参数资料
型号: NCP5381MNR2G
厂商: ON Semiconductor
文件页数: 10/35页
文件大小: 0K
描述: IC CTLR BUCK 2/3/4PHASE 40-QFN
产品变化通告: Specification Change MSL Updated 13/June/2008
Product Discontinuation 01/Oct/2008
标准包装: 2,500
应用: 控制器,Intel Pentium? IV
输入电压: 10.8 V ~ 13.2 V
输出数: 4
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 40-VFQFN 裸露焊盘
供应商设备封装: 40-QFN(7x7)
包装: 带卷 (TR)
NCP5381
ELECTRICAL CHARACTERISTICS
(0 ? C < T A < 70 ? C; 0 ? C < T J < 125 ? 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
Units
V DRP Adaptive Voltage Positioning Amplifier
Current Sense Input to V DRP Gain
Current Sense Input to V DRP Output
--3dB Bandwidth (Note 1)
Current Sense Input to V DRP Output
Slew Rate (Note 1)
--60 mV < (CSx--CSxN)
< +60 mV, T A = 25 ? C
C L = 330 pF to GND,
R L = 10 k Ω to GND
Δ V(CSx--CSxN) = 25 mV (all
phases), 1.3 V < V out < 1.9 V,
5.7
--
--
6.0
7.2
3.7
6.3
--
--
V/V
MHz
V/ m s
C L = 330 pF to GND,
Load = ? 400 m A
Current Summing Amp Output Offset
Voltage
Maximum V DRP Output Voltage
CSx – CSxN = 0, CSx =1.0 V
CSx -- CSxN = 0.12 V
(all phases),
--15
3.02
--
--
+15
--
mV
V
I SOURCE = 1.0 mA
Minimum V DRP Output Voltage
CSx -- CSxN = --0.12 V
(all phases),
--
--
0.5
V
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
Differential Mode Input Voltage Range
Input Offset Voltage (Note 1)
Current Sense Input to
PWM Comparator Input Gain
CSx = CSxN = 1.4 V
CSx = CSxN = 1.0 V
0 mV < (CSx--CSxN) < 25 mV
T A = 25 ? C
--200
--0.3
--120
--3.0
5.7
--50
--
--
--
6.0
--10
2.0
120
3.0
6.3
nA
V
mV
mV
V/V
Oscillator
Switching Frequency Range (Note 1)
100
--
1000
kHz
Switching Frequency Accuracy
(Note 1)
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
(Note 1)
Switching Frequency Accuracy
Switching Frequency Accuracy
Switching Frequency Accuracy
R OSC Output Voltage
R OSC Output Voltage (Note 1)
R OSC = 100 k Ω , 2 or 4--phase
R OSC = 49.9 k Ω , 2 or 4--phase
R OSC = 24.9 k Ω , 2 or 4--phase
R OSC = 10 k Ω , 2 or 4--phase
R OSC = 100 k Ω , 3--phase
R OSC = 49.9 k Ω , 3--phase
R OSC = 24.9 k Ω , 3--phase
R OSC = 10 k Ω , 3--phase
10 k Ω < R OSC < 49.9 k Ω
49.9 k Ω < R OSC < 100 k Ω
90
190
380
900
90
190
380
900
1.92
--
100
200
400
1000
100
200
400
1000
2.00
2.00
110
210
420
1100
110
210
420
1100
2.08
--
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
V
V
1. Guaranteed by design. Not tested in production.
http://onsemi.com
10
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