参数资料
型号: NCP5314MNR2
厂商: ON Semiconductor
文件页数: 7/29页
文件大小: 0K
描述: IC CTRLR BUCK CPU 2/3/4PH 32QFN
产品变化通告: Product Discontinuation 30/Jun/2004
标准包装: 1
应用: 控制器,CPU
输入电压: 9.5 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: 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: NCP5314MNR2OSCT
NCP5314
ELECTRICAL CHARACTERISTICS (continued) (0 ° C < T A < 70 ° C; V CC = 12 V; C GATEx = 100 pF, C COMP = 0.01 μ F,
C SS = 0.1 μ F, C VCC = 0.1 μ F, R ROSC = 32.4 k Ω , V(I LIM ) = 1.0 V, DAC Code 010100; unless otherwise noted)
Characteristic
Test Conditions
Min
Typ
Max
Unit
GATES
High Voltage
Low Voltage
Rise Time GATE
Fall Time GATE
Measure GATEx, I GATEx = 1.0 mA
Measure GATEx, I GATEx = 1.0 mA
0.8 V < GATEx < 2.0 V, V CC = 10 V
2.0 V > GATEx > 0.8 V, V CC = 10 V
?
?
?
?
2.70
0.5
5.0
5.0
?
0.7
10
10
V
V
ns
ns
Oscillator
Switching Frequency
R OSC Voltage
Phase Delay, 3 Phases
Phase Delay, 4 Phases
Phase Disable Threshold
R OSC = 32.4 k, 3 Phase (Note 2)
R OSC = 32.4 k, 4 Phase (Note 2)
?
V CC = CS4P = CS4N
?
V CC ? (CS4P = CS4N)
?15%
?15%
0.95
?
?
500
880
660
1.02
120
90
?
+15%
+15%
1.05
?
?
?
kHz
V
deg
deg
mV
Adaptive Voltage Positioning
V DRP Output Voltage to DAC OUT Offset
CSxP = CSxN, V FB = COMP,
?15
?
15
mV
Measure V DRP ? COMP
Current Sense Amplifier to V DRP Gain
CSxP ? CSxN = 80 mV, V FB = COMP,
2.25
2.54
2.75
V/V
Measure V DRP ? COMP
V DRP Source Current
V DRP Sink Current
?
?
1.0
0.2
7.0
0.4
14
0.6
mA
mA
Soft?Start
Charge Current
Discharge Current
COMP Pull?Down Current
?
?
?
30
90
0.2
44
120
0.9
50
150
2.1
μ A
μ A
mA
Current Sensing and Overcurrent Protection
CSxP Input Bias Current
CSxN Input Bias Current
Current Sense Amp to PWM Gain
CSxN = CSxP = 0 V
CSxN = CSxP = 0 V
CSxN = 0 V, CSxP = 80 mV, Measure
?
?
?
0.1
0.1
3.1
1.0
1.0
?
μ A
μ A
V/V
V(COMP) when GATEx switches high
Current Sense Amp to PWM Bandwidth
Current Sense Amp to I LIM Gain
(Note 2)
IO/(CSxP ? CSxN), I LIM = 0.6 V,
?
2.85
7.0
3.30
?
3.65
MHz
V/V
GATEx not switching
Current Sense Amp to I LIM Bandwidth
Current Limit Filter Slew Rate
I LIM Input Bias Current
Pulse?by?Pulse Current Limit Threshold
I LIM = 0 V
(Note 2)
(Note 2)
V(CSxP) ? V(CSxN)
?
2.0
?
80
1.0
5.0
0.1
90
?
13
1.0
110
MHz
mV/ m s
μ A
mV
Voltage
Current Sense Common Mode Input
(Note 2)
0
?
2.0
V
Range
General Electrical Specifications
V CC Operating Current
UVLO Start Threshold
UVLO Stop Threshold
COMP = 0.3 V (no switching)
SS charging, GATEx switching
GATEx not switching, SS & COMP
?
8.5
7.5
27
9.0
8.0
35
9.5
8.5
mA
V
V
discharging
UVLO Hysteresis
Start ? Stop
0.8
1.0
1.2
V
2. Guaranteed by design, not tested in production.
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