LX1910

Features: Internal Reference 1.17V ±2% Accuracy (Line and Temperature) 4V to 6.0V Input Range Adj. Output From 1.17V to VIN Output Current (IDC >850mA) Quiescent Current < 300µA 1MHz Operation FrequencyApplication Portable Microprocessor Core Voltage Supplies 5V to 3VPinoutSpecificati...

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LX1910 Picture
SeekIC No. : 004403456 Detail

LX1910: Features: Internal Reference 1.17V ±2% Accuracy (Line and Temperature) 4V to 6.0V Input Range Adj. Output From 1.17V to VIN Output Current (IDC >850mA) Quiescent Current < 300µA 1MHz Op...

floor Price/Ceiling Price

Part Number:
LX1910
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: 2024/3/28

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Product Details

Description



Features:

  Internal Reference 1.17V ±2% Accuracy (Line and Temperature)
  4V to 6.0V Input Range
  Adj. Output From 1.17V to VIN
  Output Current (IDC >850mA)
  Quiescent Current < 300µA
  1MHz Operation Frequency
 



Application

  Portable Microprocessor Core Voltage Supplies
  5V to 3V



Pinout

  Connection Diagram


Specifications

Input Voltage (IN) or SHDN to GND .............................................................................-0.3V to 7.0V
SW to GND.............................................................................................................-0.3V to (VIN + 0.3V)
VFB to GND..........................................................................................................................-0.3V to +2V
SW Peak Current (Internally Limited) ....................................................................................... 1000mA
Operating Temperature Range.......................................................................................-40°C to +125°C
Storage Temperature Range, TA ...................................................................................... -65°C to 150°C
Maximum Junction Temperature....................................................................................................150°C
RoHS / Pb-free Peak Package Solder Reflow Temperature
(40 seconds maximum exposure) ......................................................................................260°C (+0, -5)
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Ground. Currents are positive into, negative out of specified terminal.



Description

The LX1910 PWM buck regulator achieves very high efficiencies over a broad range of operating load conditions. The LX 1910 implements a load-detection architecture and enters a power-saving PFM mode when driving small load currents ensuring optimal regulator efficiency over the entire output current range thus maximizing battery life. The PWM operating mode implements a fixed frequency of 1MHz (typ), the transconductance error amplifier has 12µA of drive with an output voltage swing rail to rail. Compensation is external for maximum user flexibility.

The LX1910 does not require a minimum load current for stable operation. There is no Under Voltage Lockout for the input voltage, operational range includes 4V to 6V. The regulator is capable of providing an output dc load current of 850mA.The SHDN pin places the device in a sleep-mode drawing less than 1µA of quiescent current.

The LX1910 comes in space-saving MSOP package allowing a complete application circuit to occupy a very small PCB area. These features make the LX 1910 ideal for use in SmartPhones, PDAs, or other batteryoperated
devices




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