Voltage Regulator. CM3202-00 Datasheet

CM3202-00 Regulator. Datasheet pdf. Equivalent


Part CM3202-00
Description DDR VDDQ and VTT Termination Voltage Regulator
Feature CM3202-00 DDR VDDQ and VTT Termination Voltage Regulator Product Description The CM3202−00 is a du.
Manufacture ON Semiconductor
Datasheet
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CM3202-00 DDR VDDQ and VTT Termination Voltage Regulator P CM3202-00 Datasheet
Recommendation Recommendation Datasheet CM3202-00 Datasheet




CM3202-00
CM3202-00
DDR VDDQ and VTT
Termination Voltage
Regulator
Product Description
The CM320200 is a dualoutput low noise linear regulator
designed to meet SSTL2 and SSTL3 specifications for
DDRSDRAM VDDQ supply and termination voltage VTT supply.
With integrated power MOSFET’s, the CM320200 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 CM320200 provides fast response to transient load changes.
Load regulation is excellent, from no load to full load. It also has
builtin overcurrent limits and thermal shutdown at 170°C.
The CM320200 supports SuspendToRAM (STR) and ACPI
compliance with shutdown mode which tristates VTT to minimize
quiescent system current.
The CM320200 is packaged in an easytouse 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.
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1
WDFN8
DE SUFFIX
CASE 511BH
MARKING DIAGRAM
CM320
200DE
CM320 200DE = CM320200DE
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 DDRI and DDRII Memory Power Spec.
Linear Regulator Design Requires No Inductors and Has Low
External Component Count
Integrated Power MOSFETs
Dual Purpose ADJ/Shutdown Pin
BuiltIn OverCurrent Limit and Thermal Shutdown for VDDQ
and VTT
Fast Transient Response
Low Quiescent Current
These Devices are PbFree and are RoHS Compliant
ORDERING INFORMATION
Device
CM320200DE
Package
WDFN8
(PbFree)
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:
CM320200/D



CM3202-00
CM320200
TYPICAL APPLICATION
VIN = 3.3 V to 3.6 V
CIN
220 mF/
10 V
4.7 mF/10 V
cer
VTT = 1.25 V/2 A
220 mF/
10 V
CTT
4.7 mF/
10 V
cer
1 VIN
VDDQ 8
2 NC
ADJSD 7
CM3202
3 VTT
GND 6
4 NC
GND 5
VTT
VDDQ = 2.5 V/2 A
CDDQ 4.7 mF/10 V, cer
220 mF/
10 V
Chip
Set
R1
10 kW
R2
S/D 10 kW
1.25 V, 2.5 A
1 kW
VDDQ
DL0
RT0
DLn
RTn
VREF
VDDQ
DDR
REF MEMORY
0.1 mF/10 V
cer
FUNCTIONAL BLOCK DIAGRAM
VIN ADJSD
VDDQ
UVLO &
Bandgap
OTP &
Shutdown
1.22 V
+
-
+
-
0.49*
VDDQ
+
-
CM3202
0.51*
VDDQ
+
-
Current
Limit
Current
Limit
Current
Limit
VTT
GND
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