LM9073

Features: ·Two 5V regulated outputs:·700mA, 2% Main output·100mA, 2% External Supply output·External Supply output protected from shorts to battery·Good EMI (1MHz to 400MHz, BCI) immunity·Separate ON/OFF and Keep-Alive control inputs·Less than 100µA quiescent current in OFF state·Programmabl...

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LM9073 Picture
SeekIC No. : 004396263 Detail

LM9073: Features: ·Two 5V regulated outputs:·700mA, 2% Main output·100mA, 2% External Supply output·External Supply output protected from shorts to battery·Good EMI (1MHz to 400MHz, BCI) immunity·Separate O...

floor Price/Ceiling Price

Part Number:
LM9073
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/21

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Product Details

Description



Features:

·Two 5V regulated outputs:
·700mA, 2% Main output
·100mA, 2% External Supply output
·External Supply output protected from shorts to battery
·Good EMI (1MHz to 400MHz, BCI) immunity
·Separate ON/OFF and Keep-Alive control inputs
·Less than 100µA quiescent current in OFF state
·Programmable delayed reset output
·Adjustable threshold voltage for generating reset
·Built-in system watchdog timer
·Input transient protection over 60V to −45V
·Less than 1V dropout at full load
·Wide −40°C to 125°C operating temperature range
·Surface mount, TO−263 and standard TO−220 power packages





Application

·Automotive module supply power conditioning
·Remote sub−system powering
·Continuous operation for save routines and E2PROM programing after power down command
·Safety relates systems − EMC operational with a system watchdog monitor






Specifications

Input Min Voltage 5.5 Volt
Input Max Voltage 27 Volt
Channels 2 Channels
Output1 VoutMin 5 Volt
Output1 VoutMax 5 Volt
Output1 IoutMax 700 mA
Output1 Topology LDO
Output2 VoutMin 5 Volt
Output2 VoutMax 5 Volt
Output2 IoutMax 100 mA
Output2 Topology LDO
Dropout Voltage 0.8 Volt
Quiescent Current 15 mA
On/Off Pin Yes
Error Flag Yes
Output Range 5V
Temperature Min -40 deg C
Temperature Max 125 deg C
Topology LDO Dual
Multiple Output Capability Yes
RegType LDO
Step-Down Yes
Adjustable Output No
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Description

The LM9073 is a high performance voltage regulator system with operational and protection features that address many requirements of automotive applications. Two regulated outputs are provided. The main regulator provides a precision 2% tolerance 5V output at 700mA with a low dropout characteristic. The second output, an External Supply regulator, provides a 5V output with 2% tolerance for load currents up to 100mA. This External Supply output is fully protected from short circuit to ground or the unregulated input supply (ignition or battery potentials in automotive applications) which makes it suitable for powering remotely located load circuits or sub-systems.

The LM9073 also contains a programmable delayed system reset output. Two control inputs are provided. An ON/OFF input intended for connection to an ignition switch, and a Keep Alive input whereby a system can remain powered after ignition has been switched OFF. Additionally, a watchdog function is built in to enhance system operationally reliability.

For EMC concerns the LM9073 remains fully operational and does not generate false rest signals while subjected to greater than 100mA, 1MHz to 400MHz bulk current injection signals on the input supply and External Supply output lines.






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