Allicdata Part #: | LTC4370IDE-ND |
Manufacturer Part#: |
LTC4370IDE |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC POWER MANAGEMENT |
More Detail: | OR Controller Current Sharing Controller N-Channel... |
DataSheet: | LTC4370IDE Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Part Status: | Obsolete |
Type: | Current Sharing Controller |
FET Type: | N-Channel |
Ratio - Input:Output: | 2:1 |
Internal Switch(s): | No |
Delay Time - ON: | 400ns |
Delay Time - OFF: | 400ns |
Current - Output (Max): | -- |
Current - Supply: | 2.1mA |
Voltage - Supply: | 2.9 V ~ 18 V |
Applications: | Redundant Power Supplies, Telecom Infrastructure |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 16-WFDFN Exposed Pad |
Supplier Device Package: | 16-DFN (4x3) |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
The LTC4370IDE is a low dropout voltage ideal diode controller that combines two ideal LDO (low-dropout) diodes in one package. It is designed to bridge the gap between traditional linear regulators which require the use of a rectifier diode and modern switched-mode power supplies (SMPS) for low power applications. This includes situations where the load current is too low for efficient SMPS operation. The controller offers the advantages of improved efficiency and low current consumption by combining two low dropout ideal diodes in one device.
The operating principle of the LTC4370IDE is based on the well-known operation of the single ideal diode. When load current is supplied, the part operates just like a standard single-diode ideal rectifier. This operation is regulated by two independent paths through the device. The first path consists of two regulators in series, the enable regulator and the output regulator. The enable regulator ensures that the internal control components of the device remain shutdown until the enable voltage is reached. The output regulator monitors the output voltage of the ideal diode and adjust the gate voltage of the two MOSFETs to keep the output voltage of the device in a pre-defined range.
The second path of the device consists of two MOSFETs in series. When the enable regulator is on, the gates of the two MOSFETs are driven by the output regulator, in a manner that make the voltage across the MOSFETs the same as the voltage across the ideal diode. This will keep the current through the device to a minimum and result in improved efficiency and low current consumption. The two MOSFETs act as a low dropout single-diode regulator that only drops a small amount of voltage at rated load.
In addition to the improved efficiency and low current consumption, the LTC4370IDE also provides a high level of flexibility for system design. The device has an adjustable current limit, which allows the designer to set the maximum current through the device, and an adjustable output voltage, which can be used to match the device to the input voltage of the load. The device also includes an enable pin, which allows the designer to turn the device on and off, as well as an eFuse pin, which can be used to protect the device from a reverse voltage event.
The LTC4370IDE is well-suited for a wide variety of low power applications, including energy harvesting, portable USB type-C applications, nomadic sensors and wearable applications. It can also be used in any application that requires a low voltage, low dropout single-diode rectifier. Due to its small size and low current consumption, the device can be used in space-constrained applications and provides an ideal solution for resource-constrained system designs.
The specific data is subject to PDF, and the above content is for reference
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