SC4540
Not Recommended for New Designs
Features
- Input voltage range — 4.5V to 12V
- Programmable LED current up to 30mA
- Current-mode PWM control — 800kHz
- Soft-start to reduce in-rush current
- PWM dimming — 100Hz to 50kHz
- PWM dimming at ISET — analog and fi ltered
- Over-voltage protection — 38V (minimum)
- Under-voltage lockout (UVLO)
- Thermal shutdown
- Shutdown current — <0.1μA (typical)
- Ultra-thin package — 2 x 2 x 0.6 (mm)
- Lead-free package, WEEE and RoHS compliant
- DSLR, DSC, and Video Cameras
- Portable media players
- Set-top boxes
- Personal navigation devices
アプリケーション
Packaging
- MLPD-8 2 X 2mm
Order Codes
- SC4540ULTRT: Lead-free, WEEE and RoHS Compliant, 3000 pcs, Tape and Reel Only
- SC4540EVB: SC4540 Evaluation Board
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC4540
Part Description
HIGH EFFICIENCY BOOST CONVERTER FOR UP TO 10 LEDs
# of leads
8
Package Type
MLPD-UT
Pb-Free (2)
YES
Reflow Temp °C (3)
260
Lead or Ball Finish
MATTE Sn
MSL Rating
1
REACH SVH C(233) EC1907/2006 (18)
YES Download Report
JIG 101 A & B (12)
YES
YES Download Report
RoHS 2/3 Amend 2015/863 (7)
YES Download Report
WEEE 2012/19/EU (19)
YES
China RoHS 2 GB/T 26572-2011
YES Download Report
Halogen Free / Low IEC 61249-2-21/JS709C (20)
YES Download Report
Proposition 65 (21)
YES Download Report
Packaging Material 94/62/EC (17)
YES Download Report
RoHS Compliant by Exception (8)
NO
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
(-40°C to +85°C / 4000 cycles)
YES
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
(50°C, 4000 Hrs)
YES
60°C/90%RH 4000 Hrs, Whisker Test
YES
Declarations and Reports
IPC-1752-2
mySemtech
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