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CS5305GDWR28 датащи(PDF) 8 Page - ON Semiconductor

номер детали CS5305GDWR28
подробное описание детали  Three?뭁hase Synchronous Switching Step?묭own Controller with Single Wire Current Sharing
PDF  33 Pages
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производитель  ONSEMI [ON Semiconductor]
домашняя страница  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS5305GDWR28 датащи(HTML) 8 Page - ON Semiconductor

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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
Current Sense Amplifiers
CSREF Input Bias Current
CSREF = CSx = 0 V
−
0.3
3.0
μA
CSx Input Bias Current
CSREF = CSx = 0 V
−
0.1
1.0
μA
Sense Amp Gain
CSREF = 0 V, CSx = 0.05 V,
Measure V(COMP) when
GATEx switches high
.95
1.06
1.17
V / V
Mismatch
0 ≤(CSx − CSREF) ≤50 mV,
Note 5.
−3.0
−
3.0
mV
Common Mode Input Range
Note 5.
0
−
2.0
V
Bandwidth
Note 5.
−
7.0
−
MHz
Single Phase Pulse by Pulse
Current Limit
VFB = CSREF = 0.5 V,
COMP = 2.0 V, Measure
CSx − CSREF when GATEx
goes low
80
90
100
mV
OCSET Input Bias Current
OCSET = 0 V
−
0.1
1.0
μA
Current Sense Input to OCSET
Gain
OCSET / R (CSx − CSREF),
OCSET = 0.6 V,
Monitor DRVON < 1.0 V
3.4
3.7
4.0
V / V
Current Limit Filter Slew Rate
CSREF = 1.1 V, CSx = 1.0 V,
pulse CSx to 1.16 V, Note 5.
2.0
5.0
13
mV / μs
Adaptive Voltage Positioning
VDRP Output Voltage to
DACOUT Offset
CSx = CSREF, VFB = COMP,
Measure VDRP − COMP
−30
2.0
60
mV
Maximum VDRP Voltage
CSx − CSREF = 50 mV,
VFB = COMP,
Measure VDRP − COMP
500
560
620
mV
Current Sense Amp to VDRP
Gain
CSx − CSREF = 50 mV,
VFB = COMP,
Measure VDRP − COMP
3.4
3.7
4.0
V / V
VDRP Source Current
CSx − CSREF = 50 mV,
VFB = COMP,
VDRP = 1.5 V
1.0
7.0
14
mA
SHARE Current Sense Amplifier
IFB Input Bias Current
IFB = 0 V
−
0.2
1.0
μA
Input Offset Voltage
Note 5.
−5.0
0
5.0
mV
Common Mode Input Range
Note 5.
0
−
2.0
V
Output Current
IOUT = 0 V, CSx = 0.667 V,
CSREF = 0.5 V
1.0
10
22
mA
Gain
Note 5.
−
120
−
dB
Output Unity Gain BW
Note 5.
−
5.0
−
MHz
5. Guaranteed by design. Not tested in production.



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