Datasheet Details
- Part number
- SC480
- Manufacturer
- Semtech Corporation
- File Size
- 895.82 KB
- Datasheet
- SC480_SemtechCorporation.pdf
- Description
- Complete DDR1/2/3 Memory Power Supply
SC480 Description
POWER MANAGEMENT .
The SC480 is a combination switching regulator and linear source/sink regulator intended for DDR1/2/3 memory systems.
SC480 Features
* include cycle-by-cycle current limiting, digital soft-start, over-voltage and undervoltage protection and a power good flag. For the VTT regulator, the output voltage tracks REF, which is ½ VDDQ to provide an accurate termination voltage. The VTT output is generated from a 1.2V to VDDQ input by a lin
SC480 Applications
* ¡ ¡ ¡ ¡ ¡ Notebook Computers CPU I/O Supplies Handheld Terminals and PDAs LCD Monitors Network Power Supplies
C2 0.1uF Q1
20
Typical Application Circuit
5V D1 VDDQ
22 24 23 21
VBAT C3 2x10uF
19
VTT VBAT C4 10uF C5 10uF C1 1uF 1 R1 1Meg VTTSNS 2 3 4 C7 1nF R6 10R REF C9 1uF C10 1uF 5 6
VDDQ L1 Q
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