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PDF W83312SN Data sheet ( Hoja de datos )
| Número de pieza | W83312SN | |
| Descripción | Bus Termination Regulator | |
| Fabricantes | nuvoton | |
| Logotipo |  |
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Nuvoton
Bus Termination Regulator
W83312SN
1 page  
W83312SN
1. GENERAL DESCRIPTION
The W83312SN is a linear regulator which provides a power achieves peak 3.0Amp bi-
directional sinking and sourcing capability for a high speed bus terminator application. The
chip simply implements a stable power supply which tracks half of input power
dynamically for bus terminator with a single chip. The W83312SN is promoted with small
footprint 8-SOP 150mil power package. With W83312SN design, a high integration, high
performance, and cost-effective solution are promoted.
2. FEATURES
2.1. General
z Memory Termination Regulator for DDR1, DDR2, DDR3 and Low Power DDR3
z Sink and Source 3A Peak Current
z Integrated Power MOSFET
z Adjustable VOUT by External Resistors
z Low External Component Count
z Low Output Voltage Offset
z Current Limit Protection
z Over Temperature Protection
z -40°C to 85°C Ambient Operating Temperature Range
2.2. Package
z SOP-8 150mil with Exposed Pad Package
z Lead Free (ROHS Compliant) and Halogen Free
2.3. Applications
z Desktop PCs, Notebooks, and Workstations
z Graphics Card Memory Termination
z Set Top Boxes, Digital TVs and Printers
z Active Termination Buses
z DDR1, DDR2 and DDR3 Memory Systems
Publication Date: Mar., 2010
-1- Revision A5
5 Page 
W83312SN
75
130
219
Unit: mil
(Not to scale)
95
Ground
VCNTL
C CNTL
Ground
C IN
C OUT
For heat
dissipatin
50 24
Fig. 6-4
7. ELECTRICAL CHARACTERISTIC
7.1 Absolute Maximum Ratings (Note1)
ITEM
Input Voltage
Control Logic Input Voltage
Reference Voltage
Electrostatic discharge protection (Note2)
Storage Temperature Range
VIN VOUT
Fig. 6-5
SYMBOL
VIN
VCNTL
VREF
Human Body Mode
Machine Mode
Latch-Up
RATING
-0.3 to 7
-0.3 to 7
-0.3 to 5
±2
±200
±100
-65 to 150
UNIT
V
V
V
kV
V
mA
°C
7.2 Thermal Information
ITEM
Power Dissipation, PD @ TA=25°C
Package Thermal Resistance, ESOP8, θJA
RATING
Internal Limited
75
UNIT
W
°C/W
7.3 Recommended Operating Conditions
ITEM
Input Voltage
Continuous Output Current
Peak Output Current
SYMBOL
VIN
VCNTL
VREF
Sourcing
Sinking
Sourcing
Sinking
MIN
1.2
3
0.6
0
0
0
0
MAX
5.5
5.5
3.3
2.5
2.5
3.0
3.0
UNIT
V
V
A
A
Publication Date: Mar., 2010
-7- Revision A5
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet W83312SN.PDF ] | |
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