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PDF FP6137C Data sheet ( Hoja de datos )
| Número de pieza | FP6137C | |
| Descripción | 2A Bus Termination Regulator | |
| Fabricantes | Fiti | |
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fitipower integrated technology lnc.
FP6137C
2A BUS
TERMINATION REGULATOR
Description
The FP6137C linear regulator is designed to provide
the transi ent peaks up to 2A sou rcing or sin king
capability for DDR SDRA M bus termination appli-
cation. T he output volt age ca n tra ck half of input
power by two external voltage divider resistors.
The FP61 37C provides current limiting in both sou-
rcing/sinking mode a nd th ermal shutdown fun ction
which prote cts the excessive heating due to high
current and high junction temperature.
The FP6137 C is availabl e in the SOP-8 (Expose d
Pad) package.
Features
● 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 FP6137C (Top View)
Ordering Information
FP6137C□□□
TR: Tape/Reel
Blank: Tube
P: Pb Free with Commercial
Standard (RoHS Compliant)
Package Type
SP: SOP-8 (Exposed Pad)
Typical Application Circuit
1.8V/2.5V
VIN
3.3V
VCNTL
C IN
470µ
EN
RU
100K
VIN VCNTL
FP6137C
REFEN
0.9V/1.25V
VOUT
VOUT
CCNTL
Q1
RD
100K
CSS
1µ
GND
CVOUT
470µ
47µ
FP6137C-1.2-JAN-2007
Figure 2. Typical Application Circuit of FP6137C
1
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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
FP6137C
Figure 10. Output Short-Circuit Protection
Switching Frequency=1KHz
VCNTL=3.3V
VREFEN=1.25V 2 A
Figure 11. Output Short-Circuit Protection
Switching Frequency=1KHz
VCNTL=3.3V
VREFEN=0.9V 2 A
Figure 12. 1.25VOUT @ 2A Transient Response
Figure 13. 0.9VOUT @ 2A Transient Response
FP6137C-1.2-JAN-2007
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet FP6137C.PDF ] | |
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