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CS51313 데이터시트 PDF




ON Semiconductor에서 제조한 전자 부품 CS51313은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 CS51313 기능
기능 Synchronous CPU Buck Controller Capable of Implementing Multiple Linear Regulators
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CS51313 데이터시트, 핀배열, 회로
www.DataSheet4U.com
CS51313
Synchronous CPU
Buck Controller Capable
of Implementing Multiple
Linear Regulators
The CS51313 is a synchronous dual NFET Buck Regulator
Controller. It is designed to power the core logic of the latest high
performance CPUs. It uses the V2control method to achieve the
fastest possible transient response and best overall regulation. It
incorporates many additional features required to ensure the proper
operation and protection of the CPU and Power system. The CS51313
provides the industry’s most highly integrated solution, minimizing
external component count, total solution size, and cost.
The CS51313 is specifically designed to power Intel’s Pentium® II
processor and includes the following features: 5bit DAC with 1.2%
tolerance, Power Good output, overcurrent hiccup mode protection,
overvoltage protection, VCC monitor, Soft Start, adaptive voltage
positioning and adaptive FET nonoverlap time. A precision reference
trimmed to 1.0% is also externally available for use by other
regulators. The CS51313 will operate over an 8.4 V to 14 V range and
is available in 16 lead narrow body surface mount package.
Features
Synchronous Switching Regulator Controller for CPU VCORE
Dual NChannel MOSFET Synchronous Buck Design
V2 Control Topology
200 ns Transient Loop Response
5Bit DAC with 1.2% Tolerance
Hiccup Mode Overcurrent Protection
40 ns Gate Rise and Fall Times (3.3 nF Load)
65 ns Adaptive FET NonOverlap Time
Adaptive Voltage Positioning
Power Good Output Monitors Regulator Output
VCC Monitor Provides Undervoltage Lockout
OVP Output Monitors Regulator Output
Enable Through Use of the COMP Pin
+1.23 V Reference Voltage Available Externally
http://onsemi.com
16
1
SO16
D SUFFIX
CASE 751B
MARKING DIAGRAM
16
CS51313
AWLYWW
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
PIN CONNECTIONS
1
VID0
VID1
VID2
VID3
VREF
VID4
VFB
VOUT
16 COMP
COFF
PWRGD
OVP
GATE(L)
GND
GATE(H)
VCC
ORDERING INFORMATION
Device
Package
Shipping
CS51313GD16
SO16
48 Units/Rail
CS51313GDR16
SO16 2500 Tape & Reel
© Semiconductor Components Industries, LLC, 2006
July, 2006 Rev. 8
1
Publication Order Number:
CS51313/D




CS51313 pdf, 반도체, 판매, 대치품
CS51313
ELECTRICAL CHARACTERISTICS (0°C < TA < 70°C; 0°C < TJ < 125°C; 9.0 V < VCC < 14 V;
2.0 V DAC Code (VID4 = VID3 = VID2 = VID1 = 0, VID0 = 1.0) CGATE(H) = CGATE(L) = 3.3 nF, COFF = 390 pF; unless otherwise specified.)
