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CS51311GD14 参数 Datasheet PDF下载

CS51311GD14图片预览
型号: CS51311GD14
PDF下载: 下载PDF文件 查看货源
内容描述: CPU同步降压控制器的12V和5V的应用 [Synchronous CPU Buck Controller for 12V and 5V Applications]
分类和应用: 开关光电二极管控制器
文件页数/大小: 19 页 / 239 K
品牌: CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
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Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 9V < VCC < 14V;  
2.0V DAC Code (VID4 = VID3 =VID2 = VID1 = 0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 390pF; Unless otherwise stated.  
PARAMETER  
Line Regulation  
TEST CONDITIONS  
9V VCC 14V  
MIN  
TYP  
0.01  
1.25  
50  
MAX  
UNIT  
%/V  
V
Input Threshold  
V
V
ID4, VID3, VID2, VID1, VID0  
ID4, VID3, VID2, VID1, VID0  
1.00  
25  
2.40  
100  
Input Pull-up Resistance  
Pull-up Voltage  
kΩ  
5.48  
5.65  
5.82  
V
GATE(H) and GATE(L)  
High Voltage at 100mA  
Measure VCC –GATE(L)/(H)  
1.2  
2.1  
V
Low Voltage at 100mA  
Rise Time  
Measure GATE(L)/(H)  
1.0  
40  
1.5  
80  
V
1.6V < GATE(H)/(L) < (VCC – 2.5V)  
ns  
Fall Time  
(VCC – 2.5V) > GATE(L)/(H) > 1.6V  
GATE(H) < 2V, GATE(L) > 2V  
40  
65  
65  
50  
80  
ns  
ns  
GATE(H) to GATE(L) Delay  
GATE(L) to GATE(H) Delay  
GATE pull-down  
30  
30  
20  
110  
110  
115  
V
CC = 12V  
GATE(L) < 2V, GATE(H) > 2V  
CC = 12V  
ns  
V
Resistance to Gnd (Note 2)  
kΩ  
Overcurrent Protection  
OVC Comparator Offset Voltage  
0V VOUT 3.5V  
0.2V VOUT 3.5V  
77  
86  
101  
mV  
Discharge Threshold Voltage  
0.2  
0.25  
0.1  
0.3  
7.0  
V
VOUT Bias Current  
-7.0  
µA  
OVC Latch Discharge Current  
VCOMP = 1V  
100  
800  
2500  
µA  
PWM Comparator  
PWM Comparator Offset Voltage 0V VFB 3.5V  
0.99  
1.10  
200  
1.23  
300  
V
Transient Response  
VFB = 0 to 3.5V  
ns  
COFF  
Off-Time  
1.0  
1.6  
2.3  
µs  
Charge Current  
V
V
COFF = 1.5V  
COFF = 1.5V  
550  
µA  
Discharge Current  
25  
mA  
Power-Good Output  
PWRGD Sink Current  
V
FB = 1.7V, VPWRGD = 1V  
0.5  
4
15  
mA  
PWRGD Upper Threshold  
PWRGD Lower Threshold  
PWRGD Output Low Voltage  
% of nominal DAC code  
% of nominal DAC code  
5
8.5  
-8.5  
0.2  
12  
-5  
%
%
V
-12  
VFB = 1.7V, IPWRGD = 500µA  
0.3  
4