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SC618

Features: ` Flash and spotlight - two selectable modes` Flash mode - up to 700mA output` Flash mode - 500mA max output (over rated voltage,` temperature, and load conditions)` Flash mode safety timer shut-off - 1 second` Spotlight mode set to 40% of fl ash current` Spotlight mode - up to 280mA out...

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SeekIC No. : 004485673 Detail

SC618: Features: ` Flash and spotlight - two selectable modes` Flash mode - up to 700mA output` Flash mode - 500mA max output (over rated voltage,` temperature, and load conditions)` Flash mode safety time...

SC618 Data Sheet

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Part Number:
SC618
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: 2025/12/26

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Product Details

Description



Features:

` Flash and spotlight - two selectable modes
` Flash mode - up to 700mA output
` Flash mode - 500mA max output (over rated voltage,
` temperature, and load conditions)
` Flash mode safety timer shut-off - 1 second
` Spotlight mode set to 40% of fl ash current
` Spotlight mode - up to 280mA output
` Spotlight mode -1x mode (under most conditions) for best efficiency
` Input range - 3.0V to 5.25V
` External fl ash control pin for synchronization to a camera
` module or graphics controller
` Short-circuit, over-voltage, and over-temperature protection
` Soft-start functionality
` Separate fl ash and spotlight control inputs for maximum versatility
` Ultra-thin package MLPD-UT-10 - 3mm x 3mm x 0.6mm


Application

· Mobile camera phones
· Digital cameras
· PDAs with built-in cameras


Pinout

Connection Diagram


Specifications

VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.5
VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.5
C1+, C2+ (V) . . . . . . . . . . . . . . . . . . . . . . . . ..-0.3 to (VOUT + 0.3)
Pin Voltage - All Other Pins (V) . . . . . . . . . . . . . -0.3 to (VIN + 0.3)
Circuit Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Protection Level(1) (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2


Description

The SC618 is a high-current charge pump designed specifically for use with white LEDs used in camera flash applications. Only two small bucket capacitors are required to develop the output drive, providing a low EMI solution compared to inductive boost regulators.

The SC618 has two modes of operation: fl ash mode and spotlight mode. In fl ash mode, the SC618 is capable of delivering 500mA of regulated current for a duration of 500ms or up to 700mA for a reduced duration. A safety timer is also included to ensure the LED cannot be left on indefi nitely and overheat. In spotlight mode the SC618 outputs 40% of the fl ash mode current and can remain enabled continuously.

An external resistor is connected in series with the LED to set the current. In fl ash mode, this resistor can dissipate up to 175mW, reducing the power dissipation requirement of the SC618. The fl ash input overrides the control input to make sure the fl ash function is activated .

The SC618 ultra-thin package provides both a low profi le and high thermal effi ciency.




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