIN, Dual 3.5A or Single 7A Silent Switcher μModule Regulator
Страниц / Страница24 / 1 — FEATURES. DESCRIPTION. Two Complete Step-Down Switching Power Supplies. …
ВерсияA
Размер файла2.8 Мб

FEATURES. DESCRIPTION. Two Complete Step-Down Switching Power Supplies. Low Noise Silent Switcher® Architecture

Datasheet LTM8024 Analog Devices, Версия: A

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LTM8024 40VIN, Dual 3.5A or Single 7A Silent Switcher μModule Regulator
FEATURES DESCRIPTION
n
Two Complete Step-Down Switching Power Supplies
The LTM®8024 is 40VIN, dual 3.5A or single 7A step-down n
Low Noise Silent Switcher® Architecture
Silent Switcher µModule® regulator. The Silent Switcher n
CISPR22 Class B Compliant
architecture minimizes EMI while delivering high efficiency n
Wide Input Voltage Range: 3V to 40V
at frequencies up to 3MHz. Included in the package are the n
Wide Output Voltage Range: 0.8V to 8V
controllers, power switches, inductors, and support com- n
3.5A Continuous Output Current Per Channel at
ponents. Operating over a wide input voltage range, the
12VIN, 3.3VOUT, TA = 80°C
LTM8024 supports output voltages from 0.8V to 8V, and n
Multiphase Parallel Operation to Increase Current
a switching frequency range of 200kHz to 3MHz, each set n Selectable Switching Frequency: 200kHz to 3MHz by a single resistor. Only the bulk input and output filter n Compact Package (9mm × 11.25mm × 3.32mm) capacitors are needed to finish the design. The LTM8024 Surface Mount BGA product video is available on website. The LTM8024 is packaged in a thermally enhanced, com-
APPLICATIONS
pact (9mm × 11.25mm × 3.32mm) over-molded ball grid array (BGA) package suitable for automated assembly n Automotive Battery Regulation by standard surface mount equipment. The LTM8024 is n Power for Portable Products RoHS compliant. n Distributed Supply Regulation All registered trademarks and trademarks are the property of their respective owners. n Industrial Supplies
Click to view associated Video Design Idea. TYPICAL APPLICATION 3.3VOUT and 5VOUT from 7V to 40V Dual Step-Down Converter Efficiency vs Load Current
95 V 24V IN IN VIN1 LTM8024 7V TO 40V VOUT1 RUN1 VOUT1 5V 3.5A 47.5k 47µF 90 FB1 AUX1 29.4k RT BIAS EFFICIENCY (%) 85 fSW = 1.2MHz GND SYNC 3.3VOUT VOUT2 5VOUT VOUT2 3.3V 80 3.5A 0 1 2 3 RUN2 78.7k 100µF LOAD CURRENT (A) 4.7µF FB2 8024 TA01b ×2 VIN2 8024 TA01a PINS NOT USED: TRSS1, TRSS2, SHARE1, SHARE2, PG1, PG2, TEST, CLKOUT Rev. A Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package PHOTOGRAPH Revision History Typical Application Related Parts