TND307 ONSEMI [ON Semiconductor], TND307 Datasheet - Page 3

• Manufacturer Part Number: TND307
• Description: Graphical Data Test Circuits for the NCP1650
• Manufacturer: ONSEMI [ON Semiconductor]

V
Adjust voltage at pin 12, and read values at pins 10 & 11.
30 k
33 k
10 k
0.05 mF
0.1 mF
Re: NCP1650/D data sheet, Figure 16
47 k
Figure 7. Current Sense Amplifier Gain
Figure 11. Frequency versus C
30 k
Re: NCP1650/D data sheet, Figure 9
0–5 V
Re: NCP1650/D data sheet, Figures 12 & 13
Figure 9. Voltage Error Amplifier Gain
3
4
5
6
7
8
9
3.3 k
10 k
3
4
5
6
7
8
9
1.5 V
GND
AC Comp
Ref Filter
AC Input
FB/SD
Loop Comp
P
P
comp
max
1
1 k
V
AC Comp
Ref Filter
AC Input
FB/SD
Loop Comp
P
P
GND
V
15
comp
max
1
in
V
470 pF
15
in
C
9
6
5
7
3
4
8
14
T
C
GND
P
FB/SD
AC Input
Loop Comp
AC Comp
Ref Filter
P
T
max
comp
1
C
V
15
470 pF
Output
T
14
2
I
13
in
V
avg fltr
Ramp
Comp
ref
Output
I
2
I
V
avg fltr
avg
I
Ramp
Comp
0.1 mF
S–
ref
I
47 k
I
avg
0.1 mF
S–
C
13
10 k
16
12
10
11
T
14
16
12
10
11
Output
I
2
V
avg fltr
Ramp
Comp
T
ref
1 nF
I
15 k
avg
I
0.1 mF
S–
0 to –5 V
47 k
300
13
1 mF
Freq Cntr
1 mF
14 V
16
12
10
11
14 V
10
http://onsemi.com
1 mF
14 V
TND307
3.3 k
V
1.5 V
3
0–5 V
Re: NCP1650/D data sheet, Figures 14 & 15
3
4
5
6
7
8
9
Figure 12. Ramp Peak versus Temperature
Figure 10. Power Error Amplifier Gain
30 k
3.3 k
10 k
GND
AC Comp
Ref Filter
AC Input
FB/SD
Loop Comp
P
P
3.3 k
Re: NCP1650/D data sheet, Figure 11
Re: NCP1650/D data sheet, Figure 17
Figure 8. V
comp
max
1.5 V
1
V
15
470 pF
1 k
V
in
3
4
5
6
7
8
9
6
9
5
8
3
4
7
C
GND
AC Comp
Ref Filter
AC Input
FB/SD
Loop Comp
P
P
T
14
GND
FB/SD
P
AC Input
P
AC Comp
Ref Filter
Loop Comp
comp
max
1
ref
Output
max
comp
1
V
I
2
15
470 pF
V
avg fltr
V
Ramp
Comp
15
470 pF
in
ref
, Transient Response
in
I
avg
I
S–
47 k
13
14
16
12
10
11
C
C
T
T
14
Output
650
2
I
Output
13
V
avg fltr
I
2
Ramp
Comp
V
avg fltr
Ramp
Comp
ref
ref
I
avg
I
I
0.1 mF
S–
avg
I
0.1 mF
S–
47 k
13
16
12
10
11
16
12
10
11
0.1 mF
1 mF
1 mF
1 mF
14 V
14 V
14 V