参数资料
型号: NCP5381AMNR2G
厂商: ON Semiconductor
文件页数: 12/34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
VR_RDY (Power Good) Output
Saturation Voltage
Rise Time
Output Voltage at Power--up (Note 1)
I SINK = 10 mA
External pullup of 1.0 k Ω to 1.25 V,
C LOAD = 20 pF,
Δ Vo = 10% to 90%
External VR_RDY pullup resistor of
2.0 k Ω to 5.0 V,
--
--
--
--
--
--
0.4
150
1.0
V
ns
V
t R_VCC ? 3 x t R_5V ,
100 m s ? t R_VCC ? 20 ms
High – Output Leakage Current
Upper Threshold Voltage
Rising Delay
Falling Delay
VR_RDY = 5.5 V via 1.0 K
VCORE increasing,
DAC = 1.3 V
VCORE increasing
VCORE decreasing
--
--
0.3
--
--
300
1.40
5.0
1.0
--
2.0
--
m A
mV below
DAC
ms
m s
VR_FAN AND VR_HOT
NTC Pin Bias Current
VR_FAN Upper Voltage Threshold
VR_FAN Lower Voltage Threshold
VR_FAN Hysteresis
VR_FAN Output Voltage at Powerup
(Note 1)
0 V < NTC < 5.0 V
Fraction of VREF voltage above
which VR_FAN output pulls low
Fraction of VREF voltage below
which VR_FAN output is open
External Pullup resistor of 2.0 k Ω to
5.0 V,
t R_VCC ? 3 x t R_5V ,
--1.0
0.3518
0.2892
210
--
--
0.3625
0.3025
240
--
1.0
0.3737
0.3112
270
1.0
m A
mV
V
100 m s ? t R_VCC ? 20 ms
VR_FAN Output Saturation Voltage
VR_FAN Output Leakage Current
VR_HOT Upper Voltage Threshold
VR_HOT Lower Voltage Threshold
VR_HOT Hysteresis
VR_HOT Output Voltage at Powerup
(Note 1)
I SINK = 4.0 mA
High Impedance State,
VR_FAN = 5.0 V
Fraction of VREF voltage above
which VR_HOT output pulls low
Fraction of VREF voltage below
which VR_HOT output is open
External Pullup resistor of 2.0 k Ω to
5.0 V,
t R_VCC ? 3 x t R_5V ,
--
--
0.2732
0.2107
210
--
--
--
0.2815
0.2190
240
--
0.3
1.0
0.2897
0.2272
270
1.0
V
m A
mV
V
100 m s ? t R_VCC ? 20 ms
VR_HOT Saturation Output Voltage
VR_HOT Output Leakage Current
I SINK = 4.0 mA
High Impedance State,
VR_HOT = 5.0 V
--
--
--
--
0.3
1.0
V
m A
1. Guaranteed by design. Not tested in production.
http://onsemi.com
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