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Conv DC-DC 2.4V to 30V Non-Inv/Inv/Step Up/Step Down Single-Out 1.245V to 35V 6A 8-Pin(7+Tab) DDPAK


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  • Part Number : LT1370CR

  • Package/Case : DDPAK-7

  • Brands : ADI

  • Components Categories : Voltage Regulators & Voltage ControllersSwitching Voltage Regulators

  • Datesheet : LT1370CR DataSheet (PDF)

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Overview of LT1370CR

The LT1370CR is a versatile and high-performance step-down DC-DC switching regulator designed for efficient power conversion in various electronic applications. With its advanced features and compact design, the LT1370CR offers a reliable solution for providing regulated power with high efficiency.


Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.

  • VIN (Pin 1): Input voltage.
  • GND (Pin 2): Ground.
  • SENSE (Pin 3): Voltage feedback sense for regulation.
  • ON/OFF (Pin 4): On/Off control for enabling or disabling the regulator.
  • VOUT (Pin 5): Regulated output voltage.
  • COMP (Pin 6): Compensation pin for stability.
  • SW (Pin 7): Switching node for the internal switch.
  • FB (Pin 8): Feedback pin for regulating output voltage.

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the LT1370CR DC-DC switching regulator for a more visual representation.

The circuit diagram above depicts the connections of the LT1370CR in a typical step-down switching regulator configuration. External components, such as inductors and capacitors, are connected to achieve stable and regulated power conversion.

Key Features

  • Step-Down Switching Regulator: The LT1370CR operates as a step-down (buck) switching regulator, efficiently converting higher input voltages to lower regulated output voltages.
  • Wide Input Voltage Range: With a wide input voltage range, this regulator is adaptable to diverse power supply configurations.
  • High Efficiency: The LT1370CR is designed for high efficiency, minimizing power loss and maximizing battery life in portable applications.
  • Adjustable Output Voltage: The device features an adjustable output voltage, providing flexibility in meeting various voltage requirements.

Note: For detailed technical specifications, please refer to the LT1370CR datasheet.


  • Power Supplies: Ideal for providing regulated power in a wide range of electronic devices.
  • Battery-Powered Devices: Suitable for battery-operated devices where high efficiency is crucial.
  • Voltage Regulation: Applied in applications requiring precise voltage regulation.
  • Embedded Systems: Used in embedded systems for efficient power management.


The LT1370CR efficiently steps down input voltage to provide a regulated output voltage. Its adjustable output voltage and high efficiency make it versatile for various applications, from portable devices to embedded systems.

Usage Guide

  • Input Power Connection: Connect the input power source to the VIN pin.
  • Output Connection: Connect the output load to the VOUT pin.
  • On/Off Control: Use the ON/OFF pin to enable or disable the regulator as needed.
  • Feedback Adjustment: Adjust the feedback (FB) pin to set the desired output voltage.


For similar functionalities, consider these alternatives to the LT1370CR:

LT1370CS8-5: A variant with a fixed output voltage of 5V.
LT1370CS8-12: Another variant with a fixed output voltage of 12V.

Frequently Asked Questions

Q: What is the typical efficiency of the LT1370CR?
A: Refer to the datasheet for specified efficiency values under recommended operating conditions.

Q: Can the ON/OFF pin be used for external control?
A: Yes, the ON/OFF pin allows for external control to enable or disable the regulator.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid LT1370CR Rohs Code No
Part Life Cycle Code Obsolete Ihs Manufacturer ANALOG DEVICES INC
Package Description TO-263, Reach Compliance Code not_compliant
ECCN Code EAR99 HTS Code 8542.39.00.01
Samacsys Manufacturer Analog Devices Analog IC - Other Type SWITCHING REGULATOR
Input Voltage-Max 25 V Input Voltage-Min 2.7 V
Input Voltage-Nom 5 V JESD-30 Code R-PSSO-G7
JESD-609 Code e0 Length 10.2235 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 7 Operating Temperature-Max 70 °C
Operating Temperature-Min Output Current-Max 10 A
Output Voltage-Nom 1.245 V Package Body Material PLASTIC/EPOXY
Package Code TO-263 Package Shape RECTANGULAR
Package Style SMALL OUTLINE Qualification Status Not Qualified
Seated Height-Max 4.877 mm Supply Current-Max (Isup) 6 mA
Surface Mount YES Switcher Configuration BOOST
Switching Frequency-Max 580 kHz Temperature Grade COMMERCIAL
Terminal Finish TIN LEAD OVER NICKEL Terminal Form GULL WING
Terminal Pitch 1.27 mm Terminal Position SINGLE
Width 8.89 mm

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