Electrical Characteristics: -40˚C < T
A
< 85˚C; -40˚C < T
J
< 125˚C; 3V < V
C
< 15V; 4.7V < V
CC
< 15V; Rt=12K, Ct=390pF
Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CS51221
s
Start/Stop Voltages
Start Threshold
Stop Threshold
Hysteresis
I
CC
@ Startup
s
Supply Current
I
CC
Operating
I
C
Operating
I
C
Operating
s
Reference Voltage
Total Accuracy
Line Regulation
Load Regulation
Noise Voltage
Op Life Shift
Fault Voltage
V
REF(OK)
Voltage
V
REF(OK)
Hysteresis
Current Limit
s
Error Amp
Reference Voltage
V
FB
Input Current
Open Loop Gain
Unity Gain Bandwidth
COMP Sink Current
COMP Source Current
COMP High Voltage
COMP Low Voltage
PSRR
SS Clamp, V
COMP
COMP Max Clamp
V
FB
= COMP
V
FB
= 1.2V
(Note 1)
(Note 1)
COMP = 1.4V, V
FB
= 1.45V
COMP = 1.4V, V
FB
= 1.15V
V
FB
= 1.15V
V
FB
= 1.45V
Freq = 120Hz (Note 1)
SS = 1.4V, V
FB
= 0V, I
SET
= 2V
Note 1
60
1.5
3
1
2.8
75
60
1.3
1.7
12
1.6
3.1
125
85
1.4
1.8
1.5
1.9
32
2.0
3.4
300
1.234
1.263
1.3
1.285
2
V
µA
dB
MHz
mA
mA
V
mV
dB
V
V
0mA < I
REF
< 2mA
10Hz < F < 10kHz (Note 1)
T = 1000Hrs. (Note 1)
2.8
2.9
30
2
0mA < I
REF
< 2mA
3.2
3.3
6
6
50
4
2.95
3.05
100
40
20
3.1
3.2
150
100
3.4
20
15
V
mV
mV
µV
mV
V
V
mV
mA
1nF Load on GATE
No switching
9.5
12
2
14
18
4
mA
mA
mA
4.4
3.2
400
4.6
3.8
850
38
4.7
4.1
1400
75
V
V
mV
µA
Start - Stop
V
CC
< UVL Start Threshold
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
