参数资料
型号: NCP5387MNR2G
厂商: ON Semiconductor
文件页数: 12/37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 28/Feb/2008
标准包装: 2,500
应用: 控制器,Intel VR10、VR11、AMD CPU
输入电压: 4.75 V ~ 5.25 V
输出数: 4
工作温度: 0°C ~ 85°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(6x6)
包装: 带卷 (TR)
NCP5387
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated: 0 ° C < T A < 85 ° C; 4.75 V < V CC < 5.25 V; All DAC Codes; C VCC = 0.1 m F)
Parameter
Test Conditions
Min
Typ
Max
Units
Soft?Start
Soft?Start Pin Source Current
3.75
5.0
6.25
m A
Soft?Start Ramp Time
Soft?Start Pin Discharge Voltage
VR11 Dwell Time at V BOOT
C SS = 0.01 m F; Time to 1.05 V
DRVON pin = LO (Fault)
C SS = 0.01 m F
?
?
50
2.2
?
?
?
25
500
ms
mV
m s
DACMODE Input
Input Range for AMD Operating Mode
Input Range for VR11 Operating Mode
Input Range for VR10 Operating Mode
2.3
0.9
0
?
?
?
3.5
1.7
0.5
V
V
V
Enable Input
Enable High Input Leakage Current
Rising Threshold
Falling Threshold
Hysteresis
Enable Delay Time
EN = 3.3 V
V UPPER
V LOWER
V UPPER – V LOWER
Time from Enable transitioning HI to initiation
?
0.800
0.670
?
1.0
?
?
?
130
?
1.0
0.920
0.830
?
5.0
m A
V
V
mV
ms
of Soft?Start
Disable Delay Time
EN Low to DRVON Low
?
150
200
ns
Current Limit
Current Sense Amp to ILIM Gain
20 mV < (CSx ? CSxN) < 60 mV
5.7
5.95
6.2
V/V
(Each CS Input Independently)
ILIM Pin Input Bias Current
ILIM Pin Working Voltage Range (Note 3)
ILIM Offset Voltage
V ILIM = 2.0 V
Offset extrapolated to CSx ? CSxN = 0,
?
0.2
?33
?
?
17
1.0
2.0
67
m A
V
mV
referred to ILIM pin
Delay (Note 3)
?
300
?
ns
Overvoltage Protection
Overvoltage Threshold
DAC+
?
DAC+
mV
160
200
Delay (Note 3)
?
100
?
ns
Undervoltage Protection
V CC UVLO Start Threshold
V CC UVLO Stop Threshold
V CC UVLO Hysteresis
4
3.8
100
?
?
215
4.5
4.3
?
V
V
mV
VID Inputs
Upper Threshold
Lower Threshold
Input Bias Current
Delay before Latching VID Change
V UPPER
V LOWER
Measured from the edge of the first VID
?
300
?
500
?
?
?
?
800
?
500
800
mV
mV
nA
ns
(VID De?Skewing) (Note 3)
Internal DAC Slew Rate Limiter
change
Positive Slew Rate Limit
Negative Slew Rate Limit
V ID Step of +500 mV
V ID Step of ?500 mV
?
?
6.3
?6.3
?
?
mV/ m s
mV/ m s
http://onsemi.com
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