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SC604A

Features: Very high efficiency over 90% of battery lifePeak efficiency over 92%Current regulation for up to 4 LEDsDigital 3 bit output control logicCurrent matching tolerance of ±3% typicalWide current range per LED [0.5mA - 30mA]High available total LED current = 4`ILED = 120mALow Shutdown Curren...

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SeekIC No. : 004485663 Detail

SC604A: Features: Very high efficiency over 90% of battery lifePeak efficiency over 92%Current regulation for up to 4 LEDsDigital 3 bit output control logicCurrent matching tolerance of ±3% typicalWide curr...

SC604A Data Sheet

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Part Number:
SC604A
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:

Very high efficiency over 90% of battery life
Peak efficiency over 92%
Current regulation for up to 4 LEDs
Digital 3 bit output control logic
Current matching tolerance of ±3% typical
Wide current range per LED [0.5mA - 30mA]
High available total LED current = 4`ILED = 120mA
Low Shutdown Current: 1A typical
Soft start / In-rush current limiting
Short circuit protection
MLP-16 [4x4] Package
Fixed frequency 250kHz
1x, 1.5x and 2x charge pump modes of operation


Application

Cellular phones
LED backlighting
PDA power supplies
Portable devices
Electronic books
Wireless web appliances
LCD Modules


Specifications

Parameter
Symbol
Maximum
Units
Supply Voltage
VIN
-0.3 to +7.0
V
Output Voltage
VOUT
-0.3 to +7.0
V
VOUT Short Circuit Duration
SC
Indefinite
Thermal Resistance, Junction to Ambient (1)
JA
40
°C/W
Operating Ambient
TA
-40 to +85
°C
Junction Temperature Range
TJC
-40 to +150
°C
Storage Temperature Range
TSTG
-65 to +150
°C
IR Reflow Temperature SC604AIMLTR
TLEAD
240
°C
IR Reflow Temperature SC604AIMLTRT
TLEAD
260
°C



Description

The SC604A is a very high efficiency charge pump white LED driver driver from the mAhXLifeTM family of products, optimized for Li-Ion battery applications.

The four (4) LED outputs are current matched for consistent LED brightness. Extremely low battery current is achieved by automatically reconfiguring the charge pump to match circuit conditions. Using four LEDs, each at 20mA for a total IOUT= 80mA, the SC604A can use less than 83mA from the supply for most of the battery life. Patented low noise mode switching circuitry and constant output current allow the use of extremely small input and output capacitors.




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