W83310S-R2 [WINBOND]
Bus Termination Regulator; 总线终端稳压器
| 型号： | W83310S-R2 |
| 厂家： | 
WINBOND |
| 描述： | Bus Termination Regulator |
| 文件： | 总13页 (文件大小：452K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Winbond
Bus Termination Regulator
W83310S-R2
W83310G-R2
W83310S-R2/W83310G-R2
W83310S-R2
Data Sheet Revision History
VERSION
PAGES
DATES VERSION
MAIN CONTENTS
ON WEB
1
2
3
4
N.A.
4
03/Mar.
03/Jul.
05/Jan.
06/Jan.
0.5
N.A.
All versions before 0.5 are for internal use only
Recommend circuit update
0.51
0.52
0.53
N.A.
N.A
N.A
All
Add Pb-free part no:W83310G-R2
Add description of supporting cont. 1.8 Amp
driving and sinking current.
1,2
Please note that all data and specifications are subject to change without notice. All the trademarks of
products and companies mentioned in this datasheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where
malfunction of these products can reasonably be expected to result in personal injury. Winbond
customers using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify Winbond for any damages resulting from such improper use or sales.
Publication Release Date: January 17, 2005
-I-
Revision 0.53
W83310S-R2/W83310G-R2
Table of Contents-
1.
2.
3.
4.
5.
6.
7.
GENERAL DESCRIPTION ......................................................................................................... 1
FEATURES................................................................................................................................. 1
APPLICATIONS.......................................................................................................................... 1
PIN CONFIGURATION AND DESCRIPTION ............................................................................ 2
APPLICATION CIRCUIT............................................................................................................. 3
INTERNAL BLOCK DIAGRAM ................................................................................................... 4
ELECTRICAL CHARACTERISTICS........................................................................................... 5
7.1
AC CHARACTERISTICS................................................................................................ 5
8.
TYPICAL OPERATING WAVEFORM......................................................................................... 6
PACKAGE DIMENSION ............................................................................................................. 8
ORDERING INFORMATION ...................................................................................................... 9
HOW TO READ THE TOP MARKING........................................................................................ 9
9.
10.
11.
-II-
W83310S-R2/W83310G-R2
1. GENERAL DESCRIPTION
The W83310S-R2 is a linear regulator which provides achieves peak 2.0 Amp/cont. 1.8 Amp bi-
directional sinking and driving capability for DDR SDRAM bus terminator application. The chip simply
implement a stable power supply which can track half of input power dynamically for bus terminator
with a single chip; that is the chip integrates two power MOSFETs. There is no any external power
device needed. The W83310S-R2 is promoted with small footprint 8-SOP 150mil package. With
W83301S-R2 design, a high integration, high performance, and cost-effective solution is promoted.
2. FEATURES
y
y
y
y
y
y
y
y
Regulates a bi-directional power with driving and sinking capability
Provides achieve peak 2.0 Amp/cont. 1.8 Amp driving and sinking current
Power MOSFET integrated
Low external component count
Low output voltage offset
Operates with +3.3V and +2.5V control power
Small package
Low cost and easy to use
3. APPLICATIONS
y
y
y
y
DDR Bus Termination Regulator
Active Termination Bus
SSTL-2
SSTL-3
Publication Release Date: January 17, 2005
Revision 0.53
-1-
W83310S-R2/W83310G-R2
4. PIN CONFIGURATION AND DESCRIPTION
- W83310S-R2
8
VIN
GND
1
2
3
4
VCNTL
VCNTL
VCNTL
VCNTL
7
6
5
inbond
VREF
VOUT
W83310S-R2
SYMBOL
VIN
PIN
FUNCTION
1
2
3
4
5
6
7
8
Power input pin.
Ground.
GND
VREF
Reference voltage and Chip enable.
Output voltage.
VOUT
VCNTL
VCNTL
VCNTL
VCNTL
Gate drive voltage.
Gate drive voltage.
Gate drive voltage.
Gate drive voltage.
