Analog Devices, Inc. Step-Down Switching Regulator LT1076IT#06PBF

Description
Product Details The LT1074 is a 5A (LT1076 is rated at 2A) monolithic bipolar switching regulator which requires only a few external parts for normal operation. The power switch, all oscillator and control circuitry, and all current limit components,are included on the chip. The topology is a classic positive “buck” configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative boost converter, and as a flyback converter. The switch output is specified to swing 40V below ground, allowing the LT1074 to drive a tapped-inductor in the buck mode with output currents up to 10A. The LT1074 uses a true analog multiplier in the feedback loop. This makes the device respond nearly instantaneously to input voltage fluctuations and makes loop gain independent of input voltage. As a result, dynamic behavior of the regulator is significantly improved over previous designs. On-chip pulse by pulse current limiting makes the LT1074 nearly bust-proof for output overloads or shorts. The input voltage range as a buck converter is 8V to 60V, but a self-boot feature allows input voltages as low as 5V in the inverting and boost configurations. The LT1074 is available in lowcost TO-220 or DD packages with frequency pre-set at 100kHz and current limit at 6.5A (LT1076 =2.6A). A 7-pin TO-220 package is also available which allows current limit to be adjusted down to zero. In addition, full micropower shutdown can be programmed. See Application Note 44 for design details. A fixed 5V output, 2A version is also available. See LT1076-5. Applications Buck Converter with Output Voltage Range of 2.5V to 50V Tapped-Inductor Buck Converter with 10A Output at 5V Positive-to-Negative Converter Negative Boost Converter Multiple Output Buck Converter
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Company
Product
Description
Supplier Links
Norwood, MA, USA
Step-Down Switching Regulator
LT1076IT#06PBF
Step-Down Switching Regulator LT1076IT#06PBF
Product Details The LT1074 is a 5A (LT1076 is rated at 2A) monolithic bipolar switching regulator which requires only a few external parts for normal operation. The power switch, all oscillator and control circuitry, and all current limit components,are included on the chip. The topology is a classic positive “buck” configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative boost converter, and as a flyback converter. The switch output is specified to swing 40V below ground, allowing the LT1074 to drive a tapped-inductor in the buck mode with output currents up to 10A. The LT1074 uses a true analog multiplier in the feedback loop. This makes the device respond nearly instantaneously to input voltage fluctuations and makes loop gain independent of input voltage. As a result, dynamic behavior of the regulator is significantly improved over previous designs. On-chip pulse by pulse current limiting makes the LT1074 nearly bust-proof for output overloads or shorts. The input voltage range as a buck converter is 8V to 60V, but a self-boot feature allows input voltages as low as 5V in the inverting and boost configurations. The LT1074 is available in lowcost TO-220 or DD packages with frequency pre-set at 100kHz and current limit at 6.5A (LT1076 =2.6A). A 7-pin TO-220 package is also available which allows current limit to be adjusted down to zero. In addition, full micropower shutdown can be programmed. See Application Note 44 for design details. A fixed 5V output, 2A version is also available. See LT1076-5. Applications Buck Converter with Output Voltage Range of 2.5V to 50V Tapped-Inductor Buck Converter with 10A Output at 5V Positive-to-Negative Converter Negative Boost Converter Multiple Output Buck Converter

Product Details

The LT1074 is a 5A (LT1076 is rated at 2A) monolithic bipolar switching regulator which requires only a few external parts for normal operation. The power switch, all oscillator and control circuitry, and all current limit components,are included on the chip. The topology is a classic positive “buck” configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative boost converter, and as a flyback converter. The switch output is specified to swing 40V below ground, allowing the LT1074 to drive a tapped-inductor in the buck mode with output currents up to 10A.

The LT1074 uses a true analog multiplier in the feedback loop. This makes the device respond nearly instantaneously to input voltage fluctuations and makes loop gain independent of input voltage. As a result, dynamic behavior of the regulator is significantly improved over previous designs.

On-chip pulse by pulse current limiting makes the LT1074 nearly bust-proof for output overloads or shorts. The input voltage range as a buck converter is 8V to 60V, but a self-boot feature allows input voltages as low as 5V in the inverting and boost configurations.

The LT1074 is available in lowcost TO-220 or DD packages with frequency pre-set at 100kHz and current limit at 6.5A (LT1076 =2.6A). A 7-pin TO-220 package is also available which allows current limit to be adjusted down to zero. In addition, full micropower shutdown can be programmed. See Application Note 44 for design details.

A fixed 5V output, 2A version is also available. See LT1076-5.

