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MIC5166 데이터시트 PDF




Micrel Semiconductor에서 제조한 전자 부품 MIC5166은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 MIC5166 자료 제공

부품번호 MIC5166 기능
기능 3A High-Speed Low V DDR Terminator
제조업체 Micrel Semiconductor
로고 Micrel Semiconductor 로고


MIC5166 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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MIC5166 데이터시트, 핀배열, 회로
MIC5166
3A High-Speed Low VIN DDR Terminator
General Description
The MIC5166 is a 3A, high-speed, linear, low VIN, double
data rate (DDR), memory terminator power supply. The
part is small and requires small output capacitors making it
a tiny overall solution. This allows it to be conveniently
placed close to the DDR memory, minimizing circuit board
layout inductance which may cause excessive voltage
ripple at the DDR memory.
The MIC5166 contains a precision voltage divider network
in order to take in the VDDQ voltage as a reference voltage
and conveniently output the terminator voltage (VTT) at one
half of the VDDQ input voltage.
The MIC5166 is capable of sinking and sourcing up to 3A.
It is stable with only two 10µF ceramic output capacitors.
The part is available in a small 3mm × 3mm MLF®
thermally-enhanced package.
The MIC5166 has a high-side NMOS output stage offering
very-low output impedance, and very-high bandwidth. The
NMOS output stage offers a unique ability to respond very
quickly to sudden load changes such as is required for
DDR memory termination power supply applications.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Operating voltage range:
VDDQ Supply: 0.9V to 3.6V
Bias Supply: 2.5V to 5.5V
High bandwidth – very fast transient response
Stable with two 10µF ceramic output capacitors
Two 10µF output capacitors used in most applications
High output voltage accuracy:
0.015% line regulation
1.5% load regulation
Logic level enable input
Power Good (PG)
Thermally-enhanced 3mm × 3mm MLF®
Junction temperature range –40°C to +125°C
Applications
Desktop computers
Notebook computers
Datacom systems
Servers
Video cards
_________________________________________________________________________________________________________________________
Typical Application
Ramp Control is a trademark of Micrel, Inc
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
June 2012
M9999-060612-A




MIC5166 pdf, 반도체, 판매, 대치품
Micrel, Inc.
MIC5166
Electrical Characteristics(6) (Continued)
VIN = 1.5V, VBIAS = 3.3V, VDDQ = 1.5V, TA = 25°C, unless noted. Bold values indicate –40°C TJ +125°C.
Parameter
Condition
Min. Typ.
VREF Output
VREF Voltage Accuracy
Bias Supply Dropout Voltage
Variation from (VDDQ/2), IREF = -10mA to 10mA
1
Dropout Voltage (VBIAS – VTT)
Dropout Voltage (VBIAS – VTT)
Dropout Voltage (VBIAS – VTT)
Enable Control
IOUT = 100mA
IOUT = 500mA
IOUT = 3.0A
1.15
1.25
1.65
EN Logic High Level
Logic High
1.2
EN Logic Low Level
Logic Low
EN Current
Start-Up Time
Short-Current Protection
VEN = 0.2V
VEN = 1.2V
From EN pin going high to VTT 90% of VREF
1.0
6.0
55
Sourcing Current Limit
VIN = 2.7V, VTT = 0V
3.1 4.9
Sinking Current Limit
Internal FETs
VIN = 2.7V, VTT = VIN
3.1 4.9
Top-MOSFET RDS(ON)
Bottom-MOSFET RDS(ON)
Power Good (PG)
Source, IOUT = 3A (VTT to PGND)
Sink, IOUT = -3A (VIN to VTT)
130
130
PG Window
Hysteresis
Threshold % of VTT from VREF
90
2
PG Output Low Voltage
PG Leakage Current
Thermal Protection
IPG = 4mA (sinking)
VPG = 5.5V, VSNS = VREF
430
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
TJ Rising
150
10
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kin series with 100pF.
3. The device is not guaranteed to function outside its operating rating.
4. If VBIAS 3.6V, then VIN(MAX) = VBIAS.
5. If VBIAS 4V, then VDDQ(MAX) = 2 × (VBIAS 2.2V). If VBIAS > 4V, then VDDQ(MAX) = 3.6V.
6. Specification for packaged product only.
Max.
1
2.2
0.2
7.8
7.8
190
190
110
1.0
Units
%
V
V
V
V
V
µA
µs
A
A
m
m
%
%
mV
μA
°C
°C
June 2012
4 M9999-060612-A

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MIC5166 전자부품, 판매, 대치품
Micrel, Inc.
Typical Characteristics (Continued)
VIN Shutdown Current
vs. Temperature
0.5
VIN = 1.5V
0.4
VBIAS =5V
VDDQ = 1.2V
VEN = 0V
0.3
0.2
0.1
0.0
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
VIN UVLO Threshold
vs. Temperature
1.0
0.9
RISING
VVBIBAISAS==5.50.V0V
VVDDDQDQ= 1=.21V.2V
VIOVITOUTTTU=TT===00.A006AV.6V
VEN = VBIAS
0.8
0.7
FALLING
0.6
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
MIC5166
1.0000
Enable Threshold
vs. Temperature
0.9000
0.8000
RISING
0.7000
0.6000
VIN = 1.5V
VBIAS = 5V
VDDQ = 1.2V
VTT = 0.6V
FALLING
0.5000
-50
-25 0 25 50 75 100
TEMPERATURE (°C)
125
Sourcing Load Regulation
vs. Temperature
1.0%
0.5%
0.0%
-0.5%
-1.0%
-1.5%
-2.0%
-50
VIN = 1.5V
VBIAS = 5V
VDDQ = 1.2V
VTT = 0.6V
IOUT = 0A to 3A
VEN = VBIAS
-25 0 25 50 75 100 125
TEMPERATURE (°C)
1.0%
0.5%
0.0%
-0.5%
Sinking Load Regulation
vs. Temperature
VIN = 1.5V
VBIAS = 5.5V
VDDQ = 1.2V
VTT = 0.6V
IOUT = 0A to -3A
VEN = VBIAS
-1.0%
-1.5%
-2.0%
-50
-25 0 25 50 75 100 125
TEMPERATURE (°C)
VREF/VDDQ Tracking Ratio
vs. Temperature
0.601
0.600
0.599
0.598
VIN = 1.5V
VBIAS = 5V
VDDQ = 1.2V
VTT = 0.6V
IOUT = 0A
VEN = VBIAS
0.597
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
0.6010
Output Voltage
vs. Temperature
0.6000
0.5990
0.5980
VIN = 1.5V
VBIAS = 5V
VDDQ = 1.2V
VTT = 0.6V
IOUT = 0A
VEN = VBIAS
0.5970
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
Current Limit
vs. Temperature
5.5
VIN = 1.5V
VBIAS = 5V
5.3 VDDQ = 1.2V
SOURCING
VTT = 0.6V
VEN = VBIAS
5.0
SINKING
4.8
4.5
-50
-25 0 25 50 75 100
TEMPERATURE (°C)
125
Enable Pin Current
vs. Temperature
VIN = 1.5V
2 VBIAS = 5V
VDDQ = 1.2V
VEN = VIN
1
0
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
June 2012
7 M9999-060612-A

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