-2-
W83310S-R2/W83310G-R2
5. APPLICATION CIRCUIT
2.5V
3.3V
U1
VIN
VCNTL
C1
1000u
R1
GND VCNT
3.3V
10KΩ
VREF
VCNT
3
2
Q
C2
1u
R2
1
VCNT
VOUT
Enabl
C5
1u
2N70
C3
1u
C4
1500u
10KΩ
W83310S-
Publication Release Date: January 17, 2005
Revision 0.53
-3-
W83310S-R2/W83310G-R2
6. INTERNAL BLOCK DIAGRAM
- W83310S-R2
VCNTL
VIN
Control
Logic
VREF
VOUT
GND
-4-
W83310S-R2/W83310G-R2
7. ELECTRICAL CHARACTERISTICS
7.1 AC CHARACTERISTICS
W83310S-R2
VIN=2.5V,VCNTL=3.3V,VREF=1.25V,Cout=100uF, TA = 0°C to +70°C
TEST
CONDITIONS
PARAMETER
SYMBOL
VOS
MIN
TYP
MAX
UNITS
-5
0
+5
mV
IOUT=0A
Loading: 0AÆ2.0A
Output Offset Voltage
1.0
%
Load Regulation
Loading:
2.0A
0AÆ-
1.0
2.5
3.3
3.63
3.63
VIN
V
Input Voltage Range
VCNTL
Operating Current of
VCNTL
ICNTL
0.5
1.0
mA
No Load(IOUT=0A)
0.8
V
V
Output=High
Output=Low
VREF<0.2V
Loading=0.7A
Shutdown Threshold
Trigger
0.2
10
uA
A
Shutdown Current
Short Current Limit
ISHDN
ILMT
4.0
Note: Load regulation is tested with a 1ms duty pulse current and measuring VOUT
.
Publication Release Date: January 17, 2005
Revision 0.53
-5-
W83310S-R2/W83310G-R2
8. TYPICAL OPERATING WAVEFORM
Load regulation with test condition - VCTRL=3.3V; VIN=2.5V; VOUT=1.25V; 2.0Amp 1ms duty pulse
driving current. ΔV ≈ 9mV.
Load regulation with test condition - VCTRL=3.3V; VIN=2.5V; VOUT=1.25V; 2.0Amp 1ms duty pulse
sinking current. ΔV ≈ 4mV.
-6-
W83310S-R2/W83310G-R2
Load regulation with test condition - VCTRL=3.3V; VIN=2.5V; VOUT=1.25V; 1.8Amp cont. driving current.
ΔV ≈ 32mV @ ~85℃.
Load regulation with test condition - VCTRL=3.3V; VIN=2.5V; VOUT=1.25V; 1.8Amp cont. sinking current.
ΔV ≈ 2mV @ ~85℃.
Publication Release Date: January 17, 2005
-7-
Revision 0.53
W83310S-R2/W83310G-R2
9. PACKAGE DIMENSION
8L SOP 150mil
8
c
5
E
H
E
L
1
4
O
0.25
D
A
Y
e
SEATING PLANE
b
GAUGE PLANE
A1
Control demensions are in milmeters .
DIMENSION IN MM
DIMENSION IN INCH
SYMBOL
MIN.
1.35
MAX.
MIN.
MAX.
0.053
0.069
A
A1
b
1.75
0.10
0.33
0.19
0.010
0.020
0.004
0.013
0.25
0.51
c
0.25
0.008
0.150
0.010
0.157
3.80
4.80
E
D
4.00
5.00
0.188
0.196
e
0.050 BSC
1.27 BSC
6.20
0.10
1.27
10
H
5.80
0.228
0.244
0.004
E
Y
0.40
0
0.016
0
0.050
10
L
θ
-8-
W83310S-R2/W83310G-R2
10. ORDERING INFORMATION
PART NUMBER
PACKAGE TYPE
8 PIN SOP
8 PIN SOP(Pb-free package)
PRODUCTION FLOW
Commercial, 0°C to +70°C
Commercial, 0°C to +70°C
W83310S-R2
W83310G-R2
11. HOW TO READ THE TOP MARKING
W83
W83
310G-R2
249OB
310S-R2
249OB
Left line: Winbond logo
1st & 2nd line: W83310S-R2 – the part number , W83310G-R2-the Pb-free part number
3rd line: Tracking code Tracking code 249 O A
249: packages assembled in Year 02’, week 49
O: assembly house ID; O means OSE, G means GR, etc.
B: the IC version
Publication Release Date: January 17, 2005
Revision 0.53
-9-
W83310S-R2/W83310G-R2
Important Notice
Winbond products are not designed, intended, authorized or warranted for use as components
in systems or equipment intended for surgical implantation, atomic energy control
instruments, airplane or spaceship instruments, transportation instruments, traffic signal
instruments, combustion control instruments, or for other applications intended to support or
sustain life. Further more, Winbond products are not intended for applications wherein failure
of Winbond products could result or lead to a situation wherein personal injury, death or
severe property or environmental damage could occur.
Winbond customers using or selling these products for use in such applications do so at their
own risk and agree to fully indemnify Winbond for any damages resulting from such improper
use or sales.
-10-
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