参数资料
| 型号： | NCP5391MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC CTLR BUCK 2/3PHASE 32-QFN |
| 产品变化通告： | Product Discontinuation 30/Sept/2011 |
| 标准包装： | 1 |
| 应用： | 控制器，Intel Pentium? IV |
| 输入电压： | 10.8 V ~ 13.2 V |
| 输出数： | 3 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN（5x5） |
| 包装： | 剪切带 (CT) |
| 其它名称： | NCP5391MNR2GOSCT |
NCP5391
ELECTRICAL CHARACTERISTICS
(0 ° C < T A < 70 ° C; 0 ° C < T J < 85 ° C; 10.8 V < V CC < 13.2 V; All DAC Codes; C VCC = 0.1 m F, F SW = 400 kHz, unless otherwise stated)
Parameter
Test Conditions
Min
Typ
Max
Unit
V DRP ADAPTIVE VOLTAGE POSITIONING AMPLIFIER
Current Sense Input to V DRP Output
D V(CSx-CSxN) = 25 mV (all phases), 1.3 V < V out
-
3.7
-
V/ m s
Slew Rate (Note 1)
< 1.9 V,
C L = 330 pF to GND,
Load = ± 400 m A
Current Summing Amp Output Offset
CSx – CSxN = 0, CSx =1.0 V
-15
-
+15
mV
Voltage
Maximum V DRP Output Voltage
CSx - CSxN = 0.12 V
3.02
-
-
V
(all phases),
I SOURCE = 1.0 mA
Minimum V DRP Output Voltage
CSx - CSxN = -0.12 V
-
-
0.5
V
(all phases),
I SINK = 1.0 mA
Output Source Current (Note 1)
Output Sink Current (Note 1)
VDRP = 2.9 V
VDRP = 1.0 V
-
-
9.0
2.0
-
-
mA
mA
CURRENT SENSE AMPLIFIERS
Input Bias Current
Common Mode Input Voltage Range
CSx = CSxN = 1.4 V
-200
-0.3
-50
-
-10
2.0
nA
V
(Note 1)
Differential Mode Input Voltage Range
-120
-
120
mV
Input Offset Voltage (Note 1)
Current Sense Input to
PWM Comparator Input Gain
CSx = CSxN = 1.0 V
0 mV < (CSx-CSxN) < 25 mV
T A = 25 ° C
-3.0
5.7
-
6.0
3.0
6.3
mV
V/V
OSCILLATOR
Switching Frequency Range (Note 1)
100
-
1000
kHz
Switching Frequency Accuracy
R OSC = 100 k W , 2-phase
93.6
104
114.4
kHz
(Note 1)
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
R OSC = 49.9 k W , 2-phase
R OSC = 24.9 k W , 2-phase
R OSC = 10 k W , 2-phase
R OSC = 100 k W , 3-phase
184.5
360
829
90
205
400
921
100
225.5
440
1013
110
kHz
kHz
kHz
kHz
(Note 1)
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
R OSC Output Voltage
R OSC Output Voltage (Note 1)
R OSC = 49.9 k W , 3-phase
R OSC = 24.9 k W , 3-phase
R OSC = 10 k W , 3-phase
10 k W < R OSC < 49.9 k W
49.9 k W < R OSC < 100 k W
178.2
351
818
1.92
-
198
390
909
2.00
2.00
217.8
429
1000
2.08
-
kHz
kHz
kHz
V
V
MODULATORS (PWM COMPARATORS)
Minimum Pulse Width
Magnitude of the PWM Ramp
0% Duty Cycle
Fs = 400 kHz
COMP voltage when the PWM
-
-
-
30
1.0
1.2
40
-
-
ns
V
V
outputs remain LO
100% Duty Cycle
COMP voltage when the PWM
-
2.3
-
V
outputs remain HI
Minimum PWM Linear Duty Cycle
F S = 400 kHz
-
90
-
%
(Note 1)
1. Guaranteed by design. Not tested in production.
http://onsemi.com
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| NCP5392 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:2/3/4-Phase Controller for CPU Applications |
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