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CS5302 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. CS5302
Description  Two−Phase Buck Controller with Integrated Gate Drivers and 4−Bit DAC
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS5302 Datasheet(HTML) 3 Page - ON Semiconductor

 
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CS5302
http://onsemi.com
3
ABSOLUTE MAXIMUM RATINGS (continued)
Pin Name
ISINK
ISOURCE
VMIN
VMAX
Pin Symbol
Soft Start Capacitor
SS
6.0 V
−0.3 V
1.0 mA
1.0 mA
Voltage Feedback Compensation
Network
COMP
6.0 V
−0.3 V
1.0 mA
1.0 mA
Voltage Feedback Input
VFB
6.0 V
−0.3 V
1.0 mA
1.0 mA
Output for Adjusting Adaptive
Voltage Position
VDRP
6.0 V
−0.3 V
1.0 mA
1.0 mA
Frequency Resistor
ROSC
6.0 V
−0.3 V
1.0 mA
1.0 mA
Reference Output
REF
6.0 V
−0.3 V
1.0 mA
50 mA
High−Side FET Drivers
GATE(H)
20 V
−0.3 V DC
−2.0 V for
100 ns
1.5 A, 1.0 μs 200 mA DC 1.5 A, 1.0 μs 200 mA DC
Low Side FET Drivers
GATE(L)
16 V
−0.3 V DC
−2.0 V for
100 ns
1.5 A, 1.0 μs 200 mA DC 1.5 A, 1.0 μs 200 mA DC
Return for Logic
LGND
N/A
N/A
50 mA
N/A
Return for #1 Driver
GND1
0.3 V
−0.3 V
2.0 A, 1.0 μs 200 mA DC
N/A
Return for #2 Driver
GND2
0.3 V
−0.3 V
2.0 A, 1.0 μs 200 mA DC
N/A
Current Sense for Phases 1−2
CS1−CS2
6.0 V
−0.3 V
1.0 mA
1.0 mA
Current Limit Set Point
ILIM
6.0 V
−0.3 V
1.0 mA
1.0 mA
Current Sense Reference
CSREF
6.0 V
−0.3 V
1.0 mA
1.0 mA
Voltage ID DAC Inputs
VID0−3
6.0 V
−0.3 V
1.0 mA
1.0 mA
ELECTRICAL CHARACTERISTICS (0°C < TA < 70°C; 0°C < TJ < 125°C; 4.7 V < VCCL < 14 V; 10 V < VCCH < 20 V;
CGATE(H) = 3.3 nF, CGATE(L) = 3.3 nF, RR(OSC) = 32.4 k, CCOMP = 1.0 nF, CSS = 0.1 μF, CREF = 0.1 μF, DAC Code 1001, CVCC = 1.0 μF,
ILIM ≥ 1.0 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Voltage Identification DAC (0 = Connected to VSS; 1 = Open or Pull−up to 3.3 V)
Accuracy (all codes)
Measure VFB = COMP
± 1.0
%
VID3
VID2
VID1
VID0
1
1
1
1
1.287
1.300
1.313
V
1
1
1
0
1.337
1.350
1.364
V
1
1
0
1
1.386
1.400
1.414
V
1
1
0
0
1.436
1.450
1.465
V
1
0
1
1
1.485
1.500
1.515
V
1
0
1
0
1.535
1.550
1.566
V
1
0
0
1
1.584
1.600
1.616
V
1
0
0
0
1.634
1.650
1.667
V
0
1
1
1
1.683
1.700
1.717
V
0
1
1
0
1.733
1.750
1.768
V
0
1
0
1
1.782
1.800
1.818
V
0
1
0
0
Not Allowed
V
0
0
1
1
Not Allowed


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