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FP6137D Datasheet Preview

FP6137D Datasheet

Termination Regulator

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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




Fiti

FP6137D Datasheet Preview

FP6137D Datasheet

Termination Regulator

No Preview Available !

fitipower integrated technology lnc.
FP6137D
Functional Pin Description
Pin Name
VIN
GND
VCNTL
REFEN
VOUT
Pin Function
Power input pin. VIN is the input power supply used to create the external reference voltage for regulating VOUT.
VIN sources current to VOUT by upper NMOS.
Common ground pin. The VOUT sinks current to GND by lower NMOS.
Power input pin. The VCNTL power supplies the internal control circuitry and gate drive voltage.
Chip enable, and input reference voltage pin. The reference voltage is half of the VIN power by two external
voltage divide resistors.
Regulator output pin. VOUT voltage tracks the REFEN voltage and is capable of sourcing or sinking current up to
peak 2A.
Block Diagram
VCNTL
VIN
REFEN
+
Error
Amp
-
Current Limit &
Thermal Shutdown
VOUT
GND
Figure 3. Block Diagram of FP6137D
Absolute Maximum Ratings
VIN to GND---------------------------------------------------------------------------------------------------- 6V
VCNTL to GND ----------------------------------------------------------------------------------------------- 6V
Power Dissipation ------------------------------------------------------------------------------------------- Internal Limited
Junction Temperature -------------------------------------------------------------------------------------- 150°C
Storage Temperature Range------------------------------------------------------------------------------ -65°C to150°C
Package Thermal Resistance
SOP-8 (Exposed Pad), θJC_--------------------------------------------------------------------- 10.4°C/W
SOP-8 (Exposed Pad), θJA--------------------------------------------------------------------- 80°C/W
Lead Temperature (Soldering, 10sec.) ----------------------------------------------------------------- 260°C
ESD Susceptibility
HBM(Human Body Mode) --------------------------------------------------------------------------------- 2KV
MM(Machine Mode) ---------------------------------------------------------------------------------------- 200V
NoteStresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device.
FP6137D -1.0 -OCT -2006
2


Part Number FP6137D
Description Termination Regulator
Maker Fiti
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FP6137D Datasheet PDF





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