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CS51311 参数 Datasheet PDF下载

CS51311图片预览
型号: CS51311
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: 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 < T
A
< 70˚C; 0˚C < T
J
< 125˚C; 9V < V
CC
< 14V;
2.0V DAC Code (V
ID4
= V
ID3
=V
ID2
= V
ID1
= 0, V
ID0
= 1), C
GATE(H)
= C
GATE(L)
= 3.3nF, C
OFF
= 390pF; Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CS51311
s
Error Amplifier
0.2V
≤V
FB
3.5V
V
COMP
= 1.2V to 3.6V; V
FB
= 1.9 V
V
COMP
=1.2V; V
FB
= 2.1V;
C
COMP
= 0.1µF
C
COMP
= 0.1µF
C
COMP
= 0.1µF
-7.0
15
30
0.1
30
60
80
50
70
32
0.5
7.0
60
120
µA
µA
µA
dB
kHz
dB
mmho
MΩ
V
FB
Bias Current
COMP Source Current
COMP Sink Current
Open Loop Gain
Unity Gain Bandwidth
PSRR @ 1kHz
Transconductance
Output Impedance
s
Voltage Identification DAC
Measure V
FB
= V
COMP
, V
CC
= 12V (Note 1)
75°C
T
J
125°C
V
ID4
V
ID3
V
ID2
V
ID1
V
ID0
MIN
TYP
MAX
± TOL
MIN
25°C
T
J
75°C
TYP
MAX
± TOL
UNIT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
3.483
3.384
3.285
3.186
3.087
2.989
2.890
2.791
2.692
2.594
2.495
2.396
2.297
2.198
2.099
2.050
2.001
1.953
1.904
1.854
1.805
1.755
1.706
1.656
1.607
1.558
1.508
1.459
1.409
1.360
1.310
1.225
3.525
3.425
3.325
3.225
3.125
3.025
2.925
2.825
2.725
2.625
2.525
2.425
2.325
2.225
2.125
2.075
2.025
1.975
1.925
1.875
1.825
1.775
1.725
1.675
1.625
1.575
1.525
1.475
1.425
1.375
1.325
1.250
3.567
3.466
3.365
3.264
3.163
3.061
2.960
2.859
2.758
2.657
2.555
2.454
2.353
2.252
2.151
2.100
2.049
1.997
1.946
1.896
1.845
1.795
1.744
1.694
1.643
1.593
1.542
1.491
1.441
1.390
1.340
1.275
3
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
2.0%
3.455
3.357
3.259
3.161
3.063
2.965
2.875
2.777
2.679
2.580
2.482
2.389
2.290
2.192
2.093
2.044
1.995
1.945
1.896
1.847
1.798
1.748
1.699
1.650
1.601
1.551
1.502
1.453
1.404
1.354
1.305
1.225
3.525
3.425
3.325
3.225
3.125
3.025
2.925
2.825
2.725
2.625
2.525
2.425
2.325
2.225
2.125
2.075
2.025
1.975
1.925
1.875
1.825
1.775
1.725
1.675
1.625
1.575
1.525
1.475
1.425
1.375
1.325
1.250
3.596
3.494
3.392
3.290
3.188
3.086
2.975
2.873
2.771
2.670
2.568
2.461
2.360
2.258
2.157
2.106
2.055
2.005
1.954
1.903
1.852
1.802
1.751
1.700
1.649
1.599
1.548
1.497
1.446
1.396
1.345
1.275
2.0%
2.0%
2.0%
2.0%
2.0%
2.0%
1.7%
1.7%
1.7%
1.7%
1.7%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
2.0%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V