SC480
Not Recommended for New Designs
Not recommended for new designs.
Features
- Constant on-time controller for fast dynamic response on VDDQ
- DDR1/DDR2/DDR3 compatible
- VDDQ = fi xed 1.8V or 2.5V, or adjustable from 1.5V to 3.0V
- 1% internal reference (2% system accuracy)
- Resistor programmable on-time for VDDQ
- VCCA/VDDP range = 4.5V to 5.5V
- VIN range = 2.5V to 25V
- VDDQ DC current sense using low-side RDS(ON) Sensing or external RSENSE in series with low-side FET
- Cycle-by-cycle current limit for VDDQ
- Digital soft-start for VDDQ
- Analog soft-start for VTT/REF
- Smart over-voltage VDDQ protection against source-current loads
- Combined EN and PSAVE pin for VDDQ
- Over-voltage/under-voltage fault protection
- Power good output
- Separate VCCA and VDDP supplies
- VTT/REF range = 0.75V – 1.5V
- VTT source/sink 3A peak
- Internal resistor divider for VTT/REF
- VTT is high impedance in S3
- VDDQ, VTT, REF are actively discharged in S4/S5
- 24 lead MLPQ (4x4 mm) lead-free package
- Fully WEEE and RoHS Compliant
- Notebook computers
- CPU I/O supplies
- Handheld terminals and PDAs
- LCD monitors
- Network power supplies
アプリケーション
Packaging
- MLPQ-24
Order Codes
- SC480IMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC4806
Part Description
MULTIPLE FUNCTION DOUBLE ENDED PWM CONTROLLER
# of leads
12
Package Type
MLPQ
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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