SC508
The SC508/SC508A is a synchronous EcoSpeed® buck regulator which incorporates Semtech’s advanced, patented adaptive `on-time control architecture to provide excellent light-load efficiency and fast transient response.
Features
- Power system
- Input voltage — 4.5V to 46V
- Integrated bootstrap switch
- Fixed 5V LDO output — 200mA
- 1% reference tolerance -40 to +85 °C
- Selectable internal/external bias power supply
- EcoSpeed® architecture with pseudo-fixed frequency adaptive on-time control
- Logic input and output control
- Independent control EN for LDO and switcher
- Programmable soft-start time
- Programmable VIN UVLO threshold
- Power Good output
- Selectable power-save mode
- Programmable ultrasonic power-save mode
- Protections
- Automatic restart on fault shutdown
- Over-voltage and under-voltage
- TC compensated RDS(ON) sensed current limit
- Thermal shutdown
- Smart power-save
- Pre-bias start-up
- Capacitor types: SP, POSCAP, OSCON, and ceramic
- Package — 3 x 3(mm), 20-pin MLPQ
- Lead-free and halogen-free
- RoHS and WEEE compliant
- AEC-Q100 Qualified available in SC508A
- Office automation and computing
- Networking and telecommunication equipment
- Point-of-load power supplies and module replacement
- Automotive applications
Applications
Packaging
- MLPQ 20-pin 3 x 3(mm)
Order Codes
- SC508ULTR - Lead-free packaging only. Device is WEEE and RoHS compliant and halogen-free
- SC508AULTRT - Lead-free packaging only. Device is WEEE and RoHS compliant and halogen-free
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC508
Part Description
ECOSPEED DC-DC BUCK CONTROLLER WITH INTEGRATED LDO
# of leads
20
Package Type
MLPQ-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
Datasheets & Documentation
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Distributor/Catalog Supplier Inventory
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