Characteristic
Test Conditions
Voltage Identification DAC
VID4
1
VID3
0
VID2
0
VID1
0
VID0
0
Min
3.483
Measure VFB = VCOMP, VCC = 12 V. Note 3
755C 3 TJ 3 1255C
255C 3 TJ 3 755C
Typ Max
±Tol
Min
Typ Max
3.525 3.567 1.2% 3.455 3.525 3.596
±Tol
2.0%
Unit
V
1 0 0 0 1 3.384 3.425 3.466 1.2% 3.357 3.425 3.494 2.0% V
1 0 0 1 0 3.285 3.325 3.365 1.2% 3.259 3.325 3.392 2.0% V
1 0 0 1 1 3.186 3.225 3.264 1.2% 3.161 3.225 3.290 2.0% V
1 0 1 0 0 3.087 3.125 3.163 1.2% 3.063 3.125 3.188 2.0% V
1 0 1 0 1 2.989 3.025 3.061 1.2% 2.965 3.025 3.086 2.0% V
1 0 1 1 0 2.890 2.925 2.960 1.2% 2.875 2.925 2.975 1.7% V
1 0 1 1 1 2.791 2.825 2.859 1.2% 2.777 2.825 2.873 1.7% V
1 1 0 0 0 2.692 2.725 2.758 1.2% 2.679 2.725 2.771 1.7% V
1 1 0 0 1 2.594 2.625 2.657 1.2% 2.580 2.625 2.670 1.7% V
1 1 0 1 0 2.495 2.525 2.555 1.2% 2.482 2.525 2.568 1.7% V
1 1 0 1 1 2.396 2.425 2.454 1.2% 2.389 2.425 2.461 1.5% V
1 1 1 0 0 2.297 2.325 2.353 1.2% 2.290 2.325 2.360 1.5% V
1 1 1 0 1 2.198 2.225 2.252 1.2% 2.192 2.225 2.258 1.5% V
1 1 1 1 0 2.099 2.125 2.151 1.2% 2.093 2.125 2.157 1.5% V
0 0 0 0 0 2.050 2.075 2.100 1.2% 2.044 2.075 2.106 1.5% V
0 0 0 0 1 2.001 2.025 2.049 1.2% 1.995 2.025 2.055 1.5% V
0 0 0 1 0 1.953 1.975 1.997 1.1% 1.945 1.975 2.005 1.5% V
0 0 0 1 1 1.904 1.925 1.946 1.1% 1.896 1.925 1.954 1.5% V
0 0 1 0 0 1.854 1.875 1.896 1.1% 1.847 1.875 1.903 1.5% V
0 0 1 0 1 1.805 1.825 1.845 1.1% 1.798 1.825 1.852 1.5% V
0 0 1 1 0 1.755 1.775 1.795 1.1% 1.748 1.775 1.802 1.5% V
0 0 1 1 1 1.706 1.725 1.744 1.1% 1.699 1.725 1.751 1.5% V
0 1 0 0 0 1.656 1.675 1.694 1.1% 1.650 1.675 1.700 1.5% V
0 1 0 0 1 1.607 1.625 1.643 1.1% 1.601 1.625 1.649 1.5% V
0 1 0 1 0 1.558 1.575 1.593 1.1% 1.551 1.575 1.599 1.5% V
0 1 0 1 1 1.508 1.525 1.542 1.1% 1.502 1.525 1.548 1.5% V
0 1 1 0 0 1.459 1.475 1.491 1.1% 1.453 1.475 1.497 1.5% V
0 1 1 0 1 1.409 1.425 1.441 1.1% 1.404 1.425 1.446 1.5% V
0 1 1 1 0 1.360 1.375 1.390 1.1% 1.354 1.375 1.396 1.5% V
0 1 1 1 1 1.310 1.325 1.340 1.1% 1.305 1.325 1.345 1.5% V
1 1 1 1 1 1.225 1.250 1.275 2.0% 1.225 1.250 1.275 2.0% V
3. The IC power dissipation in a typical application with VCC = 12 V, switching frequency fSW = 250 kHz, 50 nc MOSFETs and RθJA = 115°C/W
yields an operating junction temperature rise of approximately 52°C, and a junction temperature of 77°C with an ambient temperature
of 25°C.
http://onsemi.com
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CS51313 전자부품, 판매, 대치품
VOUT
VREF
CS51313
VFB
1.1 V
+
EA
+
86 mV
+
Current Limit
+
Bandgap
Reference
COMP
COFF
PWM COMP
+
Discharge
COMP
+
R
+
0.25 V
Q
Fault
Latch
Off
Time
S
VID0
VID1
VID2
VID3
VID4
DAC
UVLO
VCC
GATE(H)
+
Nonoverlap
Logic
+
VCC
OVP
PWRGD
Figure 2. Block Diagram
GND
GATE(L)
http://onsemi.com
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