参数资料
型号: NCP5381AMNR2G
厂商: ON Semiconductor
文件页数: 10/34页
文件大小: 0K
描述: IC BUCK CTLR 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)
NCP5381A
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
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
(Note 1)
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
--100
--
--
--
6.0
--
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
93.6
184.5
360
829
90
178.2
351
818
1.92
--
104
205
400
921
100
198
390
909
2.00
2.00
114.4
225.5
440
1013
110
217.8
429
1000
2.08
--
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
V
V
1. Guaranteed by design. Not tested in production.
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