NCP1653, NCP1653A
www.onsemi.com
9
TYPICAL CHARACTERISTICS
10% OF MAXIMUM CONTROL CURRENT (mA)
T
J
, JUNCTION TEMPERATURE (°C)
0
4
8
12
−50
0 25 50 75 100 125
−25
SUPPLY VOLTAGE UNDERVOLTAGE
LOCKOUT THRESHOLDS (V)
T
J
, JUNCTION TEMPERATURE (°C)
0
2
4
6
8
10
12
−50
0 25 50 75 100 125
−25
V
CC
= 15 V
I
stdn
V
CC(on)
V
CC(off)
I
stup
SUPPLY CURRENT IN STARTUP AND
SHUTDOWN MODE (mA)
T
J
, JUNCTION TEMPERATURE (°C)
0
10
20
30
40
50
70
−50
0 25 50 75 100 125
−25
OPERATING SUPPLY CURRENT (mA)
T
J
, JUNCTION TEMPERATURE (°C)
0
1
2
3
4
5
−50
0 25 50 75 100 12
−25
2
6
10
60
I
CC2
, 1 nF Load
I
CC1
, No Load
Figure 19. PWM Comparator Reference
Voltage vs. Temperature
Figure 20. Maximum Control Current vs.
Temperature
PWM COMPARATOR REF. VOLTAGE (V)
T
J
, JUNCTION TEMPERATURE (°C)
2
2.1
2.2
2.3
2.4
2.5
2.7
−50
0 25 50 75 100 125
−25
MAXIMUM CONTROL CURRENT (mA)
T
J
, JUNCTION TEMPERATURE (°C)
0
20
40
60
80
100
140
−50
0 25 50 75 100 125
−25
2.6
120
160
180
Figure 21. 10% of Maximum Control Current
vs. Temperature
Figure 22. Supply Voltage Undervoltage
Lockout Thresholds vs. Temperature
Figure 23. Supply Current in Startup and
Shutdown Mode vs. Temperature
Figure 24. Operating Supply Current vs.
Temperature
2.8
3
2.9
I
vac
= 30 mA
V
control
= V
control(max)
I
S
= 25 mA
I
S
= 75 mA
I
vac
= 30 mA
V
control
= 10 % V
control(max)
I
S
= 25 mA
I
S
= 75 mA
14
16
80 6
I
control
= derived from the (eq.8)
I
S
I
vac
2I
M
I
control
= derived from the (eq.8)
I
S
I
vac
2I
M
200
16
20
14
18
18
20
