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ZXSC400

Features: • 1.8V to 8V supply range• Typical output regulation of 1%• Over 80% typical efficiency• 4.5A typical shutdown current• Series connection for ultimate LED current matchingApplication• White LED backlighting for colour LCD panels• General LED back...

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SeekIC No. : 004552575 Detail

ZXSC400: Features: • 1.8V to 8V supply range• Typical output regulation of 1%• Over 80% typical efficiency• 4.5A typical shutdown current• Series connection for ultimate LED cur...

ZXSC400 Data Sheet

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Part Number:
ZXSC400
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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Product Details

Description



Features:

• 1.8V to 8V supply range
• Typical output regulation of 1%
• Over 80% typical efficiency
• 4.5A typical shutdown current
• Series connection for ultimate LED current matching




Application

• White LED backlighting for colour LCD panels
• General LED backlighting
• High performance white LED flashlights
• General LED driving from batteries




Pinout

Connection Diagram




Specifications

Part Number ZXSC400
Min and Max Input Voltage (V) 1.8 ~ 8
Output Voltage (V) Vin to Vm
Typ Peak Output Current (A) 0.0035
Max Output Current (mA) 0.005
Operating Ambient Temp Range (°C) -40 to 85
Efficiency (%) 80
Quiescent Current (mA) typ 0.15
Standby Quiescent Current (uA) typ 4.5


VCC. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .. . -0.3V to +10V
DRIVE. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . -0.3V to VCC + 0.3V
EOR. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . -0.3V to VCC + 0.3V
STDN. . . . . . . . . . . . . -0.3V to The lower of (+5.0V) or (VCC + 0.3V)
SENSE. . . . . . . . . . . .-0.3V to The lower of (+5.0V) or (VCC + 0.3V)
Operating Temp.. . . . . . . . . . . . . . . . . .. . . . . .. -40°C to +85°C
Storage Temp.. . . . . . . . . . . . . . . . . .. . . . . . . .-55°C to +125°C
Power Dissipation. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .450mW




Description

The ZXSC400 is a voltage mode boost converter in the SOT23-6 package. Its low feedback voltage allows the current in a chain of LEDs to be set and accurately monitored with a single resistor giving minimal losses. Its excellent load and line regulation means that for the full supply range from lithium-ion cells, the LED current will typically change by less than 1%. Using high efficiency Zetex switching transistors with ratings of 20V and higher allow many LEDs to be chained in series for the best LED current matching possible.






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