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PDF FP6137D Data sheet ( Hoja de datos )
| Número de pieza | FP6137D | |
| Descripción | Termination Regulator | |
| Fabricantes | Fiti | |
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fitipower integrated technology lnc.
FP6137D
Peak 2A Bus
Termination Regulator
Description
The FP6137D linear regulator is designed to provide
the transient peaks up to 2A sourcing or sinking
capability for DDR SDRAM bus termination appli-
cation. The output voltage can track half of input
power by two external voltage divider resistors.
The FP6137D provides current limiting in both sou-
rcing/sinking mode and thermal shutdown function
which protects the excessive heating due to high
current and high junction temperature.
The FP6137D is available in the SOP-8 (Exposed
Pad) package.
Features
● Peak 2A Source or Sink Current
● Power MOSFET Integrated
● Low Output Voltage Offset
● Current Limiting Protection
● Thermal Shutdown Protection
● Adjusted Output by External Resistors
● Shutdown for Standby or Suspend Mode
● RoHS Compliant
Applications
● DDR-I and DDR-II Bus Termination Voltage
● SSTL-2 and SSTL-3 Termination
● Active Termination Buses
Pin Assignments
SP Package (SOP-8<Exposed Pad>)
VIN
GND
REFEN
VOUT
18
27
3 GND 6
45
NC
NC
VCNTL
NC
Figure 1. Pin Assignment of FP6137D (Top View)
Ordering Information
FP6137D□□□
TR: Tape/Reel
Blank: Tube
P: Pb Free with Commercial
Standard (RoHS Compliant)
Package Type
SP: SOP-8 (Exposed Pad)
Typical Application Circuit
FP6137D -1.0 -OCT -2006
Figure 2. Typical Application Circuit of FP6137D
1
1 page  
fitipower integrated technology lnc.
Typical Performance Curves (Continued)
Source
VCNTL=3.3V
VIN=2.5V VREFEN=1.25V
Sink
VCNTL=3.3V
VIN=2.5V VREFEN=1.25V
FP6137D
Figure 10. Output Short-Circuit Protection
Switching Frequency=1KHz
VCNTL=3.3V
VREFEN=1.25V 2A
Figure 11. Output Short-Circuit Protection
Switching Frequency=1KHz
VCNTL=3.3V
VREFEN=0.9V 2A
Figure 12. 1.25VOUT @ 2A Transient Response
Figure 13. 0.9VOUT @ 2A Transient Response
FP6137D -1.0 -OCT -2006
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet FP6137D.PDF ] | |
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