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CS5166GDW16 Fiches technique(PDF) 3 Page - Cherry Semiconductor Corporation

No de pièce CS5166GDW16
Description  5-Bit Synchronous CPU Controller with Power-Good and Current Limit
Download  22 Pages
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Fabricant  CHERRY [Cherry Semiconductor Corporation]
Site Internet  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS5166GDW16 Fiches technique(HTML) 3 Page - Cherry Semiconductor Corporation

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Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 8V < VCC < 14V; 2.0V DAC Code
(VID4 = VID3 = VID2 = VID1 =0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 330pF, CSS= 0.1µF; Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
VCC Supply Current
Operating
1V<VFB<VDAC (Max On-Time),
No Loads on GATE(H) and GATE(L)
12
20
mA
s
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
s
Error Amplifier
VFB Bias Current
VFB = 0V
0.1
1.0
µA
COMP Source Current
COMP = 1.2V to 3.6V; VFB = 1.9V
15
30
60
µA
COMP CLAMP Voltage
VFB = 1.9V, Adjust COMP voltage
0.85
1.0
1.15
V
for Comp current = 60µA
COMP Clamp Current
COMP = 0V
0.4
1.0
1.6
mA
COMP Sink Current
VCOMP=1.2V; VFB=2.2V; VSS > 2.5V
180
400
800
µA
Open Loop Gain
Note 1
50
60
dB
Unity Gain Bandwidth
Note 1
0.5
2
MHz
PSRR @ 1kHZ
Note 1
60
85
dB
s
GATE(H) and GATE(L)
High Voltage at 100mA
Measure VCC –GATE
1.2
2.0
V
Low Voltage at 100mA
Measure GATE
1.0
1.5
V
Rise Time
1.6V < GATE < (VCC – 2.5V)
40
80
ns
Fall Time
(VCC – 2.5V) >GATE > 1.6V
40
80
ns
GATE(H) to GATE(L) Delay
GATE(H)<2V, GATE(L)>2V
30
65
100
ns
GATE(L) to GATE(H) Delay
GATE(L)<2V, GATE(H)>2V
30
65
100
ns
GATE pull-down
Resistance to PGnd (Note 1)
20
50
115
kΩ
s
Over Current Detection
Current limit voltage
VFB = 0V to 3.5V
55
76
130
mV
8V < VCC < 12V + 10%
ISENSE Bias Current
ISENSE = 2.8V
13
30
50
µA
s
Fault Protection
SS Charge Time
VFB = 3V, VISENSE = 2.8V
1.6
3.3
5.0
ms
SS Pulse Period
VFB = 3V, VISENSE = 2.8V
25
100
200
ms
SS Duty Cycle
(Charge Time/Period) × 100
1.0
3.3
6.0
%


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