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ZXLD1101

Features: • 1mm height profile TSOT23-5 pin package• Internal PWM filter for flicker free output• High efficiency (80% typ)• Wide input voltage range: 2.5V to 5.5V• Up to 50mA output current• Low quiescent current: (60A typ)• 500nA maximum shutdown curren...

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SeekIC No. : 004552405 Detail

ZXLD1101: Features: • 1mm height profile TSOT23-5 pin package• Internal PWM filter for flicker free output• High efficiency (80% typ)• Wide input voltage range: 2.5V to 5.5V• Up ...

ZXLD1101 Data Sheet

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Part Number:
ZXLD1101
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: 2024/11/22

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Product Details

Description



Features:

• 1mm height profile TSOT23-5 pin package
• Internal PWM filter for flicker free output
• High efficiency (80% typ)
• Wide input voltage range: 2.5V to 5.5V
• Up to 50mA output current
• Low quiescent current: (60A typ)
• 500nA maximum shutdown current
• Up to 1MHz switching frequency
• Low external component count
• Inherently matched LED currents




Application

• Mobile phones
• Digital cameras
• PDAs
• LCD modules
• Portable internet appliances
• Palmtop computers




Pinout

Connection Diagram




Specifications

Part Number ZXLD1101
Min and Max Input Voltage (V) 2.5 ~ 5.5
Output Voltage (V) ADJ 28V Max
Frequency (kHz) typ 1000
Efficiency (%) 80
Quiescent Current (mA) typ -
Standby Quiescent Current (uA) typ 60


PARAMETER SYMBOL LIMIT UNIT
Input voltage (VIN) 7 V
LX output voltage (VLX) 30 V
Switch output current (ILX) 500 mA
Power dissipation (PD) 300 mW
Operating temperature (TOP) -40 to 85
Storage temperature (TST) -55 to 150
Junction temperature (Tj MAX) 125





Description

The ZXLD1101 is a PFM inductive boost converter designed for driving 2, 3 or 4 series connected white LEDs from a Li-Ion cell and up to 8 LEDs from a 5V supply. The device operates from an input supply of between 2.5V and 5.5V and provides an adjustable current of up to 50mA.

The ZXLD1101 includes the output switch and peak current sense resistor, and can operate with a maximum output voltage of 28V.

Quiescent current is typically 60A and a shutdown function is provided to reduce this current to less than 500nA in the 'off' state.

Output current can be adjusted by applying a PWM control signal to the 'Enable' pin. Depending upon the control frequency, this will provide either a continuous or a 'chopped' output current. The PWM filter components are contained within the chip.

The device is assembled in the TSOT23-5 pin package with 1mm maximum height profile.






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