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PDF CM3202-00 Data sheet ( Hoja de datos )
| Número de pieza | CM3202-00 | |
| Descripción | DDR VDDQ and VTT Termination Voltage Regulator | |
| Fabricantes | ON Semiconductor | |
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CM3202-00
DDR VDDQ and VTT
Termination Voltage
Regulator
Product Description
The CM3202−00 is a dual−output low noise linear regulator
designed to meet SSTL−2 and SSTL−3 specifications for
DDR−SDRAM VDDQ supply and termination voltage VTT supply.
With integrated power MOSFET’s, the CM3202−00 can source up to
2 A of VDDQ continuous current, and source or sink up to 2 A VTT
continuous current. The typical dropout voltage for VDDQ is 500 mV
at 2 A load current.
The CM3202−00 provides fast response to transient load changes.
Load regulation is excellent, from no load to full load. It also has
built−in over−current limits and thermal shutdown at 170°C.
The CM3202−00 supports Suspend−To−RAM (STR) and ACPI
compliance with shutdown mode which tri−states VTT to minimize
quiescent system current.
The CM3202−00 is packaged in an easy−to−use WDFN8. Low
thermal resistance allows it to withstand high power dissipation at
85°C ambient. It operates over the industrial ambient temperature
range of –40°C to 85°C.
http://onsemi.com
1
WDFN8
DE SUFFIX
CASE 511BH
MARKING DIAGRAM
CM320
200DE
CM320 200DE = CM3202−00DE
Features
• Two Linear Regulators
♦ Maximum 2 A Current from VDDQ
♦ Source and Sink Up to 2 A VTT Current
• 1.7 V to 2.8 V Adjustable VDDQ Output Voltage
• 500 mV Typical VDDQ Dropout Voltage at 2 A
• VTT Tracking at 50% of VDDQ
• Excellent Load and Line Regulation, Low Noise
• Fast Transient Response
• Meet JEDEC DDR−I and DDR−II Memory Power Spec.
• Linear Regulator Design Requires No Inductors and Has Low
External Component Count
• Integrated Power MOSFETs
• Dual Purpose ADJ/Shutdown Pin
• Built−In Over−Current Limit and Thermal Shutdown for VDDQ
and VTT
• Fast Transient Response
• Low Quiescent Current
• These Devices are Pb−Free and are RoHS Compliant
ORDERING INFORMATION
Device
CM3202−00DE
Package
WDFN8
(Pb−Free)
Shipping†
3000/Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Applications
• DDR Memory and Active Termination Buses
• Desktop Computers, Servers
• Residential and Enterprise Gateways
• DSL Modems
• Routers and Switchers
• DVD Recorders
• 3D AGP Cards
• LCD TV and STB
© Semiconductor Components Industries, LLC, 2011
April, 2011 − Rev. 3
1
Publication Order Number:
CM3202−00/D
1 page  
CM3202−00
SPECIFICATIONS (Cont’d)
Table 4. ELECTRICAL OPERATING CHARACTERISTICS (Note 1)
Symbol
Parameter
Conditions
Min Typ Max Units
General
IQ
ISHDN
SHDN_H
Quiescent Current
Shutdown Current
ADJSD Logic High
IDDQ = 0, ITT = 0
VADJSD = 3.3 V (Shutdown)
(Note 2)
8 15
0.1 0.5
2.7
mA
mA
V
SHDN_L ADJSD Logic Low
1.50 V
UVLO Under−Voltage Lockout
Hysteresis = 100 mV
2.40 2.70 2.90
V
TOVER Thermal SHDN Threshold
THYS
Thermal SHDN Hysteresis
TEMPCO VDDQ, VTT TEMPCO
VDDQ Regulator
150 170
50
150
°C
°C
ppm/°C
VDDQ DEF VDDQ Output Voltage
VDDQ LOAD VDDQ Load Regulation
VDDQ LINE VDDQ Line Regulation
VDROP VDDQ Dropout Voltage
IADJ ADJSD Bias Current
IDDQ LIM VDDQ Current Limit
VTT Regulator
IDDQ = 100 mA
10 mA ≤ IDDQ ≤ 2 A (Note 3)
3.1 V ≤ VIN ≤ 3.6 V, IDDQ = 0.1 A
IDDQ = 2 A (Note 4)
2.450
2.0
2.500
10
5
500
0.8
2.5
2.550
25
25
3.0
V
mV
mV
mV
mA
A
VTT DEF
VTT LOAD
VTT Output Voltage
VTT Load Regulation
ITT = 100 mA
Source, 0 ≤ ITT ≤ 2 A (Note 3)
Sink, −2 A ≤ ITT ≤ 0 (Note 3)
1.225
–30
1.250
10
–10
1.275
30
V
mV
VTT LINE VTT Line Regulation
3.1 V ≤ VIN ≤ 3.6 V, ITT = 0.1 A
5 15 mV
ITT LIM ITT Current Limit
Source / Sink (Note 3)
±2.0 ±2.5
A
IVTT OFF VTT Shutdown Leakage Current
Thermal Shutdown Enabled
10 mA
1. VIN = 3.3 V, VDDQ = 2.50 V, VTT = 1.25 V (default values), CDDQ = CTT = 47 mF, TA = 25°C unless otherwise specified.
2. he SHDN Logic High value is normally satisfied for full input voltage range by using a low leakage current (bellow 1 mA). Schottky diode at
ADJSD control pin.
3. Load and line regulation are measured at constant junction temperature by using pulse testing with a low duty cycle. Changes in output
voltage due to heating effects must be taken into account separately. Load and line regulation values are guaranteed up to the maximum
power dissipation.
4. Dropout voltage is input to output voltage differential at which output voltage has dropped 100 mV from the nominal value obtained at 3.3 V
input. It depends on load current and junction temperature.
http://onsemi.com
5
5 Page 
CM3202−00
PACKAGE DIMENSIONS
WDFN8, 3x3, 0.65P
CASE 511BH−01
ISSUE O
D
PIN ONE
REFERENCE
ÇÇÇÇÇÇÇÇÇ2X 0.10 C
2X
0.10 C
TOP VIEW
0.10 C
DETAIL B
0.08 C
NOTE 4
DETAIL A
A1
SIDE VIEW
D2
14
AB
L
L
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
L1
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED
TERMINAL AND IS MEASURED BETWEEN
E
DETAIL A
ALTERNATE
0.15 AND 0.30 MM FROM TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
CONSTRUCTIONS
MILLIMETERS
DIM MIN MAX
EXPOSED Cu
MOLD CMPD
ÇÉÇÉÇÉ ÉÇÇÉÇÇA A1
A3
A3 DETAIL B
ALTERNATE
CONSTRUCTIONS
A 0.70 0.80
A1 0.00 0.05
A3 0.20 REF
b 0.25 0.35
D 3.00 BSC
D2 2.20 2.40
E 3.00 BSC
E2 1.40 1.60
e 0.65 BSC
K 0.45 REF
L 0.20 0.40
L1 −−− 0.15
C
SEATING
PLANE
8X L
RECOMMENDED
SOLDERING FOOTPRINT*
PACKAGE
OUTLINE
2.46
8X
0.53
E2
85
e
BOTTOM VIEW
8X b
0.10
0.05
CAB
C NOTE 3
1.66 3.30
1
0.65
PITCH
8X
0.40
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
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associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
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PUBLICATION ORDERING INFORMATION
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Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81−3−5773−3850
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11
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
CM3202−00/D
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet CM3202-00.PDF ] | |
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