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CS5305GDWR28 数据表(PDF) 9 Page - ON Semiconductor

部件名 CS5305GDWR28
功能描述  Three?뭁hase Synchronous Switching Step?묭own Controller with Single Wire Current Sharing
Download  33 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

CS5305GDWR28 数据表(HTML) 9 Page - ON Semiconductor

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CS5305
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9
ELECTRICAL CHARACTERISTICS (continued) (0°C < TA < 70°C; 0°C < TJ < 125°C; 9.5 V < VCC < 14 V; CGATEX = 100 pF,
CCOMP = 0.01μF, CSCOMP = 0.01μF, CVCC = 0.1μF, RROSC = 32.4 kΩ, RSHARE = 60.4 kΩ, V(OCSET) = 0.54 V, DAC Code 01110; unless
otherwise stated.)
Parameter
Unit
Max
Typ
Min
Test Conditions
SHARE Bus
SHARE Amplifier Offset Voltage
Measure V(SHARE) − V(IOUT),
0 < IOUT < 2.0 V
20
40
60
mV
SHARE Amplifier Source
Current
IOUT = 2.1 V, SHARE = 2.0 V
1.0
7.5
24
mA
SHARE Amplifier Max Voltage
IOUT = 3.5 V, TA = 25°C
2.65
2.80
3.20
V
SHARE Fault Threshold
DRVON < 1.0 V, TA = 25°C
3.2
3.4
3.7
V
SHARE OK Threshold
DRVON > 1.0 V
2.0
2.3
2.5
V
SHARE Fault Hysteresis
1.0
1.15
1.3
V
SHARE Fault Output Voltage
3.8
4.25
4.7
V
SHARE Fault Output Current
SHARE = 3.8 V
1.2
2.0
2.5
mA
SHARE Full Load Accuracy
CSREF = 0.5 V, CSx = 0.52 V,
IOUT / FB Divider = 22 kΩ/3.0 kΩ
1.7
1.95
2.2
V
SHARE Short Circuit Current
V(IOUT) = 2.0 V, SHARE = GND
1.0
17
28
mA
SHARE Fault Short Circuit
Current
CSREF = 0.5 V, CSx = 0.6 V
2.0
19
30
mA
Current SHARE Adjust Amplifier
Transconductance from IOUT to
SCOMP
0 < IOUT < 2.0 V,
0 < SCOMP < 2.0 V
23
40
53
μA / V
Gain from IOUT to COMP
Note 6.
30
50
140
mA / V
Maximum SCOMP source
current
SCOMP = 1.5 V
15
30
60
μA
Maximum SCOMP sink current
SCOMP = 1.5 V
15
30
60
μA
Unity Gain BW
C(SCOMP) = TBD, Note 6.
30
56
100
Hz
MOSFET Driver Enable
Pull−Up Voltage
DRVON Floating
4.5
5.5
6.0
V
DRVON Source Current
DRVON = 1.5 V
.5
3.0
6.5
mA
DRVON Pull Down Resistor
DRVON = 1.5 V, ENABL = 0 V,
R = 1.5 V / I(1.5 V)
35
70
140
General Electrical Specifications
VCC Disable Current
ENABLE = 0 V (no switching)
30
60
mA
UVLO Start Threshold
COMP charging, DRVON > 1.0 V
8.5
9.0
9.5
V
UVLO Stop Threshold
Gates not switching, COMP
discharging, DRVON < 1.0 V
7.5
8.0
8.5
V
UVLO Hysteresis
Start − Stop
0.8
1.0
1.2
V
VCC Operating Current
ENABLE Open
22
30
mA
6. Guaranteed by design. Not tested in production.


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