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ZXLB1600

Features: • Wide input voltage range: 1.6 to 5.5V• Adjustable output voltage up to 28V using PWM or analog control voltage• True shutdown (output isolated from input)• Internal output switch and current sense• Low quiescent current: (75µA max)• 5µA (...

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SeekIC No. : 004552403 Detail

ZXLB1600: Features: • Wide input voltage range: 1.6 to 5.5V• Adjustable output voltage up to 28V using PWM or analog control voltage• True shutdown (output isolated from input)• Intern...

ZXLB1600 Data Sheet

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Part Number:
ZXLB1600
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: 2024/4/18

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Product Details

Description



Features:

• Wide input voltage range: 1.6 to 5.5V
• Adjustable output voltage up to 28V using PWM or analog control voltage
• True shutdown (output isolated from input)
• Internal output switch and current sense
• Low quiescent current: (75µA max)
• 5µA (max) shutdown current (including low battery comparator)
• Up to 500kHz switching frequency (PFM)
• 85% efficiency
• Low battery flag
• Small MSOP10 package
• Low external component count




Application

• PDAs
• Mobile Phones
• Digital Cameras
• Portable Internet Appliances
• Notebook and Palmtop computers




Specifications

Part Number ZXLB1600
Min and Max Input Voltage (V) 1.6 ~ 5.5
Output Voltage (V) 2.5 to 28 ADJ
Output Current (A) 0.25
Frequency (MHz) typ 0.5
Quiescent Current (uA) typ 75
Standby Quiescent Current (uA) typ 5


Output Voltage. . . . . . . . . . . . . . . .. . . . .30V
Input Voltage. . . . . . . . . . . . . . . .. . . . . . .7V
Switch output current. . . . . . . . . . . . . .500mA
Power Dissipation. . . . . . . . . . . . . . . . 800mW
Operating Temperature. . . . . . . . . 0 to 70°C
Storage Temperature. . . . . . . . .-55 to 125°C
Junction Temperature. . . . . . . . . . . . . 150°C




Description

The ZXLB1600 DC/DC boost converter accepts an input voltage of between 1.6V and 5.5V and provides an adjustable output voltage of up to 28V for LCD backplane bias. The device contains the output switch and a second switch to isolate the coil from the input and provide true isolation in shutdown mode. The output can be adjusted by means of an externally applied dc voltage, or PWM= control signal and can supply typically 10mA of output current at maximum output voltage. Higher current is available at lower output voltages.

The input voltage range accepts a number of battery solutions, including dual dry cell and single Li-Ion cells and PFM operation mode allows the output to be regulated with high efficiency under light or no load conditions. The switching frequency range permits the use of miniature surface mount inductors.

The voltage control range can be modified, if required, by external resistors. A low battery comparator is provided to indicate when the input voltage has fallen to within ±2% of a preset threshold.






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