Applications

  • Buck Converter with Output Voltage Range of 2.5V to 50V
  • Tapped-Inductor Buck Converter with 10A Output at 5V
  • Positive-to-Negative Converter
  • Negative Boost Converter
  • Multiple Output Buck Converter
Supplier's Site Datasheet
Voltage Regulators - DC DC Switching Regulators - LT1076IT#06PBF - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Voltage Regulators - DC DC Switching Regulators
LT1076IT#06PBF
Voltage Regulators - DC DC Switching Regulators LT1076IT#06PBF
Buck, Boost, Flyback Switching Regulator IC Positive or Negative Adjustable 2.5V 1 Output 2A (Switch) TO-220-5

Buck, Boost, Flyback Switching Regulator IC Positive or Negative Adjustable 2.5V 1 Output 2A (Switch) TO-220-5

Supplier's Site Datasheet
PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - LT1076IT#06PBF - 878316-LT1076IT#06PBF - Win Source Electronics
Yishun, Singapore
PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - LT1076IT#06PBF
878316-LT1076IT#06PBF
PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - LT1076IT#06PBF 878316-LT1076IT#06PBF
Manufacturer: Analog Devices Inc. Win Source Part Number: 878316-LT1076IT#06PB F Operating Temperature Range: -40°C ~ 85°C (TA) Features: Buck, Boost, Flyback Switching Regulator IC Positive or Negative Adjustable 2.5V 1 Output 2A (Switch) TO-220-5 Package: TO-220-5 Package: Tube Mounting: Through Hole Family Name: LT1076 Categories: Integrated Circuits (ICs) Case / Package: TO-220-5 Flow 6 ECCN: EAR99 Popularity: Medium Fake Threat In the Open Market: 63 pct. Supply and Demand Status: Limited Quantity per package: 50 MSL Level: 1 (Unlimited) Estimated Pruduction Lead Time: 7 Weeks REACH Status: REACH Unaffected HTSUS: 8542.39.0001

Manufacturer: Analog Devices Inc.
Win Source Part Number: 878316-LT1076IT#06PBF
Operating Temperature Range: -40°C ~ 85°C (TA)
Features: Buck, Boost, Flyback Switching Regulator IC Positive or Negative Adjustable 2.5V 1 Output 2A (Switch) TO-220-5
Package: TO-220-5
Package: Tube
Mounting: Through Hole
Family Name: LT1076
Categories: Integrated Circuits (ICs)
Case / Package: TO-220-5 Flow 6
ECCN: EAR99
Popularity: Medium
Fake Threat In the Open Market: 63 pct.
Supply and Demand Status: Limited
Quantity per package: 50
MSL Level: 1 (Unlimited)
Estimated Pruduction Lead Time: 7 Weeks
REACH Status: REACH Unaffected
HTSUS: 8542.39.0001

Supplier's Site Datasheet
Sheung Wan, Hong Kong
Switching Voltage Regulators
LT1076IT#06PBF
Switching Voltage Regulators LT1076IT#06PBF
Switching Voltage Regulators 2A Step-Down Switching Reg

Switching Voltage Regulators 2A Step-Down Switching Reg

Supplier's Site Datasheet
PMIC - Voltage Regulators - DC DC Switching Regulators - LT1076IT#06PBF - Lingto Electronic Limited
Shenzhen, China
PMIC - Voltage Regulators - DC DC Switching Regulators
LT1076IT#06PBF
PMIC - Voltage Regulators - DC DC Switching Regulators LT1076IT#06PBF
IC REG MULT CONFG ADJ 2A TO220-5

IC REG MULT CONFG ADJ 2A TO220-5

Supplier's Site Datasheet
Integrated Circuits - LT1076IT#06PBF - LIXINC Electronics Co., Limited
Hong Kong, China
Integrated Circuits
LT1076IT#06PBF
Integrated Circuits LT1076IT#06PBF
IC REG MULT CONFG ADJ 2A TO220-5

IC REG MULT CONFG ADJ 2A TO220-5

Supplier's Site Datasheet
Voltage Regulators - DC DC Switching Regulators - LT1076IT#06PBF-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - DC DC Switching Regulators
LT1076IT#06PBF-ND
Voltage Regulators - DC DC Switching Regulators LT1076IT#06PBF-ND
IC REG MULT CONFIG ADJ 2A TO220

IC REG MULT CONFIG ADJ 2A TO220

Supplier's Site Datasheet
Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators - LT1076IT#06PBF - Shenzhen Shengyu Electronics Technology Limited
Futian, China
Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators
LT1076IT#06PBF
Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators LT1076IT#06PBF
IC REG MULT CONFIG ADJ 2A TO220

IC REG MULT CONFIG ADJ 2A TO220

Supplier's Site

Technical Specifications

  Analog Devices, Inc. Quarktwin Technology Ltd. Win Source Electronics VAST STOCK CO., LIMITED Lingto Electronic Limited LIXINC Electronics Co., Limited DigiKey Shenzhen Shengyu Electronics Technology Limited
Product Category IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators
Product Number LT1076IT#06PBF LT1076IT#06PBF 878316-LT1076IT#06PBF LT1076IT#06PBF LT1076IT#06PBF LT1076IT#06PBF LT1076IT#06PBF-ND LT1076IT#06PBF
Product Name Step-Down Switching Regulator Voltage Regulators - DC DC Switching Regulators PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - LT1076IT#06PBF Switching Voltage Regulators PMIC - Voltage Regulators - DC DC Switching Regulators Integrated Circuits Voltage Regulators - DC DC Switching Regulators Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators
Configuration / Function Buck Buck; Boost; Buck, Boost, Flyback Buck; Boost
Package Type TO-220 TO-220; Other; TO-220-5 TO-220; Other; TO-220-5 Flow 6 TO-220; Other; Tube TO-220; Other; TO-220-5 TO-220
Life Cycle Stage Production Active Active Active
IOUT 1.6 amps 2 amps 2 amps 2 amps 2 amps 2 amps
VIN 7.3 to 45 volts 8 to 45 volts 45 volts 8 to 45 volts
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