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CS5165H Scheda tecnica(PDF) 3 Page - ON Semiconductor

Il numero della parte CS5165H
Spiegazioni elettronici  5?묪it Synchronous CPU Buck Controller
PDF  21 Pages
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Produttore elettronici  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS5165H Scheda tecnica(HTML) 3 Page - ON Semiconductor

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CS5165H
http://onsemi.com
3
MAXIMUM RATINGS
Pin Name
Pin Symbol
VMAX
VMIN
ISOURCE
ISINK
IC Power Input
VCC
20 V
−0.3 V
N/A
1.5 A peak, 200 mA DC
Soft Start Capacitor
SS
6.0 V
−0.3 V
200 μA
10 μA
Compensation Capacitor
COMP
6.0 V
−0.3 V
10 mA
1.0 mA
Voltage Feedback Input
VFB
6.0 V
−0.3 V
10 μA
10 μA
Off−Time Capacitor
COFF
6.0 V
−0.3 V
1.0 mA
50 mA
Voltage ID DAC Inputs
VID0−VID4
6.0 V
−0.3 V
1.0 mA
10 μA
High−Side FET Driver
GATE(H)
20 V
−0.3 V
1.5 A peak, 200 mA DC
1.5 A peak, 200 mA DC
Low−Side FET Driver
GATE(L)
20 V
−0.3 V
1.5 A peak, 200 mA DC
1.5 A peak, 200 mA DC
Enable Input
ENABLE
6.0 V
−0.3 V
100 μA
1.0 mA
Power Good Output
PWRGD
6.0 V
−0.3 V
10 μA
30 mA
Power Ground
PGND
0 V
0 V
1.5 A peak, 200 mA DC
N/A
Logic Ground
LGND
0 V
0 V
100 mA
N/A
ELECTRICAL CHARACTERISTICS (0°C < TA < +70°C; 0°C < TJ < +125°C; 8.0 V < VCC < 20 V; 2.8 DAC Code:
(VID4 = VID2 = VID1 = VID0 = 1; VID3 = 0); CGATE(H) and CGATE(L) = 3.3 nF; COFF = 330 pF; CSS = 0.1 μF, unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
VCC Supply Current
Operating
1.0 V < VFB < VDAC (max on−time)
No Loads on GATE(H) and GATE(L)
−
12
20
mA
VCC Monitor
Start Threshold
GATE(H) switching
3.75
3.95
4.15
V
Stop Threshold
GATE(H) not switching
3.65
3.87
4.05
V
Hysteresis
Start−Stop
−
80
−
mV
Error Amplifier
VFB Bias Current
VFB = 0 V
−
0.1
1.0
μA
COMP Source Current
COMP = 1.2 V to 3.6 V; VFB = 2.7 V
15
30
60
μA
COMP CLAMP Voltage
VFB = 2.7 V, Adjust COMP voltage for Comp
current = 50 μA
0.85
1.0
1.15
V
COMP Clamp Current
COMP = 0 V
0.4
1.0
1.6
mA
COMP Sink Current
VCOMP = 1.2 V; VFB = 3.0 V; VSS > 2.5 V
180
400
800
μA
Open Loop Gain
Note 2
50
60
−
dB
Unity Gain Bandwidth
Note 2
0.5
2.0
−
MHz
PSRR @ 1.0 kHz
Note 2
60
85
−
dB
2. Guaranteed by design, not 100% tested in production.



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