CS5166
Electrical Characteristics: 0˚C < T
A
< 70˚C; 0˚C < T
J
< 125˚C; 8V < V
CC
< 14V; 2.0V DAC Code
(V
ID4
= V
ID3
= V
ID2
= V
ID1
=0, V
ID0
= 1), C
GATE(H
) = C
GATE(L)
= 3.3nF, C
OFF
= 330pF, C
SS
= 0.1µF; Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
V
CC
Supply Current
Operating
1V<V
FB
<V
DAC
(Max On-Time),
No Loads on GATE(H) and GATE(L)
s
V
CC
Monitor
Start Threshold
Stop Threshold
Hysteresis
s
Error Amplifier
V
FB
Bias Current
COMP Source Current
COMP CLAMP Voltage
COMP Clamp Current
COMP Sink Current
Open Loop Gain
Unity Gain Bandwidth
PSRR @ 1kHZ
s
GATE(H) and GATE(L)
High Voltage at 100mA
Low Voltage at 100mA
Rise Time
Fall Time
GATE(H) to GATE(L) Delay
GATE(L) to GATE(H) Delay
GATE pull-down
s
Over Current Detection
Current limit voltage
I
SENSE
Bias Current
s
Fault Protection
SS Charge Time
SS Pulse Period
SS Duty Cycle
V
FB
= 3V, V
ISENSE
= 2.8V
V
FB
= 3V, V
ISENSE
= 2.8V
(Charge Time/Period)
×
100
1.6
25
1.0
3.3
100
3.3
5.0
200
6.0
ms
ms
%
V
FB
= 0V to 3.5V
8V < V
CC
< 12V + 10%
I
SENSE
= 2.8V
13
30
50
µA
55
76
130
mV
Measure V
CC
–GATE
Measure GATE
1.6V < GATE < (V
CC
– 2.5V)
(V
CC
– 2.5V) >GATE > 1.6V
GATE(H)<2V, GATE(L)>2V
GATE(L)<2V, GATE(H)>2V
Resistance to PGnd (Note 1)
30
30
20
1.2
1.0
40
40
65
65
50
2.0
1.5
80
80
100
100
115
V
V
ns
ns
ns
ns
kΩ
V
FB
= 0V
COMP = 1.2V to 3.6V; V
FB
= 1.9V
V
FB
= 1.9V, Adjust COMP voltage
for Comp current = 60µA
COMP = 0V
V
COMP
=1.2V; V
FB
=2.2V; V
SS
> 2.5V
Note 1
Note 1
Note 1
0.4
180
50
0.5
60
1.0
400
60
2
85
1.6
800
mA
µA
dB
MHz
dB
15
0.85
0.1
30
1.0
1.0
60
1.15
µA
µA
V
GATE(H) Switching
GATE(H) not switching
Start – Stop
3.75
3.65
3.95
3.87
80
4.15
4.05
V
V
mV
12
20
mA
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
