SC606AIMLTRT Semtech, SC606AIMLTRT Datasheet

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SC606AIMLTRT

Manufacturer Part Number
SC606AIMLTRT
Description
IC,Laser Diode/LED Driver,LLCC,16PIN,PLASTIC
Manufacturer
Semtech
Datasheets

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Part Number
Manufacturer
Quantity
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Part Number:
SC606AIMLTRT
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
The SC606 is a very high efficiency charge pump white/color LED
driver from the mAhXLife
Li-Ion battery applications. The LED current is regulated to a value
configured by the user through an I
LED outputs are current-matched for consistent LED brightness.
Up to 6 LEDs are controlled in three zones for brightness control in
multiple displays. The 6 LED outputs are divided into 3 pairs of
LEDs. Each pair has current that is programmable independent of
the other pairs. Any combination of LEDs may be turned on using
the serial interface. The SC606 also has a float detect feature
that disables any current driver during normal operation when an
open-load condition is detected.
Patented low noise switching circuitry and constant output current
allow the use of extremely small input and output capacitors.
August 31, 2006
POWER MANAGEMENT
Typical Application Circuit
Description
TM
SDA
SCL
family of products. It is optimized for
EN
D1
2
C compatible serial interface.
3
4
1
2
ILEDA1
SCL
EN
SDA
1µF
C3
D2
SC606
D3
1µF
C4
1
D4
1µF
Patent Pending
C1
Features
Applications
Current Regulation for 6 LEDs
Current Matching Tolerance of +/- 3.5% from LED to LED
Current Accuracy to +/- 6.5% of Specified Value
Low Shutdown Current: 0.1
Soft-Start /In-rush Current Limiting
Short Circuit /Thermal Protection
Separate Brightness Zones for Multiple Displays
Open LED Output Protection
LED Backlighting
Current Range per LED [0.5mA - 32mA]
High Available Total LED Current = 6 I
Three Charge Pump Modes of Operation: 1x, 1.5x and 2x
PDA Power Supplies
Portable Devices
Very High Efficiency Over 90% of Battery Life
I
MLP-16 [4x4] Package
1.33MHz and 250kHz Programmable Fixed Frequency
Cellular Phones
2
ILEDC2
C Bus Limited Compatibility SC606
D5
VBAT
GND
C2+
C2-
12
11
10
Driver with Serial Interface
9
United States Patents: 6,504,422, 6,794,926
1µF
C2
Low Noise Smart LED
D6
μ
A Typical
Wireless Web Appliances
Electronic Books
LED
= 120mA
www.semtech.com
SC606

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