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CS5303 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. CS5303
Description  Three−Phase Buck Controller with Integrated Gate Drivers
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS5303 Datasheet(HTML) 4 Page - ON Semiconductor

 
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CS5303
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (continued) (0°C < TA < 70°C; 0°C < TJ < 125°C; 4.7 V < VCCL < 14 V; 8 V < VCCH < 20 V;
CGATE(H) = 3.3 nF, CGATE(L) = 3.3 nF, RR(OSC) = 53.6 k, CCOMP = 0.1 μF, CREF = 0.1μF, DAC Code 10000, CVCC = 1.0 μF, ILIM ≥ 1 V; unless
otherwise specified.)
Characteristic
Unit
Max
Typ
Min
Test Conditions
Voltage Identification DAC (0 = Connected to VSS; 1 = Open or Pull−up to 3.3 V)
0
1
1
1
1
1.460
1.475
1.490
V
0
1
1
1
0
1.485
1.500
1.515
V
0
1
1
0
1
1.510
1.525
1.540
V
0
1
1
0
0
1.535
1.550
1.566
V
0
1
0
1
1
1.559
1.575
1.591
V
0
1
0
1
0
1.584
1.600
1.616
V
0
1
0
0
1
1.609
1.625
1.641
V
0
1
0
0
0
1.634
1.650
1.667
V
0
0
1
1
1
1.658
1.675
1.692
V
0
0
1
1
0
1.683
1.700
1.717
V
0
0
1
0
1
1.708
1.725
1.742
V
0
0
1
0
0
1.733
1.750
1.768
V
0
0
0
1
1
1.757
1.775
1.793
V
0
0
0
1
0
1.782
1.800
1.818
V
0
0
0
0
1
1.807
1.825
1.843
V
0
0
0
0
0
1.832
1.850
1.869
V
Input Threshold
VID4, VID3, VID2, VID1, VID0
1.00
1.25
1.50
V
Input Pull−up Resistance
VID4, VID3, VID2, VID1, VID0
25
50
100
Pull−up Voltage
3.15
3.30
3.45
V
Voltage Feedback Error Amplifier
VFB Bias Current (Note 2)
1.0 V < VFB < 1.9 V
16.8
19.0
21.5
μA
COMP Source Current
COMP = 0.5 V to 2.0 V;
VFB = 1.8 V; DAC = 00000
15
30
60
μA
COMP Sink Current
COMP = 0.5 V to 2.0 V;
VFB = 1.9 V; DAC = 00000
15
30
60
μA
COMP Discharge Threshold Voltage
0.20
0.27
0.34
V
Transconductance
−10 μA < ICOMP < +10 μA
32
mmho
Output Impedance
2.5
Open Loop DC Gain
Note 3
60
90
Unity Gain Bandwidth
0.01 μF COMP Capacitor
400
kHz
PSRR @ 1 kHz
70
dB
COMP Max Voltage
VFB = 1.8 V; COMP Open; DAC = 00000
2.4
2.7
V
COMP Min Voltage
VFB = 1.9 V; COMP Open; DAC = 00000
0.1
0.2
V
Hiccup Latch Discharge Current
2.0
5.0
10
μA
COMP Discharge Ratio
4.0
6.0
10
2. The VFB Bias Current changes with the value of ROSC per Figure 4.
3. Guaranteed by design. Not tested in production.


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