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IMP37

Features: `Low Dropout Voltage 0.8V maximum at 100mA 0.95V maximum at 800mA 20% lower dropout voltage than 1117 LDO regulators`Guaranteed Low Dropout Voltage at Multiple Current Levels`1% Trimmed 2.5V, 3.0V and 3.3V Outputs`Reduced Quiescent Current: 75µA Maximum`Short Circuit and Therm...

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SeekIC No. : 004374449 Detail

IMP37: Features: `Low Dropout Voltage 0.8V maximum at 100mA 0.95V maximum at 800mA 20% lower dropout voltage than 1117 LDO regulators`Guaranteed Low Dropout Voltage at Multiple Current Levels`1% Trimm...

IMP37 Data Sheet

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Part Number:
IMP37
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/8/13

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Product Details

Description



Features:

`Low Dropout Voltage
  0.8V maximum at 100mA
  0.95V maximum at 800mA
  20% lower dropout voltage than "1117" LDO regulators
`Guaranteed Low Dropout Voltage at Multiple Current Levels
`1% Trimmed 2.5V, 3.0V and 3.3V Outputs
`Reduced Quiescent Current: 75µA Maximum
`Short Circuit and Thermal Protection
`Space Saving SOT-223 Surface Mount Package
`"1117" Pin Compatible


Application

·High-efficiency linear power supplies
·Post regulator for switching supplies
·5V to 3.3V linear regulators
·USB hubs
·Battery chargers
·Routers, ISDN/DSL modems




Pinout

Connection Diagram


Specifications

Input Voltage . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . 7V
Operating Junction Temperature . . . . . .  0°C to 150°C
Storage Temperature Range . . . . . . 65°C to +150°C
Lead Temperature (Soldering) . . . 300°C for 10 seconds
These are stress ratings only and functional operation is not implied.
Exposure to absolute maximum ratings for prolonged time periods may affect device reliability. All voltages are with respect to ground.


Description

The IMP37 series of Low Dropout (LDO) three-terminal voltage regulators feature guaranteed low dropout voltages at currents up to 0.8A. The IMP37 regulator family dropout voltage is guaranteed to be 0.95V or lower at 0.8A. At 100mA, the maximum dropout voltage is 0.8V. Compared with "1117" type LDOs, the IMP37 has a 20% lower dropout voltage.

Three fixed output voltages of IMP37 are offered: 2.5V, 3.0V and 3.3V. Output voltages are factory trimmed to within 1% of the nominal value.

In addition to low dropout voltages, the IMP37 family features greatly reduced quiescent operating current. The 75mA maximum specification represents an over 100 times improvement over competitive devices.

Devices of IMP37 are short circuit protected, and a thermal protection circuit shuts the regulator off should the junction temperature exceed 165°C.

The IMP37 is available in low-profile plastic SOT-223 and TO-263 packages and are pin compatible with fixed "1117" devices.




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