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參數(shù)資料
| 型號： | NCP5318 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Two/Three/Four−Phase Buck CPU Controller |
| 文件頁數(shù)： | 6/31頁 |
| 文件大小： | 384K |
| 代理商： | NCP5318 |
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NCP5318
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS
(0
°
C < T
A
< 70
°
C; V
CC
= 12 V; C
GATEx
= 100 pF, C
COMP
= 0.01 F,
C
SS
= 0.1 F, C
VCC
= 0.1 F, R
ROSC
= 95.3 k , V(I
LIM
) = 1.0 V, DAC Code 010100; unless otherwise noted)
Characteristic
Test Conditions
Min
Typ
Max
Unit
VID Inputs
Input Threshold
V
ID5
, V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
V
ID5
, V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
= 0 V
SGND < 300 mV, All DAC Codes
400
600
800
mV
VID Pin Current
0.2
1.0
A
SGND Bias Current
10
20
40
A
SGND Voltage Compliance Range
200
300
mV
Power Good
Upper Threshold, Offset from No Load Set Point
85
97
115
mV
Lower Threshold Constant
PWRGDS/No Load Set Point
0.475
0.505
0.525
V/V
Output Low Voltage
V
FFB
= 1.0 V, I
PWRGD
= 4.0 mA
V
FFB
high to PWRGD high
0.18
0.40
V
Delay
1.0
2.0
4.0
ms
Overvoltage Protection
OVP Threshold above VID
170
215
250
mV
Enable Input
Start Threshold
Gates switching, SS high
0.8
V
Stop Threshold
Gates not switching, SS low
0.4
V
Hysteresis
100
170
mV
Input Pull
Up Voltage
1.0 M to GND
2.7
2.9
3.3
V
Input Pull
Up Resistance
7.0
10
20
k
Error Amplifier
V
FB
Bias Current
COMP Source Current
0.1
1.0
A
COMP = 0.5 V to 2.0 V
40
70
100
A
COMP Sink Current
40
70
100
A
Transconductance
(Note 2)
1.1
1.3
1.5
mmho
Open Loop DC Gain
(Note 2)
72
80
dB
Unity Gain Bandwidth
C
COMP
= 30 pF (Note 2)
4.0
MHz
PSRR @ 1.0 kHz
(Note 2)
60
dB
COMP Max Voltage
V
FB
= 0 V
V
FB
= 1.6 V
2.4
2.9
V
COMP Min Voltage
80
150
mV
PWM Comparators
Minimum Pulse Width
Measured from CSxP to GATEx,
V
= CSxN = 0.5, COMP = 0.5 V,
60 mV step between CSxP and CSxN;
Measure at GATEx = 1.0 V (Note 2)
40
100
ns
Transient Response Time
Measured from CSxN to GATEx,
COMP = 2.1 V, CSxP = CSxN = 0.5 V,
CSxN stepped from 1.2 V to 2.0 V (Note 2)
40
60
ns
Channel Startup Offset
CSxP = CSxN = V
FB
= 0, Measure Vcomp
when GATEx switch high
0.35
0.62
0.75
V
Artificial Ramp Amplitude
50% duty cycle
175
mV
MOSFET Driver Enable (DRVON)
Output High
DRVON floating
2.3
V
Output Low
I = 100 A
0.2
V
Pull
Down Resistance
DRVON = 1.5 V, ENABLE = 0 V,
R = 1.5 V/I(DRVON)
35
70
140
k
Source Current
DRVON = 1.5 V
0.5
3.0
6.5
mA
2. Guaranteed by design, not tested in production.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| NCP5318FTR2 | 功能描述:DC/DC 開關(guān)控制器 2/3/4 Phase Buck CPU RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| NCP5318FTR2G | 功能描述:DC/DC 開關(guān)控制器 2/3/4 Phase Buck CPU RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| NCP5322A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC |
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| NCP5322A_07 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC |
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