参数资料
型号: NCP5331FTR2G
厂商: ON Semiconductor
文件页数: 8/36页
文件大小: 0K
描述: IC CTLR PWM 2PH W/DRVRS 32-LQFP
产品变化通告: Product Obsolescence 05/Oct/2010
标准包装: 1
应用: 控制器,AMD Athlon?
输入电压: 9 V ~ 14 V
输出数: 2
输出电压: 5V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-LQFP(7x7)
包装: 剪切带 (CT)
其它名称: NCP5331FTR2GOSCT
NCP5331
ELECTRICAL CHARACTERISTICS (continued) (0 ° C < T A < 70 ° C; 0 ° C < T J < 125 ° C; 9.0 V < V CCL < 16 V; 9.0 V < V CCH < 20 V;
9.0 V < V CCL1 = V CCL2 < 14 V; C GATE = 3.3 nF, R ROSC = 32.4 k W , C COMP = 1.0 nF, C 5V(REF) = 0.1 m F, DAC Code 01110 (1.2 V),
C VCC = 1.0 m F, 0.25 V ≤ I LIM ≤ 1.0 V; unless otherwise noted)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Current Sensing
CS1?CS2 Input Bias Current
CS REF Input Bias Current
V FFB Pull?Up Resistor
Current Sense Amplifier Gain
Current Sense Input to I LIM
CSx = CS REF = 0 V
CSx ? CS REF = 50 mV
CSx ? CS REF = 40 mV
I LIM = 1.00 V
?
?
?
80
1.85
9.5
0.1
0.35
110
2.1
12
0.5
1.5
145
2.35
14
m A
m A
k W
V/V
V/V
Gain
Current Limit Filter Slew Rate
I LIM Operating Voltage Range
I LIM Bias Current
Current Sense Amplifier
Note 4.
0 < I LIM < 1.0 V
Note 4.
?
4.0
?
?
1.0
7.0
?
0.1
?
13
3.0
1.0
?
mV/ m s
V
m A
MHz
Bandwidth
General Electrical Specifications
V CCL Operating Current
V CCL1 or V CCL2 Operating
V FB = COMP (no switching)
V FB = COMP (no switching)
?
?
22
5.0
26
10
mA
mA
Current
V CCH Operating Current
5 V SB Quiescent Current
V CCL Start Threshold
V CCL Stop Threshold
V CCL Hysteresis
V CCH Start Threshold
V CCH Stop Threshold
V CCH Hysteresis
V FB = COMP (no switching)
CB OUT = Low
GATEs switching, COMP charging
GATEs stop switching, COMP discharging
GATEs not switching, COMP not charging
GATEs switching, COMP charging
GATEs stop switching, COMP discharging
GATEs not switching, COMP not charging
?
?
8.1
5.75
2.05
8.1
6.35
1.45
6.4
?
8.5
6.15
2.35
8.5
6.75
1.75
9.0
400
8.9
6.55
2.65
8.9
7.15
2.05
mA
m A
V
V
V
V
V
V
Reference Output
5 V REF Output Voltage
0 mA < I(5 V REF ) < 1.0 mA
4.85
5.0
5.15
V
Internal Ramp
Ramp Height @ 50% PWM
CS1 = CS2 = CS REF
?
125
?
mV
Duty Cycle
4. Guaranteed by design. Not tested in production.
http://onsemi.com
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