Analog Devices, Inc. 1.5A, 500kHz Step-Down Switching Regulators LT1376IS8#PBF

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Company
Product
Description
Supplier Links
Norwood, MA, USA
1.5A, 500kHz Step-Down Switching Regulators
LT1376IS8#PBF
1.5A, 500kHz Step-Down Switching Regulators LT1376IS8#PBF
Product Details The LT1375/LT1376 are 500kHz monolithic buck mode switching regulators. A 1.5A switch is included on the die along with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components. The topology is current mode for fast transient response and good loop stability. Both fixed output voltage and adjustable parts are available.A special high speed bipolar process and new design techniques achieve high efficiency at high switching frequency. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. A shutdown signal will reduce supply current to 20μA on both parts. The LT1375 can be externally synchronized from 580kHz to 900kHz with logic level inputs. The LT1375/LT1376 fit into standard 8-pin PDIP and SO packages, as well as a fused lead 16-pin SO with much lower thermal resistance. Full cycle-by-cycle short-circuit protection and thermal shutdown are provided. Standard surface mount external parts are used, including the inductor and capacitors. For low input voltage applications with 3.3V output, see LT1507. This is a functionally identical part that can operate with input voltages between 4.5V and 12V. Applications Portable Computers Battery-Powered Systems Battery Charger Distributed Power

Product Details

The LT1375/LT1376 are 500kHz monolithic buck mode switching regulators. A 1.5A switch is included on the die along with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components.

The topology is current mode for fast transient response and good loop stability. Both fixed output voltage and adjustable parts are available.A special high speed bipolar process and new design techniques achieve high efficiency at high switching frequency. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. A shutdown signal will reduce supply current to 20μA on both parts. The LT1375 can be externally synchronized from 580kHz to 900kHz with logic level inputs.

The LT1375/LT1376 fit into standard 8-pin PDIP and SO packages, as well as a fused lead 16-pin SO with much lower thermal resistance. Full cycle-by-cycle short-circuit protection and thermal shutdown are provided. Standard surface mount external parts are used, including the inductor and capacitors.

For low input voltage applications with 3.3V output, see LT1507. This is a functionally identical part that can operate with input voltages between 4.5V and 12V.

Applications

  • Portable Computers
  • Battery-Powered Systems
  • Battery Charger
  • Distributed Power
Supplier's Site Datasheet
Sheung Wan, Hong Kong
Switching Voltage Regulators
LT1376IS8#PBF
Switching Voltage Regulators LT1376IS8#PBF
Switching Voltage Regulators 500kHz 1.5A S/D Sw Reg.

Switching Voltage Regulators 500kHz 1.5A S/D Sw Reg.

Supplier's Site Datasheet
IC REG BUCK SEPIC ADJ 1.5A 8SOIC - 471-LT1376IS8#PBF - Utmel Electronic Limited
Hong Kong, China
IC REG BUCK SEPIC ADJ 1.5A 8SOIC
471-LT1376IS8#PBF
IC REG BUCK SEPIC ADJ 1.5A 8SOIC 471-LT1376IS8#PBF
IC REG BUCK SEPIC ADJ 1.5A 8SOIC

IC REG BUCK SEPIC ADJ 1.5A 8SOIC

Supplier's Site
Voltage Regulators - DC DC Switching Regulators - LT1376IS8#PBF-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - DC DC Switching Regulators
LT1376IS8#PBF-ND
Voltage Regulators - DC DC Switching Regulators LT1376IS8#PBF-ND
IC REG BUCK SEPIC ADJ 1.5A 8SO

IC REG BUCK SEPIC ADJ 1.5A 8SO

Supplier's Site Datasheet
Switching Regulator, Current-mode, 3A, 570kHz Switching Freq-Max, BIPolar, PDSO8

Switching Regulator, Current-mode, 3A, 570kHz Switching Freq-Max, BIPolar, PDSO8

Supplier's Site Datasheet
Voltage Regulators - DC DC Switching Regulators - LT1376IS8#PBF - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Voltage Regulators - DC DC Switching Regulators
LT1376IS8#PBF
Voltage Regulators - DC DC Switching Regulators LT1376IS8#PBF
Buck, SEPIC Switching Regulator IC Positive Adjustable 2.42V 1 Output 1.5A (Switch) 8-SOIC (0.154", 3.90mm Width)

Buck, SEPIC Switching Regulator IC Positive Adjustable 2.42V 1 Output 1.5A (Switch) 8-SOIC (0.154", 3.90mm Width)

Supplier's Site Datasheet
PMIC - Voltage Regulators - DC DC Switching Regulators - LT1376IS8#PBF - Lingto Electronic Limited
Shenzhen, China
PMIC - Voltage Regulators - DC DC Switching Regulators
LT1376IS8#PBF
PMIC - Voltage Regulators - DC DC Switching Regulators LT1376IS8#PBF
IC REG BUCK SEPIC ADJ 1.5A 8SOIC

IC REG BUCK SEPIC ADJ 1.5A 8SOIC

Supplier's Site Datasheet

Technical Specifications

  Analog Devices, Inc. VAST STOCK CO., LIMITED Utmel Electronic Limited DigiKey Shenzhen Shengyu Electronics Technology Limited Quarktwin Technology Ltd. Lingto Electronic Limited
Product Category IC Switching Voltage Regulators IC Switching Voltage Regulators IC Linear Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators
Product Number LT1376IS8#PBF LT1376IS8#PBF 471-LT1376IS8#PBF LT1376IS8#PBF-ND LT1376IS8#PBF LT1376IS8#PBF LT1376IS8#PBF
Product Name 1.5A, 500kHz Step-Down Switching Regulators Switching Voltage Regulators IC REG BUCK SEPIC ADJ 1.5A 8SOIC Voltage Regulators - DC DC Switching Regulators Others Voltage Regulators - DC DC Switching Regulators PMIC - Voltage Regulators - DC DC Switching Regulators
Configuration / Function Buck Buck SEPIC
Package Type SOIC SOIC; Other; 8-SOIC (0.154, 3.90mm Width) SOIC; Other; 8-SOIC (0.154", 3.90mm Width) SOIC; Other; SOIC N SOIC; Other; 8-SOIC (0.154\", 3.90mm Width)
Life Cycle Stage Production Active Production Active
IOUT 1.5 amps 1.5 amps 1.5 amps 1.5 amps 1.5 amps 1.5 amps
VIN 5 to 25 volts 15 volts 5 to 25 volts 25 volts 5 to 25 volts
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