参数资料
型号: NCP5385MNR2G
厂商: ON Semiconductor
文件页数: 12/34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: 6
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)
NCP5385
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)
High – Output Leakage Current
Upper Threshold Voltage
Rising Delay
Falling Delay
I SINK = 10 mA
External pullup of 1.0 k W to
1.25 V, C LOAD = 20 pF,
D Vo = 10% to 90%
External VR_RDY pullup
resistor of 2.0 k W to 5.0 V,
t R_VCC ≤ 3 x t R_5V ,
100 m s ≤ t R_VCC ≤ 20 ms
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
0.4
150
1.0
1.0
?
2.0
?
V
ns
V
m A
mV below
DAC
ms
m s
Soft ? Start
SS Pin Source Current
SS Pin Source Current
Soft ? Start Ramp Time
SS Pin Discharge Voltage
Soft ? Start Discharge Time
VR11 V BOOT Threshold Voltage
VR11 Dwell Time at V BOOT
ENABLE = HI,
V SS PIN < 1.1 V
ENABLE = HI,
V SS PIN > 1.15 V, VR11 SS
mode only
C SS = 0.01 m F, DRVON = HI
to V SS PIN = 1.1 V
ENABLE = LO
From ENABLE = LO to V SS
PIN < max Discharge Voltage,
C SS = 0.01 m F
?
125
1.5
?
?
?
50
5.0
?
2.2
?
5.0
1.081
225
?
?
3.0
50
?
?
900
m A
m A
ms
mV
m s
V
m s
Enable Input
Enable High Input Leakage Current
Upper Threshold
Lower Threshold
Total Hysteresis
Enable Delay Time
Disable Delay Time
EN = 3.0 V
V UPPER
V LOWER
V UPPER – V LOWER
Enable transitioning HI to
start of SS voltage rise
Enable transitioning Low to
DRVON = Low
?
0.80
0.67
70
0.5
?
?
0.85
0.75
100
1.5
?
10
0.90
0.83
130
3.0
200
m A
V
V
mV
ms
ns
Current Limit
Current Sense Inputs to I LIM Gain
(Note 1)
ILIM Pin Input Bias Current
ILIM Pin Working Voltage Range
(Note 1)
ILIM Input Offset Voltage (Note 1)
20 mV < (CSx ? CSxN) <
60 mV T A = 25 ° C
(all CS channels together)
V ILIM = 2.0 V
5.7
?
0.3
? 50
6.0
0.1
?
?
6.3
1.0
2.0
50
V/V
m A
V
mV
1. Guaranteed by design. Not tested in production.
http://onsemi.com
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